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Bredig's arc method is a method of preparation of colloidal solution, of metals such as gold, silver or platinum. This method consists of both dispersion and condensation. An arc is struck between electrodes, under the surface of water containing some stabilizing agent such as traces of potassium hydroxide). The intens... | https://en.wikipedia.org/wiki?curid=31573758 |
Californium oxychloride (CfOCl) is a radioactive salt first discovered in measurable quantities in 1960. It is composed of a single californium cation and one oxychloride anion. It was the first californium compound ever isolated. | https://en.wikipedia.org/wiki?curid=31573994 |
Eisenkammer Pirna The ("Iron Chamber") was an Electoral Saxon institution with the task of distributing and allocating the iron products within its area of responsibility ("Revier"), the Pirna Iron Mining District ("Pirnaer Eisenrevier"). It was founded in 1472 and existed until 1686. It had its seat in the house "Am M... | https://en.wikipedia.org/wiki?curid=31576872 |
Eisenkammer Pirna Accordingly, all iron products from the Pirna mining district (around 300 tonnes per year in the 16th century) had to be delivered to the "Eisenkammer" for a fixed price, and the latter sold them to the Dresden arsenal, the mines, towns, and guilds. For example, the saltworks of Poserna were built in ... | https://en.wikipedia.org/wiki?curid=31576872 |
Full-parasites Full-Parasites is a transcriptome database of apicomplexa parasites. | https://en.wikipedia.org/wiki?curid=31581926 |
DNase-Seq DNase-seq (DNase I hypersensitive sites sequencing) is a method in molecular biology used to identify the location of regulatory regions, based on the genome-wide sequencing of regions sensitive to cleavage by DNase I. FAIRE-Seq is a successor of DNase-seq for the genome-wide identification of accessible DNA ... | https://en.wikipedia.org/wiki?curid=31582317 |
Dry basis is an expression of the calculation in chemistry, chemical engineering and related subjects, in which the presence of water (and/or other solvents) is neglected for the purposes of the calculation. Water (and/or other solvents) is neglected because addition and removal of water (and/or other solvents) are com... | https://en.wikipedia.org/wiki?curid=31582581 |
IL-10 family The IL10 family is a family of interleukins. In addition to IL-10, it includes IL-19, IL-20, IL-22, IL-24 and IL-26. Some sources also include the interferons IL-28 and IL-29. | https://en.wikipedia.org/wiki?curid=31584032 |
Industrial catalysts The first time a catalyst was used in the industry was in 1746 by J. Hughes in the manufacture of lead chamber sulfuric acid. Since then catalysts have been in use in a large portion of the chemical industry. In the start only pure components were used as catalysts, but after the year 1900 multicom... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts These fields can be: organic chemistry, analytic chemistry, inorganic chemistry, chemical engineers and surface chemistry. The economics must also be taken into account. One of the issues that must be considered is if the company should use money on doing the catalyst research themselves or buy the... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts 1 kJ/mol and have an adiabatic temperature rise of 8–10 °C per percent CO converted to CO and H. The most common catalysts used in the water-gas shift reaction are the high temperature shift (HTS) catalyst and the low temperature shift (LTS) catalyst. The HTS catalyst consists of iron oxide stabili... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts When preparing this catalyst, one of the most important step is washing to remove sulfate that can turn into hydrogen sulfide and poison the LTS catalyst later in the process. Chromium is added to the catalyst to stabilize the catalyst activity over time and to delay sintering of iron oxide. Sinter... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts The redox mechanism is given below: First a CO molecule reduces an O molecule, yielding CO and a vacant surface center: The vacant side is then reoxidized by water, and the oxide center is regenerated: The adsorptive mechanism assumes that format species is produced when an adsorbed CO molecule rea... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts The first mechanism that was proposed for the LTS reaction was a redox mechanism, but later evidence showed that the reaction can proceed via associated intermediates. The different intermediates that is suggested are: HOCO, HCO and HCOO. In 2009 there are in total three mechanisms that are propose... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts This can be done in different ways from a variety of carbon sources such as: Both the reactions shown above are highly endothermic and can be coupled to an exothermic partial oxidation. The products of CO and H are known as syngas. When dealing with a catalyst and CO, it is common to assume that th... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts The latter effect is due to charge depletion of the CO 5σ bonding and charge increase of the CO 2π* antibonding orbital. When looking at chemical surfaces, many researchers seems to agree on that the surface of the Cu/AlO/ZnO is most similar to the Cu(111) surface. Since copper is the main catalyst... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts The most effective catalysts for methanol synthesis are Cu, Ni, Pd and Pt, while the most common metals used for support are Al and Si. In 1966 ICI (Imperial Chemical Industries) developed a process that is still in use today. The process is a low-pressure process that uses a Cu/ZnO/AlO catalyst wh... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts For a copper-based catalyst two different reaction mechanisms have been proposed, a decomposition-water-gas shift sequence and a mechanism that proceeds via methanol dehydrogenation to methyl formate. The first mechanism aims at methanol decomposition followed by the WGS reaction and has been propo... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts The reaction is given below, and is often carried out with air or oxygen as oxidant : The reaction is exothermic and has, under favorable conditions, a higher reaction rate than steam reforming. The catalyst used is often Cu (Cu/ZnO) or Pd and they differ in qualities such as by-product formation, ... | https://en.wikipedia.org/wiki?curid=31585964 |
Industrial catalysts The catalyst the industry use is a promoted iron catalyst, where the promoters can be KO (potassium oxide), AlO (aluminium oxide) and CaO (calcium oxide) and the basic catalytic material is Fe. The most common is to use fixed bed reactors for the synthesis catalyst. The main ammonia reaction is giv... | https://en.wikipedia.org/wiki?curid=31585964 |
Chromate ester A chromate ester is a chemical structure that contains a chromium atom (symbol Cr) in a +6 oxidation state that is connected via an oxygen (O) linkage to a carbon (C) atom. The Cr itself is in its chromate form, with several oxygens attached, and the Cr–O–C attachment makes this chemical group structural... | https://en.wikipedia.org/wiki?curid=31589045 |
GIS in environmental contamination is the use of GIS software in mapping out the contaminants in soil and water using the spatial interpolation tools from GIS. Spatial interpolation allows for more efficient approach to remediation and monitoring of soil and water contaminants. Soil and water contamination by metals an... | https://en.wikipedia.org/wiki?curid=31590182 |
GIS in environmental contamination In Idrija, Slovenia, where the world’s second largest mercury (Hg) mine operated has a significant amount of Hg emissions into the atmosphere by a surface process of adsorption of Hg from and to soil particles surfaces, which results in a diffusion of Hg through the pores of soil. To ... | https://en.wikipedia.org/wiki?curid=31590182 |
GIS in environmental contamination The parameters that are taken into consideration when calculating the vulnerability of aquifers to contamination are: depth to water (factor d), net recharge (factor r), aquifer media (factor a), soil media (factor s), topography (factor t), impact of the vadose zone (factor i), and t... | https://en.wikipedia.org/wiki?curid=31590182 |
Surface acoustic wave sensor Surface acoustic wave sensors are a class of microelectromechanical systems (MEMS) which rely on the modulation of surface acoustic waves to sense a physical phenomenon. The sensor transduces an input electrical signal into a mechanical wave which, unlike an electrical signal, can be easily... | https://en.wikipedia.org/wiki?curid=31591503 |
Surface acoustic wave sensor As a result, the direction of the electric field between two fingers will alternate between adjacent sets of fingers. This creates alternating regions of tensile and compressive strain between fingers of the electrode by the piezoelectric effect, producing a mechanical wave at the surface k... | https://en.wikipedia.org/wiki?curid=31591503 |
Surface acoustic wave sensor As the characteristics of the surface acoustic wave can be modified by changes in the surface properties of the device substrate, sensors can be designed to quantify any phenomenon which alters these properties. Typically, this is accomplished by the addition of mass to the surface or chang... | https://en.wikipedia.org/wiki?curid=31591503 |
Surface acoustic wave sensor Strain and torque work in a similar manner, as application to the sensor will cause a deformation of the piezoelectric substrate. A surface acoustic wave temperature sensor can be fashioned from a piezoelectric substrate with a relatively high coefficient of thermal expansion in the directi... | https://en.wikipedia.org/wiki?curid=31591503 |
Surface acoustic wave sensor Some extended functionality examples are listed below: Chemical vapor sensors use the application of a thin film polymer across the delay line which selectively absorbs the gas or gases of interest. An array of such sensors with different polymeric coatings can be used to sense a large rang... | https://en.wikipedia.org/wiki?curid=31591503 |
Surface acoustic wave sensor When exposed to ultraviolet radiation, zinc oxide generates charge carriers which interact with the electric fields produced in the piezoelectric substrate by the traveling surface acoustic wave. This interaction produces measurable decreases in both the velocity and amplitude of the acoust... | https://en.wikipedia.org/wiki?curid=31591503 |
Hexaferrum and epsilon iron (ε-Fe) are synonyms for the hexagonal close-packed (HCP) phase of iron that is stable only at extremely high pressure. Takahashi and Bassett at the University of Rochester mixed 99.8% pure α-iron powder with sodium chloride, and pressed a 0.5-mm diameter pellet between the flat faces of two ... | https://en.wikipedia.org/wiki?curid=31595206 |
Hexaferrum The pressure and temperature of Earth's iron core are on the order of 1500–3500 kbar and 3000 ± 1000 °C. An extrapolation of the austenite-hexaferrum phase boundary in Figure 1 suggests hexaferrum might be stable or metastable in Earth’s core. For this reason, many experimental studies have investigated the ... | https://en.wikipedia.org/wiki?curid=31595206 |
Safe handling of carcinogens The safe handling of carcinogens is the handling of cancer causing substances in a safe and responsible manner. Carcinogens are defined as 'a substance or agent that can cause cells to become cancerous by altering their genetic structure so that they multiply continuously and become maligna... | https://en.wikipedia.org/wiki?curid=31596352 |
Safe handling of carcinogens As many carcinogens have a chronic effect and symptoms may only appear after repeated long term exposure, making symptoms and exposure hard to monitor. Section 9.2 of the Australian National Code of Practice for the Control of Scheduled Carcinogenic Substances, [NOHSC:2014( It also protects... | https://en.wikipedia.org/wiki?curid=31596352 |
Safe handling of carcinogens Special care must be taken when using single exposure carcinogens such as polycyclic aromatic hydrocarbons. All surfaces where carcinogens are used must be of a suitable material, e.g.: stainless steel, plastic trays or absorbent plastic backed paper. Correct signs must be placed outside of... | https://en.wikipedia.org/wiki?curid=31596352 |
Safe handling of carcinogens Limit access to carcinogens, keep containers and amounts used as small as possible, double containers and chemical resistant trays. Store in a designated area with the appropriate hazard signs and ventilation if required. The carcinogens should be stored in a separate area to flammable soli... | https://en.wikipedia.org/wiki?curid=31596352 |
Safe handling of carcinogens All waste materials and contaminated PPE must be disposed of in hazardous waste bins. All equipment used must be decontaminated before removing them from the designated area. | https://en.wikipedia.org/wiki?curid=31596352 |
Chromyl fluoride is an inorganic compound with the formula CrOF. It is a violet-red colored crystalline solid that melts to an orange-red liquid. The liquid and gaseous CrOF have a tetrahedral geometry with C symmetry, much like chromyl chloride. dimerizes via fluoride bridges (as OCr(μ-F)CrO) in the solid state, cryst... | https://en.wikipedia.org/wiki?curid=31596620 |
Chromyl fluoride The approach published by Georg Brauer in the "Handbook of Preparative Inorganic Chemistry" drew on von Wartenberg's approach of direct fluoridation: Other methods include treatment with chlorine fluoride, carbonyl fluoride, or some metal hexafluorides: The last method involving the fluorides of tungst... | https://en.wikipedia.org/wiki?curid=31596620 |
Lithium methoxide is a compound with formula LiCHO. It is the lithium salt of methanol. Unlike the lithium alkoxides derived from the heavier alcohols, lithium methoxide is largely ionic in its bonding. Its solubility in common polar aprotic solvents like THF is low; however, it is soluble in methanol and is available ... | https://en.wikipedia.org/wiki?curid=31598391 |
Brus equation The can be used to describe the emission energy of quantum dot semiconductor nanocrystals (such as CdSe nanocrystals) in terms of the band gap energy "E", Planck's constant "h", the radius of the quantum dot "r", as well as the effective mass of the excited electron "m"* and of the excited hole "m"*. The ... | https://en.wikipedia.org/wiki?curid=31601451 |
Enzyme Function Initiative The (EFI) is a large-scale collaborative project aiming to develop and disseminate a robust strategy to determine enzyme function through an integrated sequence–structure-based approach. The project was funded in May 2010 by the National Institute of General Medical Sciences as a Glue Grant w... | https://en.wikipedia.org/wiki?curid=31601913 |
Enzyme Function Initiative The biological community's ability to characterize newly discovered proteins has been outstripped by the rate of genome sequencing, and the task of assigning function is now considered the rate-limiting step in understanding biological systems in detail. The EFI is developing an integrated se... | https://en.wikipedia.org/wiki?curid=31601913 |
Enzyme Function Initiative In addition, the Anaerobic Enzymology Pilot Project was added in 2014 to explore the Radical SAM superfamily and Glycyl Radical Enzyme superfamily. The bioinformatics core contributes bioinformatic analysis by collecting and curating complete sequence data sets, generating sequence similarity... | https://en.wikipedia.org/wiki?curid=31601913 |
Enzyme Function Initiative The Haloacid dehydrogenase superfamily contains evolutionarily related enzymes with a Rossmanoid α/β fold with an inserted "cap" region which primarily catalyze metal-assisted nucleophilic catalysis, most frequently resulting in phosphoryl group transfer. The isoprenoid synthase (I) superfami... | https://en.wikipedia.org/wiki?curid=31601913 |
Enzyme Function Initiative The EFI now offers access to two high-throughput docking tools, a web tool for comparing protein sequences within entire protein families, and a web tool for composing a genome context inventory based on a protein sequence similarity network. Additionally, as the strategy is developed, data a... | https://en.wikipedia.org/wiki?curid=31601913 |
Presidents of the American Chemical Society Presidents of the American Chemical Society: | https://en.wikipedia.org/wiki?curid=31602537 |
Di-(2-ethylhexyl)phosphoric acid (DEHPA or HDEHP) is an organophosphorus compound with the formula (CHO)POH. The colorless liquid is a diester of phosphoric acid and 2-ethylhexanol. It is used in the solvent extraction of uranium, as well as the rare-earth metals. DEHPA is prepared through the reaction of phosphorus pe... | https://en.wikipedia.org/wiki?curid=31605902 |
Di-(2-ethylhexyl)phosphoric acid The extractive capabilities of DEHPA can be increased through synergistic effects by the addition of other organophosphorus compounds. Tributyl phosphate is often used, as well as dibutyl-, diamyl-, and dihexylphosphonates. The synergistic effects are thought to occur by the addition of... | https://en.wikipedia.org/wiki?curid=31605902 |
Carbazide In chemistry, a carbazide is a functional group with the general formula RNH-NH(C=O)NH-NHR. They can be derived from the condensation of carbonic acid with a hydrazine. Carbohydrazide is the simplest carbazide, with another common carbazide being diphenylcarbazide, which is used as an analytical reagent. Diph... | https://en.wikipedia.org/wiki?curid=31610704 |
Yeast promoter atlas The Yeast Promoter Atlas (YPA) is a repository of promoter features in Saccharomyces cerevisiae. | https://en.wikipedia.org/wiki?curid=31612811 |
List of reagents This is a list of inorganic and organic reagents commonly used in chemistry. Reagents are "substances or compounds that are added to a system in order to bring about a chemical reaction or are added to see if a reaction occurs." Some reagents are just a single element. However, most processes require r... | https://en.wikipedia.org/wiki?curid=31613741 |
History of pharmacy can be divided into two sub classes. i.e. Pre-History & Written History The history of pharmacy as an independent science dates back to the first third of the 19th century. Before then, pharmacy evolved from antiquity as part of medicine. Paleopharmacological studies attest to the use of medicinal p... | https://en.wikipedia.org/wiki?curid=31614353 |
History of pharmacy The earliest known Chinese manual on materia medica is the "Shennong Bencao Jing" ("The Divine Farmer's Herb-Root Classic"), dating back to the 1st century AD. It was compiled during the Han dynasty and was attributed to the mythical Shennong. Earlier literature included lists of prescriptions for s... | https://en.wikipedia.org/wiki?curid=31614353 |
History of pharmacy In the Imperial household, the pharmacist was even ranked above the two personal physicians of the Emperor. In Baghdad the first pharmacies, or drug stores, were established in 754, under the Abbasid Caliphate during the Islamic Golden Age. By the 9th century, these pharmacies were state-regulated. ... | https://en.wikipedia.org/wiki?curid=31614353 |
History of pharmacy Of great impact were also the works by al-Maridini of Baghdad and Cairo, and Ibn al-Wafid (1008–1074), both of which were printed in Latin more than fifty times, appearing as "De Medicinis universalibus et particularibus" by `Mesue' the younger, and the "Medicamentis simplicibus" by `Abenguefit'. Pe... | https://en.wikipedia.org/wiki?curid=31614353 |
History of pharmacy In medieval Europe, monks typically did not speak Greek, leaving only Latin texts such as the works of Pliny available until these translations by Constantinos. In addition, Arabic medicine became more widely known due to Muslim Spain. In the 15th century, the printing press spread medicinal textboo... | https://en.wikipedia.org/wiki?curid=31614353 |
History of pharmacy By the late 1880s, German dye manufacturers had perfected the purification of individual organic compounds from tar and other mineral sources and had also established rudimentary methods in organic chemical synthesis. Chloral hydrate was introduced as a sleeping aid and sedative in 1869. Chloroform ... | https://en.wikipedia.org/wiki?curid=31614353 |
Biomimetic antifouling coating Biomimetic antifouling coatings are special coatings that prevent the accumulation of marine organisms on a surface. Typical antifouling coatings are not biomimetic but are based on synthetic chemical compounds that can have deleterious effects on the environment. Prime examples are tribu... | https://en.wikipedia.org/wiki?curid=31615192 |
Biomimetic antifouling coating Natural biocides are typically divided into two categories: terpenes (often containing unsaturated ligand groups and electronegative oxygen functional groups) and nonterpenes. Various tannins (nonterpene), naturally synthesized by a variety of plants, are effective biocides when combined ... | https://en.wikipedia.org/wiki?curid=31615192 |
Biomimetic antifouling coating One class of biomimetic antifouling coatings is inspired by the surface of shark skin, which consists of nanoscale overlapping plates that exhibit parallel ridges that effectively prevent sharks from becoming fouled even when moving at slow speeds. The antifouling qualities of the shark s... | https://en.wikipedia.org/wiki?curid=31615192 |
Biomimetic antifouling coating Biomimetic antifouling coatings are highly lucrative because of their low environmental impact and demonstrated success. Some properties of a biomimetic antifouling coating can be predicted from the contact angles obtained from the Wenzel equation, and the calculated ERI. Natural material... | https://en.wikipedia.org/wiki?curid=31615192 |
C19H29NO The molecular formula CHNO may refer to: | https://en.wikipedia.org/wiki?curid=31620180 |
Sulfur trifluoride is an inorganic chemical compound composed of one atom of sulfur and three atoms of fluorine. It has the chemical formula SF, and is 64% fluorine and 36% sulfur by mass. is not a stable molecule: it has an unpaired electron and is thus a radical. While some radicals are stable, SF is not. is composed... | https://en.wikipedia.org/wiki?curid=31621439 |
Hemithioacetal is an organic functional group with the general formula RCH(OH)SR. They are also called thiohemiacetal. With four substituents on carbon, hemithioacetals are chiral. A related functional group are dithiohemiacetal, with the formula RCH(SH)SR. Although they can be important intermediates, hemithioacetals ... | https://en.wikipedia.org/wiki?curid=31627702 |
Hemithioacetal The catalytic mechanism involves an intermediate hemithioacetal adduct [RCOCH(OH)-SG]. The spontaneous reaction forms methylglyoxal-glutathione hemithioacetal and human glyoxalse I. A hemithioacetal is also invoked in the mechanism of prenylcysteine lyase. In catalytic mechanism, S-farnesylcysteine is ox... | https://en.wikipedia.org/wiki?curid=31627702 |
Phage-ligand technology The is a technology to detect, bind and remove bacteria and bacterial toxins by using highly specific bacteriophage derived proteins. The host recognition of bacteriophages occur via bacteria-binding proteins that have strong binding affinities to specific protein or carbohydrate structures on t... | https://en.wikipedia.org/wiki?curid=31629357 |
Tellurol Tellurols are analogues of alcohols and phenols where tellurium replaces oxygen. Tellurols, selenols, and thiols have similar properties, but tellurols are the least stable. Although they are fundamental representatives of organotellurium compounds, tellurols are lightly studied because of their instability. d... | https://en.wikipedia.org/wiki?curid=31629987 |
Gas networks simulation or Gas Pipeline Simulation is a process of defining the mathematical model of gas transmission and gas distribution systems, which are usually composed of highly integrated pipe networks operating over a wide range of pressures. Simulation allows to predict the behaviour of gas network systems u... | https://en.wikipedia.org/wiki?curid=31631104 |
Gas networks simulation These loads may be positive, negative or zero. A negative load represents a demand for gas from the network. This may consist in supplying domestic or commercial consumers, filling gas storage holders, or even accounting for leakage in the network. A positive load represents a supply of gas to t... | https://en.wikipedia.org/wiki?curid=31631104 |
Gas networks simulation The solutions of problems involving gas network computation of any topology requires such a representation of the network to be found which enables the calculations to be performed in the most simple way. These requirements are met by the graph theory which permits representation of the network ... | https://en.wikipedia.org/wiki?curid=31631104 |
Gas networks simulation There are many methods of analyzing the mathematical models of gas networks but they can be divided into two types as the networks, the solvers for low pressure networks and solvers for high pressure networks. The networks equations are nonlinear and are generally solved by some of Newton iterat... | https://en.wikipedia.org/wiki?curid=31631104 |
Gas networks simulation More efficient method for large networks is the forest method and its computational time is proportional to n*logn. The loops that are produced from the spanning tree are not the best set that could be produced. There is often significant overlap between loops with some pipes shared between seve... | https://en.wikipedia.org/wiki?curid=31631104 |
Gas networks simulation This new approach is a computational method which helps in producing faster results, and when the modelling of NG networks is coupled with other energy systems for example the Electrical Network faster and less computational demanding results are of key importance. The importance of the mathemat... | https://en.wikipedia.org/wiki?curid=31631104 |
C19H21N3O The molecular formula CHNO may refer to: | https://en.wikipedia.org/wiki?curid=31631440 |
Sulfur chloride pentafluoride is an inorganic compound with the formula . It exists as a colorless gas at room temperature and is highly toxic, like most inorganic compounds containing the pentafluorosulfide (SF) functional group. The compound adopts an octahedral geometry with symmetry. is the only commercially availa... | https://en.wikipedia.org/wiki?curid=31635355 |
Food Chemistry (journal) Food Chemistry is a peer-reviewed scientific journal. It was established in 1976 and is published 24 times a year by Elsevier. | https://en.wikipedia.org/wiki?curid=31635679 |
Titanium Institute The State Titanium Research and Design Institute is an institute that designs non-ferrous metallurgy works and produces materials used in the manufacture of semiconductors and carbon-graphite materials within Ukraine. Institute placed in Zaporozhye. Around 500 people work at the Institute. | https://en.wikipedia.org/wiki?curid=31635968 |
KaPPA-View4 KaPPA-View4' is a metabolic pathway database containing data about metabolic regulation from 'omics' data. | https://en.wikipedia.org/wiki?curid=31638460 |
Picramic acid Picramic acid, also known as 2-amino-4,6-dinitrophenol, is an acid obtained by neutralizing an alcoholic solution of picric acid with ammonium hydroxide. Hydrogen sulfide is then added to the resulting solution, which turns red, yielding sulfur and red crystals. These are the ammonium salts of picramic ac... | https://en.wikipedia.org/wiki?curid=31639683 |
Ferric ammonium oxalate is the ammonium salt of the anionic trisoxalato coordination complex of iron(III). It is a precursor to iron oxides, diverse coordination polymers, and Prussian Blue. The latter behavior is relevant to the manufacture of blueprint paper. | https://en.wikipedia.org/wiki?curid=31640130 |
Pathway commons Pathway Commons is a database of biological pathways and interactions. | https://en.wikipedia.org/wiki?curid=31644748 |
Actinium(III) oxide is a chemical compound containing the rare radioactive element actinium. It has the formula AcO. It is similar to its corresponding lanthanum compound, lanthanum(III) oxide, and contains actinium in the oxidation state +3. Actinium oxide is not to be confused with AcO (acetic anhydride), where Ac is... | https://en.wikipedia.org/wiki?curid=31645842 |
Protactinium(V) oxide is a chemical compound with the formula PaO. When it is reduced with hydrogen, it forms PaO. Aristid V. Grosse was first to prepare 2 mg of PaO in 1927. PaO does not dissolve in concentrated HNO, but dissolves in HF and in a HF + HSO mixture and reacts at high temperatures with solid oxides of alk... | https://en.wikipedia.org/wiki?curid=31651991 |
C6H4N2O2 The molecular formula CHNO may refer to: | https://en.wikipedia.org/wiki?curid=31657554 |
Kepert model The is a modification of VSEPR theory used to predict the 3-dimensional structures of transitional metal complexes. In the Kepert model, the ligands attached to the metal are considered to repel each other the same way that point charges repel each other in VSEPR theory. Unlike VSEPR theory, the does not a... | https://en.wikipedia.org/wiki?curid=31662097 |
C14H14 The molecular formula CH may refer to: | https://en.wikipedia.org/wiki?curid=31674710 |
Oddy test The is a procedure created at the British Museum by conservation scientist William Andrew Oddy in 1973, in order to test materials for safety in and around art objects. Often, materials for construction and museum contexts (including artefact conservation) are evaluated for safety. However, though materials m... | https://en.wikipedia.org/wiki?curid=31676594 |
Oddy test The has gone through many changes and refinements over time. Whereas Andrew Oddy proposed to place each metal coupon in a separate glass container with the material to be tested, Bamberger et al. proposed a "three-in-one" test, where all three metal coupons shared one container, simplifying the procedure. Rob... | https://en.wikipedia.org/wiki?curid=31676594 |
California Green Chemistry Initiative The (CGCI) is a six-part initiative to reduce public and environmental exposure to toxins through improved knowledge and regulation of chemicals; two parts became statute in 2008. The other four parts were not passed, but are still on the agenda of the California Department of Toxi... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative The Office of Pollution Prevention and Toxics (OPPT), created under the United States Pollution Prevention Act of 1990, promotes the use of chemistry for pollution prevention through voluntary, non-regulatory ' partnerships with academia, industry, other government agencies, and no... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative The law established an advisory panel of scientists, known as the green ribbon science panel, to guide research in chemical policy, create regulations for assessing alternatives, and set up an internet database of research on toxins. SB 509 was designed to ensure that information r... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative They are most concerned with the change to require the state to prove that a chemical is harmful before being regulated, mirroring what is currently required at the Federal level by TSCA. The original draft advocated a precautionary principle, or “cradle-to-cradle” approach. Enviro... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative RCRA has been largely ineffective because its emphasis is on dealing with waste after it has been created; meanwhile emphasis on waste reduction is minimal. Waste does not disappear, it is simply transported elsewhere. Costly and burdensome hazardous waste disposal in the US has en... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative Under the current cycle of production, toxic chemical byproducts will continue to be produced and unleashed on our environment. It is important to carefully consider how toxic wastes are created in order to forgo the possibility of a world that is unsuitable for human life. One of ... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative Perhaps given more information, the same brand of apple juice would be less desirable if information on unhealthy preservatives, additives or pesticide residues was easily obtained. To make market transactions more efficient, the government could force more accurate labeling about ... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative And like most industries with pollution problems, chemical manufacturers oppose meddlesome government regulations that make it more difficult and expensive for them to do business. So do most Republicans, which is why this industry gives nearly three-fourths of its campaign contrib... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative According to "Safer Chemicals, Healthy Families," a broad coalition of groups, including major environmental organizations like the Natural Resources Defense Council and the Environmental Defense Fund, health organizations like the Learning Disabilities Association, Breast Cancer F... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative AB 1879, written by Assemblyman Mike Feur, a Los Angeles Democrat, requires the state Department of Toxic Substances Control to assess chemicals and prioritize the most toxic for possible restrictions or bans. The environmental policy council, made up of heads of all state environm... | https://en.wikipedia.org/wiki?curid=31677000 |
California Green Chemistry Initiative Meanwhile, large trade associations such as Consumer Specialty Products Association, Western States Petroleum Association, American Chemistry Council, CA Manufacturers and Technology Association, and CA Chamber of Commerce officially withdrew opposition to the measures. Due to outd... | https://en.wikipedia.org/wiki?curid=31677000 |
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