Cadmium acetate chloride

Cadmium chloride also may be prepared by adding dry cadmium acetate to acetyl chloride in glacial acetic acid. 

Various experimental conditions required for CBD on ITO and Sn02 substrates have been identified [337-343]. The chemical bath was based on ammonium acetate (0.5-10 M), ammonium hydroxide (1-6%), cadmium acetate or cadmium chloride (0.1-10 M), and thiourea (0.1-10" M), containing different concentrations and types heteropolyacids (10" -10" M). The deposition temperature varied from 50 to 95 °C and the deposition time from 10 minutes to 6 hours. The electrode surface area was 8cml The annealing temperature was varied from 200 to 500 C. The effect of the heteropolyacid on the morphology and the chemical composition of the films and on the CdS/CdTe heteroj unction parameters FF. t ) was... 

Other gases are absorbed and determined by volumetric methods only in special cases. A solution of palladium(II) chloride or colloidal palladium and picric acid absorbs hydrogen, a solution of potassium dichromate is used for sulfur dioxide, and a solution of cadmium acetate or alkaline solution of hydrogen peroxide for hydrogen sulfide. 

Cadmium is a transition metal in group IIB of the periodic table of elements. The metal is bluish-white to silver-white. At room temperature, it has a hexagonal close-packed crystal structure. Eight stable isotopes are known to be present in natui . The atomic weight of cadmium is 112.4 and the atomic number 48. The density at 25°C is 8.6 g/cm the melting point 321°C and the boiling point 765°C. The most common oxidation state is +2. " The most important compounds are cadmium acetate, cadmium sulfide, cadmium sulfoselenide, cadmium stearate, cadmium oxide, cadmium carbonate, cadmium sulfate, and cadmium chloride. The acetate, chloride, and sulfate are soluble in water, whereas the oxide and sulfide are almost insoluble. ... 

Recently Revaparasadu and co-workers who synthesized CdTe by a hybrid solution based high temperature route.Briefly, the method involves the addition of an aqueous suspension or solution of a cadmium salt (chloride, acetate, nitrate or carbonate) was to a freshly prepared NaHTe solution. The isolated bulk CdTe was then dispersed in tri-octyl-phosphine (TOP) and injected into pre-heated HDA at temperatures of 190, 230 and 270 °C for 2h. The as prepared CdTe nanoparticles were then isolated by the addition of methanol, followed by centrifugation and finally... 

The reaction of acetophenone oxime with acetylene (100°C, 3 h) is well catalyzed by all alkali metal hydroxides (taken in 10%-30% from the oxime weight), but Ca(OH)2 is inactive nnder these conditions [160]. Tetrabutylammonium hydroxide exerts weak catalytic action on the reaction only at harsher conditions (120 C). Potassium, zinc, and cadmium acetates as well as zinc, copper (I and II), and cobalt chlorides do not show catalytic activity in this reaction (starting acetophenone oxime is recovered almost completely [160]), though several cations of the aforementioned salts are known [95,162] to be catalysts of direct vinylation of NH-heterocycles with acetylene. 

Carbonate is measured by evolution of carbon dioxide on treating the sample with sulfuric acid. The gas train should iaclude a silver acetate absorber to remove hydrogen sulfide, a magnesium perchlorate drying unit, and a CO2-absorption bulb. Sulfide is determined by distilling hydrogen sulfide from an acidified slurry of the sample iato an ammoniacal cadmium chloride solution, and titrating the precipitated cadmium sulfide iodimetrically. 

Dilead hexacyanokisferrate [14402-61 -0] Pb2[Fe(CN)g], is a white precipitate that forms when lead acetate is added to Ca2[Fe(CN)g]. It is insoluble in water or dilute acids but is soluble in hot ammonium chloride or ammonium succinate solutions. It has been used as a quaUtative analytical reagent in tests for cadmium and chromate. 

Rubidium metal alloys with the other alkaU metals, the alkaline-earth metals, antimony, bismuth, gold, and mercury. Rubidium forms double haUde salts with antimony, bismuth, cadmium, cobalt, copper, iron, lead, manganese, mercury, nickel, thorium, and 2iac. These complexes are generally water iasoluble and not hygroscopic. The soluble mbidium compounds are acetate, bromide, carbonate, chloride, chromate, fluoride, formate, hydroxide, iodide. 

The cadmium chalcogenide semiconductors (qv) have found numerous appHcations ranging from rectifiers to photoconductive detectors in smoke alarms. Many Cd compounds, eg, sulfide, tungstate, selenide, teUuride, and oxide, are used as phosphors in luminescent screens and scintiUation counters. Glass colored with cadmium sulfoselenides is used as a color filter in spectroscopy and has recently attracted attention as a third-order, nonlinear optical switching material (see Nonlinear optical materials). DiaLkylcadmium compounds are polymerization catalysts for production of poly(vinyl chloride) (PVC), poly(vinyl acetate) (PVA), and poly(methyl methacrylate) (PMMA). Mixed with TiCl, they catalyze the polymerization of ethylene and propylene. 

Zinc chloride is a Lewis acid catalyst that promotes cellulose esterification. However, because of the large quantities required, this type of catalyst would be uneconomical for commercial use. Other compounds such as titanium alkoxides, eg, tetrabutoxytitanium (80), sulfate salts containing cadmium, aluminum, and ammonium ions (81), sulfamic acid, and ammonium sulfate (82) have been reported as catalysts for cellulose acetate production. In general, they require reaction temperatures above 50°C for complete esterification. Relatively small amounts (<0.5%) of sulfuric acid combined with phosphoric acid (83), sulfonic acids, eg, methanesulfonic, or alkyl phosphites (84) have been reported as good acetylation catalysts, especially at reaction temperatures above 90°C. 

Dimethyl ketals and enol ethers are stable to the conditions of oxime formation (hydroxylamine acetate or hydroxylamine hydrochloride-pyridine). Thioketals and hemithioketals are cleaved to the parent ketones by cadmium carbonate and mercuric chloride. Desulfurization of thioketals with Raney nickel leads to the corresponding methylene compounds, while thioenol ethers give the corresponding olefin. In contrast, desulfurization of hemithioketals regenerates the parent ketone. ... 

Codeposition of silver vapor with perfluoroalkyl iodides at -196 °C provides an alternative route to nonsolvated primary perfluoroalkylsilvers [272] Phosphine complexes of trifluaromethylsilver are formed from the reaction of trimethyl-phosphme, silver acetate, and bis(trifluoromethyl)cadmium glyme [755] The per-fluoroalkylsilver compounds react with halogens [270], carbon dioxide [274], allyl halides [270, 274], mineral acids and water [275], and nitrosyl chloride [276] to give the expected products Oxidation with dioxygen gives ketones [270] or acyl halides [270] Sulfur reacts via insertion of sulfur into the carbon-silver bond [270] (equation 188)... 

The most commonly used chromate passivation process is the Cronak process developed by the New Jersey Zinc Co. in 1936, in which the parts are immersed for 5-10 s in a solution containing 182 g/1 sodium dichromate and 6ml/l sulphuric acid. A golden irridescent film is formed on the zinc or cadmium surface. Many variants (all fairly acidic) have been developed subsequently all are based on dichromate (or chromic acid) with one or more of the following sulphuric acid, hydrochloric acid (or sodium chloride), nitric acid (or nitrate), phosphoric acid, formic acid and acetic acid. A survey by Biestek shows that several of these variants are as good as the Cronak process, although none is superior. 

Females fed diets for 12 weeks containing 80 mg Pb/kg ration (as lead acetate) alone or in combination with 8 mg Hg/kg (as methylmercury chloride), or 80 mg Cd/kg ration (as cadmium chloride), ora mixture of Pb, Hg, and Cd Renal corpuscles of ducks fed Pb, Fig, or Cd alone or in two-way combinations had minor ultrastructural changes when compared to controls. The diet containing all three metals caused marked ultrastructural changes in kidney 40... 

INCOMPATIBILITY DS2 is a corrosive material and because of its content, it is incompatible with some metals (e.g., cadmium, tin and zinc) some plastics (e.g., Lexan, cellulose acetate, polyvinyl chloride, Mylar, and acrylic) some paints wool leather oxidizing materials (e.g., Super Tropical Bleach or High Test Hypochlorite) and acids. 

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