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dichromate

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dichromate
dichromate Chem. (daɪˈkrəʊmət) [f. di-2.] A double chromate (q.v.), as potassium dichromate K2·CrO4·CrO3. (Also bichromate.)1864 in Webster. 1876 Harley Mat. Med. (ed. 6) 71 Potassic dichromate. 1883 Athenæum 27 Oct. 538/1 [He] recommends potassium dichromate as an exceedingly useful disinfecting ag... Oxford English Dictionary
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Silver dichromate
Silver dichromate is a chemical compound with the formula Ag2Cr2O7. It is insoluble in water and decomposes when treated with hot water. For instance, tetrakis(pyridine)silver dichromate, [Ag2(py)4]2+[Cr2O7]2−, is used to convert benzylic and allylic alcohols to corresponding carbonyl compounds wikipedia.org
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Sodium dichromate
In terms of reactivity and appearance, sodium dichromate and potassium dichromate are very similar. Sodium dichromate can be used in fluorene to fluorenone conversion. wikipedia.org
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Potassium dichromate
Chemistry Production Potassium dichromate is usually prepared by the reaction of potassium chloride on sodium dichromate. Cleaning Like other chromium(VI) compounds (chromium trioxide, sodium dichromate), potassium dichromate has been used to prepare "chromic acid" for cleaning wikipedia.org
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Why do neurons turn black in Golgi staining? I am learning about the Golgi staining of neurons. I know that to this day it is unknown why some but not all neurons in a tissue get stained. I have read online that to ha...
The black/brown color is because silver chromate is in the cells. As you say, the precise mechanism is unknown but this is more about why exactly silver preferentially precipitates within neurons by this procedure, and not other cell types, and also importantly why it does so _so sparingly_ \- the k...
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Ammonium dichromate
It is a salt consisting of ammonium ions and dichromate ions. The ammonium dichromate acts as the photoactive site. wikipedia.org
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Strontium chromate
Preparation Strontium chromate is prepared from strontium chloride and sodium chromate, or from strontium carbonate and sodium dichromate. in a hot solution of a soluble sulfate to digest until fully converted to the much less soluble and white strontium sulfate, leaving the chromate or dichromate wikipedia.org
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Chromate and dichromate
Dichromate salts contain the dichromate anion, . They are oxyanions of chromium in the +6 oxidation state and are moderately strong oxidizing agents. In an aqueous solution, chromate and dichromate ions can be interconvertible. wikipedia.org
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重铬酸吡啶盐
重铬酸吡啶盐（Pyridinium dichromate，PDC），分子式C5H4N·H2Cr2O7，类似PCC一样的温和氧化剂，室温下为橙黄色晶体，用来把醇有限度地氧化为醛。它由E.J.Corey发明。试剂本身呈弱酸性，所以常跟缓冲剂比如乙酸钠配合使用。 wikipedia.org
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Chromate
Chromate or chromat, and their derived terms, may refer to: Chemistry Chromate and dichromate, ions Monochromate, an ion Trichromate, an ion Tetrachromate , an ion Chromate conversion coating, a method for passivating metals Biology Monochromacy (monochromate) having one color vision Dichromatism (dichromate wikipedia.org
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(PDF) Quantitative Reduction of Iron under Nitrogen ... - ResearchGate
1000 型 ）， 200 mL ビーカー， シリコン栓 （ 24 番， 下径 6.3 cm ）， ジムロート， ORP 電 極（ HORIBA 製 9300-10D ） ， 窒素ライン から構成される。
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Sodium chromate
Subsequent to its formation, the chromate salt is converted to sodium dichromate, the precursor to most chromium compounds and materials. See also Chromate and dichromate Safety As with other Cr(VI) compounds, sodium chromate is carcinogenic. wikipedia.org
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Ammonium chromate
It forms yellow, monoclinic crystals; made from ammonium hydroxide and ammonium dichromate; used in photography as a sensitizer for gelatin coatings. See also Ammonium dichromate References Ammonium compounds Chromates wikipedia.org
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Chromyl chloride
Preparation Chromyl chloride can be prepared by the reaction of potassium chromate or potassium dichromate with hydrogen chloride in the presence of sulfuric Usage Test for the presence of chlorides The chromyl chloride test involves heating a sample suspected to contain chlorides with potassium dichromate wikipedia.org
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Predominance diagram
Red line Hydrogen chromate and dichromate have equal concentrations. Setting [] equal to [] in Eq. , [] = ; from Eq. , then, [] = . Blue line Chromate and dichromate have equal concentrations. Setting [] equal to [] in Eq. gives [] = . wikipedia.org
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