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单词 dimethylglyoxime
释义

dimethylglyoxime


Thesaurus
Noun1.dimethylglyoxime - a compound used in analysis as a precipitant for palladium or nickelprecipitant - an agent that causes a precipitate to form

Dimethylglyoxime


dimethylglyoxime

[‚dī¦meth·əl·glī′äk‚sīm] (organic chemistry) (CH3)2C2(NOH)2 White, crystalline or powdered solid, used in analytical chemistry as a reagent for nickel.

Dimethylglyoxime

 

diacetyl dioxime:

Colorless crystals; melting point, 238°-240°C. It is soluble in alcohol, ether, and solutions of alkalies. With nickel salts it yields a red insoluble precipitate of nickel dimethylglyoximate, (C4H7O2N)2Ni, which is a chelate compound. Because of this, dimethylglyoxime is used for the qualitative and quantitative determination of nickel. In 1905, L. A. Chugaev suggested the use of dimethylglyoxime as a specific reagent for nickel. Dimethylglyoxime is made by treating diacetyl with hydroxylamine.

AcronymsSeeDMG

dimethylglyoxime


  • noun

Words related to dimethylglyoxime

noun a compound used in analysis as a precipitant for palladium or nickel

Related Words

  • precipitant
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更新时间:2024/9/24 20:32:48