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单词 Potassium Bichromate
释义

Potassium Bichromate

原声例句
TED-Ed(视频版)

First, Golgi hardened the brain tissue with potassium bichromate to prevent cells from deforming during handling.

首先,高尔基体用重铬酸钾硬化脑组织,以防止细胞在处理过程中变形。

中文百科

重铬酸钾 Potassium dichromate

(重定向自Potassium Bichromate)
Patch test

重铬酸钾英语:potassium dichromate;化学式:K2Cr2O7)是一种有毒且有致癌性的强氧化剂,室温下为橙红色固体。它被国际癌症研究机构划归为第一类致癌物质,而且是强氧化剂,在实验室和工业中都有很广泛的应用。

酸性溶液中重铬酸根还原为铬(III)离子的半反应式为:

{\rm \ Cr_2O_7^{2-} + 14H^+ + 6 {\mathit{e}}^- \rightarrow 2Cr^{3+} + 7H_2O} ; \ \ \varphi^{\ominus} = 1.36 \ \rm V
英语百科

Potassium dichromate 重铬酸钾

(重定向自Potassium Bichromate)
Patch test

Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. It is a crystalline ionic solid with a very bright, red-orange color. The salt is popular in the laboratory because it is not deliquescent, in contrast to the more industrially relevant salt sodium dichromate.

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更新时间:2025/6/19 12:29:15