V2EX chromate

Chromate

定义/Definition

chromate铬酸盐;铬酸根。常指含有 CrO(铬酸根) 的盐或化合物(多呈黄色),在化学分析、防腐处理、颜料与工业工艺中较常见。(在部分语境中也可泛指“六价铬的铬酸盐类化合物”。)

发音/Pronunciation

/kromet/ (AmE), /krmet/ (BrE)

例句/Examples

The solution turns yellow when chromate is present.
当存在铬酸盐时,溶液会变黄。

Because chromate compounds can be toxic and carcinogenic, the lab requires gloves and proper waste disposal.
由于铬酸盐化合物可能有毒并具有致癌性,实验室要求戴手套并按规定处理废弃物。

词源/Etymology

来自 **chrom-**(与“颜色”有关,源于希腊语 khrōma “颜色”)+ -ate(常用于表示“盐/酯”的化学后缀)。之所以与“颜色”相关,是因为许多铬化合物颜色鲜明;其中铬酸盐常见为黄色。

相关词/Related Words

文学与著作/Literary Works

  • CRC Handbook of Chemistry and Physics(常以“chromate/CrO”条目出现)
  • The Merck Index(收录多种铬酸盐化合物与“chromate”相关条目)
  • Vogel’s Textbook of Quantitative Chemical Analysis(在分析化学章节中常出现“chromate/dichromate”相关用法)
  • Ullmann’s Encyclopedia of Industrial Chemistry(工业化学与材料、防腐处理等部分常见“chromate”术语)
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