V2EX hexavalent chromium

Hexavalent Chromium

Definition / 释义

六价铬(Cr(VI)):一种铬元素的高氧化态形态,常见于工业防腐、镀铬、颜料与某些化工过程中。具有强氧化性,并因对人体健康与环境的危害而受到严格监管;与之相对的还有较常见的三价铬(Cr(III))等形态。

Pronunciation / 发音

/hksvelnt kromim/

Examples / 例句

Hexavalent chromium can be harmful if you breathe it in.
六价铬如果被吸入,可能对健康有害。

The factory was required to monitor wastewater for hexavalent chromium to meet environmental standards.
工厂被要求监测废水中的六价铬含量,以符合环保标准。

Etymology / 词源

hexavalenthexa-(表示“六”)+ valent(来自“化合价/价态”的概念,表示“有……价的”)构成,字面意思是“六价的”。chromium 来自希腊语 chroma(“颜色”),因为铬的化合物常呈现鲜明色彩;合起来即“六价状态的铬”。

Related Words 相关词

In Literature / 文学作品中的出现

  • Erin Brockovich: My Story(Erin Brockovich 著):在讲述环境污染与法律维权时提及六价铬相关问题。
  • Cradle to Cradle: Remaking the Way We Make Things(William McDonough & Michael Braungart 著):讨论材料与化学品在产品生命周期中的风险时涉及铬及其危害形态(包括六价铬)的语境。
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