V2EX edta

EDTA

释义 Definition

EDTA 是 乙二胺四乙酸(ethylenediaminetetraacetic acid)的缩写,一种常见的螯合剂,能与金属离子(如 Ca、Mg、Fe)结合,常用于化学分析、清洗配方、食品与化妆品稳定、以及医学检验中作抗凝剂(常见于紫色采血管)。

发音 Pronunciation (IPA)

/i di ti e/

例句 Examples

EDTA is used to bind metal ions in solution.
EDTA 用于在溶液中结合(金属)离子。

Because EDTA chelates calcium, it is commonly added to blood collection tubes to prevent clotting during laboratory testing.
由于 EDTA 会螯合钙离子,它常被加入采血管中,以便在实验室检测过程中防止血液凝固。

词源 Etymology

EDTA 来自其化学名称 ethylenediaminetetraacetic acid 的首字母缩写。该名称描述了分子结构中含有乙二胺骨架与四个乙酸基团,这种结构使它能“抓住”金属离子形成稳定络合物,因此在工业与实验室中用途广泛。

相关词 Related Words

文学作品中的用例 Literary Works

EDTA 更常见于学术教材、实验手册与科研写作,在传统文学作品中出现频率较低。较具代表性的出版物类型包括:

  • 分析化学与化学实验教材(如关于络合滴定、硬度测定等章节)
  • 临床检验与血液学相关教科书(涉及 EDTA 抗凝与样本处理)
  • 工业与环境化学参考书(涉及金属螯合与水处理应用)
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