V2EX potassium nitrate

Potassium Nitrate

释义 Definition

硝酸钾(化学式 KNO):一种常见的白色结晶固体盐类。常用于肥料提供钾和氮;也可作为氧化剂用于烟火/推进剂配方;在部分食品加工中曾用于腌制与发色(具体用途受法规与安全规范限制)。也常被称为 saltpeter/saltpetre(硝石)

发音 Pronunciation (IPA)

/ptsim natret/

例句 Examples

Potassium nitrate is used in some fertilizers.
硝酸钾用于一些肥料中。

In the lab, we recrystallized potassium nitrate to remove impurities and study its solubility.
在实验室里,我们通过重结晶提纯硝酸钾,并研究它的溶解度。

词源 Etymology

potassium 来自 potash(“草木灰制碱”,早期从灰烬中获取钾盐)加上元素常见后缀 -iumnitrate 来自 nitric(与硝酸有关)与后缀 -ate(表示“……酸盐”)。整体字面义即“钾的硝酸盐”。

相关词 Related Words

文学作品中的用例 Literary Works

  • Alexandre Dumas《The Count of Monte Cristo》:作品中涉及监狱环境与墙面盐类沉积时,常以旧称 saltpetre(硝石) 等词出现(与硝酸盐相关的历史语境)。
  • Jules Verne《Journey to the Center of the Earth》:在谈及火药/爆破等情节时,可能出现与 saltpeter / nitrates(硝石/硝酸盐)相关的术语。
  • Herman Melville《Moby-Dick》:书中涉及工业与化学气味/物质的描写时,可见 saltpetre 等旧式化学词汇的使用(多为时代语感与比喻性表达)。
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