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resorcinolphthalein

/ˌrɛzɔːˈsɪnɒlˌfθæliːɪn/

翻译: 一种黄色染料,即使在高度稀释时仍可见,在分析化学中用作吸附指示剂,尤其在硝酸银滴定氯化钠沉淀氯化银时,当氯离子不再存在后荧光素负离子被吸附,使沉淀变为粉红色。

1 个条目

noun

/ˌrɛzɔːˈsɪnɒlˌfθæliːɪn/C2formalscientific
  • zh一种黄色染料,即使在高度稀释时仍可见,在分析化学中用作吸附指示剂,尤其在硝酸银滴定氯化钠沉淀氯化银时,当氯离子不再存在后荧光素负离子被吸附,使沉淀变为粉红色。

A yellow dye that remains visible even when highly diluted, used as an absorption indicator in analytical chemistry, particularly when silver nitrate is added to sodium chloride to precipitate silver chloride, turning pink when no chloride ions remain and negative fluorescein ions are absorbed.

  1. Chemical dye and indicatorC2formalscientific

    A yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed).

    zh化学染料和指示剂

    • The chemist used resorcinolphthalein to detect the endpoint of the titration.
    • A small amount of resorcinolphthalein turned the solution pink.
    • Resorcinolphthalein is a sensitive indicator for chloride ions.

    同义词fluorescein

词形
  • resorcinolphthaleins plural form
  • resorcinolphthaleins' possessive plural form
  • resorcinolphthalein's possessive singular form