ISO 1576:1988 茶叶.水溶性灰分和水不溶性灰分的测定

标准编号：ISO 1576:1988

中文名称：茶叶.水溶性灰分和水不溶性灰分的测定

英文名称：Tea — Determination of water-soluble ash and water-insoluble ash

发布日期：1988-07

标准范围

该方法包括用热水提取总灰分，通过无灰滤纸过滤，点火并称量残渣，以测定不溶性灰分；用差分法计算可溶性灰分。

The method consists in extractiing of the total ash with hot water, filtration through ashless filter paper, ignition and weighing of the residue to determine the insoluble ash; calculation of the soluble ash by difference.

标准预览图