标准摘要
[中文适用范围]： 该方法是用热水提取总灰分，用无灰滤纸过滤，灼烧残渣，称重，测定不溶性灰分；通过差值计算可溶性灰分。 [外文原描述]： 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.
英文名称Tea — Determination of water-soluble ash and water-insoluble ash