标准摘要
[中文适用范围]： 该方法基于将测试部分转移到装有水的锥形烧瓶中，在蒸汽浴上加热，通过干燥的多孔坩埚过滤，用热水洗涤，干燥坩埚和残留物，然后重新称重。 [外文原描述]： The method is based on transfer of the test portion in a conical flask containing water, heating on a steam bath, filtering through a dry porous crucible, washing with hot water, drying the crucible plus residue, and reweighing.
英文名称Photography — Photographic-grade chemicals — Test methods — Part 2: Determination of matter insoluble in water