标准摘要
[中文适用范围]： 该方法的基础是称量测试部分并将其放入准备好的点火坩埚中，在低火上加热坩埚以除去任何挥发性物质，在炉中焚烧，在干燥器中冷却至室温，然后重新称重。 [外文原描述]： The method is based on weighing a test portion and placing it in prepared ignition crucible, heating the crucible over a low flame to drive off any volatile matter, incineration in a furnace, cooling to room temperature in a desiccator, and reweighing.
英文名称Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition