标准摘要
[中文适用范围]： 建立纯度标准并描述身份测试、灼烧后残留物、重金属含量、铁含量、溶液外观的测试方法。 附录 A 描述了标准六硝酸铈铵溶液的制备。 [外文原描述]： Establishes criteria for the purity and describes the test methods for identity tests, residue after ignition, heavy metals content, iron content, appearance of solution. Annex A describes preparation of the standard ammonium cerium(IV) hexanitrate solution.
英文名称Photography — Processing chemicals — Specifications for hydroquinone