ISO 423:1994 照相级对苯二酚.规范

标准编号：ISO 423:1994

中文名称：照相级对苯二酚.规范

英文名称：Photography — Processing chemicals — Specifications for hydroquinone

发布日期：1994-05

标准范围

建立纯度标准，并描述鉴定试验、燃烧后残留物、重金属含量、铁含量、溶液外观的试验方法。附录A描述了六硝酸铈铵（IV）标准溶液的制备。

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.

标准预览图