标准号:ISO 423-1994
中文标准名称:摄影 冲洗用化学品 氢醌规范
英文标准名称:Photography; processing chemicals; specifications for hydroquinone
标准类型:G84
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:G84
国际标准分类号:37.040.30
适用范围: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.