标准摘要
[中文适用范围]： 制定了照相级十二水合硫酸铝钾 AlK(SO)?2HO 的纯度标准，并规定了用于确定纯度的测试。 [外文原描述]： Establishes criteria for the purity of photographic-grade aluminium potassium sulfate dodecahydrate, AlK(SO 4 ) 2 ·12H 2 O, and specifies the tests to be used to determine the purity.
英文名称Photography — Processing chemicals — Specifications for aluminium potassium sulfate