标准摘要
[中文适用范围]： 本国际标准制定了照相级亚硫酸钾 650 克/升水溶液的纯度标准，并规定了用于确定纯度的测试。 [外文原描述]： This International Standard establishes criteria for the purity of photographic-grade potassium sulfite, 650 g/I aqueous solution, and specifies the tests to be used to determine the purity.
英文名称Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l solution