ISO 4313:1976 洗涤粉.氧化磷总含量的测定.磷钼酸喹啉重量法

标准编号：ISO 4313:1976

中文名称：洗涤粉.氧化磷总含量的测定.磷钼酸喹啉重量法

英文名称：Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method

发布日期：1976-11

标准范围

测定方法如下:用硝酸水解聚磷酸盐。在丙酮溶液中以喹啉磷钼酸盐形式沉淀磷酸盐。沉淀物的干燥和称重。

The determination is carried out in the following way: Hydrolysis of polyphosphates by nitric acid. Precipitation of phosphates in the form of quinoline phosphomolybdate in acetone solution. Drying and weighing of the precipitate.

标准预览图