Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method
国外标准现行
标准号:ISO 3357-1975
标准名称: 工业用三聚磷酸钠和焦磷酸钠 氧化磷(V)总含量的测定 磷钼酸喹啉重量法
英文名称:Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method