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- 介绍: 环磷酸盐
- 熔点: 53℃
- 比重: 2.54
- 储存条件: RT
- 用途: 鉴定方法:本品呈钠离子反应和磷酸盐反应。 ①钠盐反应:将铂丝用浓盐酸湿润后,蘸取本品少许,在无色火焰上燃烧,火焰呈鲜艳黄色(钠离子)。 ②磷酸盐反应:取本品中性溶液,加硝酸银溶液(20g/L),有浅黄色沉淀生成,分离沉淀,沉淀在氨溶液(2+3)或硝酸溶液(6 mol/L)中易溶解。
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