三偏磷酸钠

中文名称： 三偏磷酸钠

其他中文名称： 磷酸三间酯；偏磷酸三钠

英文名称： Trisodium trimetaphosphate

其他英文名称： Sodium trimetaphosphate

产品规格： CP，65%

三偏磷酸钠包装：500克

CAS号：7785-84-4

Na3P3O9=305.89

三偏磷酸钠级别：CP

含量：≥65.0%  

水不溶物：≤1.0%

砷：≤0.0003%

氟化物：≤0.003%

重金属：≤0.001%

PH：5.0～9.0

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。

性状：结晶或结晶性粉末。易溶于水（21 g/100 mL），15水溶液pH值为6.0。在水溶液中加氯化钠可形成六水盐的结晶体，能与金属离子结合。熔点：627.6℃。  

用途：生化研究。软水剂

保存：RT

包装形式：瓶装或盒装

试剂取用：严格按三偏磷酸钠说明书操作，勿食、勿接触皮肤、眼、口等人体重要部位及器官

我们提供的试剂产品品质优良，都是通过严格的检测体系认证

保存注意事项：低温、避光、干燥阴凉处封闭贮存，严禁与有毒、有害物品混放、混运。本品为非危险品，可按一般化学品运输，轻搬动轻放，防止日晒、雨淋。

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