化学名称:磷酸氢二钠
别名: 二钠
化学式: Na2HPO4
执行标准:HG2920-2000(食品级)
性状:
性状:
十二水物为白色结晶体,相对密度1.52,易风化,35℃熔融并失去5个结晶水,100℃时变成无水物,250℃时变成焦磷酸钠;无水物为白色粉末, 易潮解;二者均易溶于水,水溶液呈弱碱性,不溶于醇。
用途:
在食品工业中用于制造焙粉,作品质改良剂、乳化剂、营养强化剂、发酵助剂、粘结剂、PH调节剂、乳化分散剂等,主要用于乳酪、饮料、果冻、冰淇淋中。
包装:
25KG,双层塑料内袋,外袋为塑料编织袋。
技术指标:
序号 |
指标名称 |
单位 |
无水物 Na2HPO4 |
食品级 | |||
1 |
外观 |
|
白色粉末 |
2 |
主含量 |
% |
≥98.0 |
3 |
PH(1%水溶液) |
|
8.5-10.0 |
4 |
氟化物(以F计) |
PPM |
≤50 |
5 |
重金属(以Pb计) |
PPM |
≤10 |
6 |
砷(以As计) |
PPM |
≤3 |
7 |
水不溶物 |
PPM |
≤200 |
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