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磷酸三钾 (ATKP)
TRIPOTASSIUMPHOSPHATEANHYDROUS
执行标准:GB 25563-2010
Executive Standard:GB 25563-2010
化学式: K3PO4
Chemical formula: K3PO4
分子量: 212.28
Molecular weight: 212.28
性状：白色粉末，有吸湿性，易溶于水，不溶于醇，有强腐蚀性，水溶液呈碱性反应，1%水溶液pH值为11.8，熔点为1340℃，相对密度为2.564。
Characteristics: White powder, hygroscopic, soluble in water, insoluble in alcohol, has a strong corrosive aqueous solution is alkaline reaction, a 1% aqueous solution pH of 11.8, a melting point of 1340 ° C, the relative density of 2.564.
Technical Specifications:
|
序号
S/N.
|
指标名称
SPECIFICATIONS
|
工业级
INDUSTRIAL GRADE
|
食品级
FOOD GRADE
|
|
|
1
|
磷酸三钾(K3PO4)
TRIPOTASSIUMPHOSPHATEANHYDROUS
(K3PO4)
|
≥
|
98
|
98
|
|
2
|
五氧化二磷(P2O5)
Phosphorus pentoxide
|
≥
|
33.4
|
33.4
|
|
3
|
氧化钾（K2O）
Potassium hydroxide（K2O）
|
≥
|
66
|
66
|
|
4
|
PH值（1%水溶液）
PH of 1% water solution
|
≤
|
12.1
|
12.1
|
|
5
|
砷（以As计）
Arsenic,as As
|
≤
|
0.0003
|
|
|
6
|
重金属（以Pb计）
Heave metals,as Pb
|
≤
|
0.002
|
|
|
7
|
水不溶物
Water insoluble
|
≤
|
0.2
|
0.2
|
|
8
|
灼烧失重
Loss on ignition
|
≤
|
3.0
|
2.3
|
用途：用于食品工业、锅炉水处理，还可作高效液体复合肥料及在合成橡胶生产中从酸性气体中回收硫的助剂。
Uses: used in the food industry, boiler water treatment, but also for efficient liquid fertilizer materials and recovery of sulfur from acid gas in the production of synthetic rubber additives.
包装：内塑外编包装，每袋净重25KG或50KG，贮于通风干燥处。
Packing: Plastic knit bag , Net weight 25kg or 50kg . Storage in ventilated and dry place.
