potassium salt

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TETRA POTASSIUM PYROPHOSPHATE(TKPP)

Guaranteed Technical Specifications

Molecular formula: K4P2O7               
Standard executed: HG/T3591-2009(INDUSTRIAL GRADE)GB25562-2010(FOOD GRADE)
Capacity: 5000t/a

Properties

White conglomerate or grain-like granule, deliquescent, easily soluble in water, but not in alcohol; its water solution is alkaline, PH value of 1% solution is 9.5-11.5.

Uses

主要用于无氰电镀,工业和家用洗涤剂,可作缓冲试剂和双氧水稳定剂,还可用作陶瓷、粘土、乳胶、颜料的分散剂等。

Packing and storage

内塑外编,每袋净重25,50,1000KG,贮于通风干燥处。

  • Other Parameters


指标名称 Specifications
工业级 Industrial Grade
食品级 Food Grade
外观 Appearance
白色粉末或颗粒 White powder or Granular
焦磷酸钾% ≥
96.0
95.0
K2O                  %≥
五氧化二磷(P2O5)   %≥
铁(以Fe计)        %≥
0.05
水不溶物            %≤
0.2
0.1
重金属(以Pb计  )  %≤
0.001
砷(以As计)        %≤
0.0003
PH
10.0-11.0
10.5±0.5  
正磷酸盐            %≤
符合检验
氟化物(以F计  )  ≤  %  
0.001

Pre:MONOPOTASSIUM PHOSPHATE (MKP)
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