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Molecular formula: K4P2O7
Standard executed: HG/T3591-2009(INDUSTRIAL GRADE)GB25562-2010(FOOD GRADE)
Capacity: 5000t/a
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.
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。
内塑外编,每袋净重25,50,1000KG,贮于通风干燥处。
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Assay % ≥ | 96.0 | 95.0 |
K2O %≥ | ||
五氧化二磷(P2O5) %≥ | ||
铁 Iron as Fe %≥ | 0.05 | |
水不溶物 Water insoluble %≤ | 0.2 | 0.1 |
重金属Heavy metal as Pb %≤ | 0.001 | |
砷Arsenic as As %≤ | 0.0003 | |
PH | 10.0-11.0 | 10.5±0.5 |
正磷酸盐 Ortho phosphate %≤ | Qualified | Qualified |
氟化物 Fluoride as F ≤% | 0.001 |