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Tin (II) pyrophosphate
Molecular formula: Sn2P2SO7 Molecular weight: 411.4
white crystal or amorphous powder, Density 4,009/Cubic centimeter.
Uses: Cyanide-free plating, filler of toothpaste, dyeing of printing and dyeing industry, refined pottery, water softener, emulsifier, etc.
Standard quality of product | |||||
Standard name | Sn | Pb | Fe | Sulfate | Acid insoluble matter |
Standard values (%) | ≥57 | ≤0.001 | ≤0.002 | ≤0.002 | ≤0.01 |