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1. sodium hypophosphite

Appearance White crystalline powder no clumps;
Sodium Hypophosphite 101% min;
Assay, Dry Basis 84.0% Min;
Sodium Phosphite 0.2% max;
Ca 30ppm max;
Sulfate 25ppm max;
Cl 30ppm max;
Fe 1ppm max;
PH 6.3---7.3;
Phosphate test Pass (no turbidity) ...

2. Tetrakis Hydroxymethyl Phosphonium Sulfate

Appearance Colorless liquid;
Assay 75.0% Min;
Fe 0.001% Max;
Viscosity 30-40mPa.s;
Density 1.380 - 1.420;
PH value 2-5;
price:FOB Shanghai USD1525/T

3. hypophosphorous acid

Appearance Clear to colorless liquid;
H3PO2 50% min;
H3PO3 0.3% max;
Na 0.1% max;
Sulfate 50ppm max;
Cl 80ppm max;
Fe 5ppm max;
price:FOB Shanghai USD1700/T