Chemical Name: Potassium pyrophosphate
Molecular Formula: K4P2O7
Molecular Weight: 330.33
Properties: white lump or powder solid; can absorb moisture; easily soluble in water, insoluble in alcohols.
Specifications:
|
ZB/TG12006-88 |
FAO / WHO,1980 |
HG/T3591-1999 |
Best quality |
First quality |
Qualifier |
Potassium pyrophosphate(K4P2O7)Assay, % |
96.0 |
95.0 |
94.0 |
95.0 |
98.0 |
Loss on IgnitionAssay% ≤ |
- |
- |
- |
0.5 |
- |
Insol. in waterAssay, % ≤ |
0.10 |
0.20 |
0.25 |
0.2 |
0.10 |
Arsenic (As)Assay, % ≤ |
- |
- |
- |
0.0003 |
- |
Heavy Metal (Pb)Assay, % |
- |
- |
- |
0.002 |
- |
Fluoride (F)Assay, % ≤ |
- |
- |
- |
0.001 |
- |
Lead (Pb)Assay, % ≤ |
- |
- |
- |
0.001 |
0.003 |
Iron(Fe)Assay% ≤ |
0.03 |
0.05 |
0.10 |
- |
0.01 |
pH-value(1% aqueous solution) |
10.0-10.7 |
10.0-10.7 |
10.0-10.7 |
- |
10.5±0.5 |
Hull Cell test(DK≥10A/dm2) |
- |
- |
- |
- |
Qualified |
Orthophosphate |
Accord with test |
- |
- |
Use: Used for surface treatment, high-grade detergents, paints and coatings, cleaning agents, dispersants etc.
Packing: 25kg/bag, in plastic woven bag or 3-in-1 bag lined with double-layer plastic bag.
Storage & Transport: Kept in tightly-closed containsrs, it should be stored in a dry and ventilative Warehouse, kept away from moistrue and hot, furthermore, it shuold be sctored separately from poisonous substances. Handled with care, so as to avoid damage to Bags. |
