【Chemical formula】:Na2HPO4.12H2O
【Molecular Weight】:358.14
【Executive standard】:GB6008-85
【Property】:White crystals, Density is 1.63 , melting point is 34.6℃. Soluble in water easily, PH of 1% water solution is 8.8-9.2.
【USE】:Used as soft water agent for boiler , cleaning agent in electroplating ,etc.
【Technical Specifications】:Assay ≥ 98.0 %
|
Specification |
specifications |
|
|
|
Tech. grade |
Food grade |
|
Appearance |
White crystals |
|
|
Main content, % min |
97.0 |
97.0 |
|
Phosphorus pent-oxide, % min |
19.2 |
19.2 |
|
PH of 1% water solution, . |
8.8-9.2 |
9.0-9.4 |
|
Water insoluble, % max |
0.1 |
0.05 |
|
Heavy metals, as Pb. % max |
----- |
0.001 |
|
Arsenic,as As. % max |
----- |
0.0003 |
|
Fluoride,as F. % max |
----- |
0.002 |
|
Sulfate,as SO4 % max |
0.7 |
0.25 |
|
Chloride,as Cl. % max |
0.05 |
0.014 |
【Packing】:In 25kg PP woven bag,Store at ventilated dry place.