Tetra Sodium Pyrophosphate
Chemical formula: Na3PO4. nH2O (n=0,12)
Molecular weight: 380.14
Molecular weight: 380.14
Standard executed: Tech grade (HG/T2968-1999) Food grade (HG 2923-1999)
Properties:
White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.
Application:
Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.
Application:
Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Guaranteed Technical Specifications:
|
Specifications |
Tech Grade |
Food Grade |
|
Appearance |
White Powder | |
|
Main contaent % ≥ |
96.5 |
96.5 |
|
Phosphorus pentoxide,as P2O5 % ≥ |
51.5 |
51.5 |
|
Ortho Phosphate |
合格 |
合格 |
|
PH of 1% water solution |
9.9 — 10.7 |
9.9-10.7 |
|
Water insoluble % ≤ |
0.1 |
0.1 |
|
Screen Analysis Through 60 US mesh |
90 |
90 |
|
Fluoride, as F %≤ |
|
0.005 |
|
Heavy metals, as Pb %≤ |
|
0.001 |
|
Arsenic, as As %≤ |
|
0.0003 |
|
Loss on ignition %≤ |
|
0.5 |