Tetrasodium
Pyrophosphate £¨ Anhydrous & Decahydrate£©
Molecular
Formula £º Na 4 P 2 O 7 ¡¤ nH 2 O (n £½ 0 £¬ 10)
Molecular Weight : 265.90
£¨ n=0 £©£¬ 446.06 £¨ n=10 £©
Specification £º
Industry Grade £º HG/T2968 £ 1999
or customer's demand
Food Grade £º HG2923 £ 1999 £» FCC or customer's
demand
Item |
Value |
Industry
Grade |
Food
Grade |
Na
4 P 2 O 7 |
Na
4 P 2 O 7 ¡¤
10H
2 O |
Na
4 P 2 O 7 |
Na
4 P 2 O 7 ¡¤
10H
2 O |
Excellent |
Grade
1 |
Grade
2 |
C
o n t e n t £¬ % ¡Ý |
97.5 |
96.5 |
95.5 |
98.0 |
96.5
¡« 100.5 |
98.0 |
Water-insoluble
matter £¥ ¡Ü |
0.20 |
0.10 |
0.20 |
0.10 |
PH
Value £¨ 10 g / L solution £© |
9.9
¡« 10.7 |
9.9
¡« 10.7 |
Ortho-phosphates |
pass |
pass |
Arsenic
£¨ As £© £¬ % ¡Ü |
¡ª |
0.0003 |
Heavy metals(Pb)
, % ¡Ü |
¡ª |
0.001 |
Fluoride
£¨ F £©£¬ % ¡Ü |
¡ª |
0.005 |
Loss of ignition
£¬ % ¡Ü |
¡ª |
0.50 |
38.0
¡« 42.0 |
Usage £º Used
as water-softener, boiler-scale remover, metal-ion
complexer, and quality improver for tinned
food and juice.
Package
£º 25Kg,
50Kg, 1,000kg bags or according to customer's
demand.
|
