Sodium Hydrosulphite
- Model
- TNN
Item specifics
- Purity(wt%)
- 85min
- Na2CO3(wt%)
- 3-4
- Na2S2O3(wt%)
- 1-2
- Na2S2O5(wt%)
- 5.5 -7.5
- Na2SO3(wt%)
- 1.47
- Fe(ppm)
- 20max
- Water lnsoluble
- 0.05
- Package
- 15/25/50/100/200/900kg drum
- Type
- 85% Tec/Food grade;88% Tec/Food;90%Tec/Food
Review
Description
Basic information
Appearance: White crystal powder
MF: Na2S2O4
Purity: 74%min,85%min,88%min,90%min
CAS No.: 7775-14-6
EINECS: 231-890-0
Specifications
|
ITEM |
UNIT |
STANDARD |
STANDARD | STANDARD |
STANDARD |
|
Sodium Hydrosulphite:Na2S2O4 |
% |
74 min |
85 min | 88 min |
90 min |
|
Water insoluble |
%
|
0.1 max |
0.05 max | 0.05 max |
0.05 max |
|
Sodium thiosulfate: Na2S2O3 |
%
|
1.20 max |
1.20 max | 1.0 max |
0.8 max |
Sodium metabisulfite: Na2S2O5 | % | 5-7 | 5-7 | 5-7 | 5-7 |
Sodium bisulfite:Na2SO3 | % | 0.5 max | 0.5 max | 0.4 max | 0.3 max |
Sodium carbonate: Na2CO3 | % | 0.6-7 max | 0.6-7 max | 0.6-7 max | 0.6-7 max |
Zinc(Zn) | % | 1ppm max | 1ppm max | 1ppm max | 1ppm max |
Other heavy metal (calculated as Pb) | % | 1ppm max | 1ppm max | 1ppm max | 1ppm max |
Fe | % | 20ppm max | 20ppm max | 20ppm max | 20ppm max |
General Uses
Packing
Packing of sodium hydrosulfite:
15kg drum, 1FCL= 18.87MT
25KG drum, 1FCL= 18.45MT
50KG drum, 1FCL=21.6MT
100KG drum, 1FCL= 19MT
200KG drum, 1FCL= 16MT
900KG drum, 1FCL=18MT
