SODIUM DICHROMATE ANHYDROUS (RUSSIA)
Product: Sodium Dichromate Anhydrous
Chemical Name: Sodium Dichromate / Sodium Bichromate
Formula: Na2Cr2O7
CAS-Number: 10588-01-9
EINECS-Number: 234-190-3
Application: Can be used in tannery and fur industry for leather and fur tanning, in chemical industry for producing non-organic pigments, catalyzes and other chrome-containing elements, in textile industry for fabric pickling, and in other industries in passive mixtures content, in antifreeze liquid for engines, acetylene cleaning and chemical reagents.
Packing: 25kg bags or jumbo bags on pallets, shipped by containers
Specification
|
# |
CRITERIA |
VALUE |
|
1. |
Mass
fraction of sodium dichromate (Na2Cr2O7),%,
min |
98.9 |
|
2. |
In
terms of chromic anhydride %. Min |
75.5 |
|
3. |
Mass
fraction of sulfate in terms of SO4,%, max |
0.1 |
|
4. |
Mass
fraction of chlorides as Cl,%, max |
0.2 |
|
5. |
Insoluble
in water,%, max |
0.01 |
|
6. |
Mass
fraction of iron (Fe),%, max |
0.001 |
|
7. |
pH
of the aqueous solution, min |
3.5 |
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