Sodium Dichromate (CAS NO 7789-12-0.)

1.sodium dichromate
2.CAS NO.7789-12-0
3.Purity:98.5%, 98.9%
4.Packing: in 50kg polywoven bags
5.Origin: made in China
1.sodium dichromate
2.CAS NO.7789-12-0
3.Purity:98.5%, 98.9%
4.Packing: in 50kg polywoven bags
5.Origin: made in China
Specification

Main substance(Na2Cr2O3), min
98.9%
Main substance incoversion to CrO3, min
75.5%
Sulphates in conversion to SO4, max
0.1%
Chlorides in conversion to Cl, max
0.2%
Water insoluble residue, max
0.01%
Main substance(Fe), max
0.001%
PH of water, min
3.








APPLICATION
in the leather and fur industry for tanning hides and furs;
in the textile industry as mordants in dyeing of fabrics;
in the production of catalysts, mineral and organic dyes;
in the oil and gas industry for drilling wells;
in a number of other industries in the passivating mixture of anti-freeze for engines, acetylene, purification and chemical reagents;


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