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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