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sodium chromate cas 7775-11-3

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Wuhan Linkworld Chemical Industry CO.,Ltd

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sodium chromate cas 7775-11-3

Place of Origin : china

Brand Name : linkworld

Model Number : linkworld-034

MOQ : 1T

Price : negotiate

Packaging Details : As customer's demand

Delivery Time : about one week

Payment Terms : T/T,Western Union

Supply Ability : 1000T/month

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sodium chromate cas 7775-11-3

sodium chromate basic information:

CAS: 7775-11-3

MF: Na2CrO4

Appearance: Yellow crystal

sodium chromate index:

Project Item	industrial-grade
(Na2CrO4·4H2O)%	98.0
pH(50g/L solution,25℃)	8.5~9.5
Water insolubles%	0.01
Chloride %	0.01
Sulfate (SO4) %	0.05
K%	0.05
Aluminum%	0.01
Calcium%	0.001

sodium chromate usage:

Oxidation, used in dye, tanned leather and chrome yellow pigment, etc. Antioxidant, mordant, rust inhibitor. The four six hydrate, hydrate, hydrate decahydrate. Industrial products for four hydrate, yellow slightly deliquescence crystallization. Heated to 68 ℃ lose crystal water be alpha anhydrous sodium chromate, type 413 ℃ into beta. Oxidation, easy for common reductant reduction for trivalent chromium.

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