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sodium stannate CAS No.12058-66-1
Sodium Stannate
CAS No.: 12209-98-2
Formula:Na2SnO3·3H2O
MW:266.73
Characters:Colorless hexagonal tabular crystal or white powder.
Product details

Sodium Stannate
CAS No.: 12209-98-2 
Formula:Na2SnO3·3H2O 
MW:266.73
Characters:Colorless hexagonal tabular crystal or white powder.

 

Specifications:Quality standard : GB/T 26040-2010

Item

Industrial  Grade TOP Grade

Industrial  Grade Second  Grade

Appearance:

White powder or white crystalline matter

White powder or white crystalline matter

Assay (Sn)

≥42%

≥36.5%

 Pb

≤0.002%

≤0.002%

 Sb

≤0.0025%

≤0.002%

 As

≤0.001%

≤0.002%

 Fe

≤0.02%

≤0.02%

Free alkali(on NaOH)

≤3.5%

≤4.5%

Nitrate (on No3)

≤0.1%

≤0.2%

Alkali insoluble matter

≤0.1%

≤0.2%

 

Product Usage: Mainly used in alkaline tin and copper plating of electroplating industry, and the electroplating and chemical plating of alloy such as tin alloy, zinc tin alloy and aluminum alloy, etc. In the textile industry used as fire retardant, weighting agent. Used as a mordant in dyeing and printing industry. Also used for glass, ceramic industry, etc.

Packaging:25 kg/cardboard drum lined with plastic bags or 25 kg woven bag lined with plastic bag. 

Storage Precautions:Stored in a cool, dry and ventilated warehouse, avoid moisture and fire.   

 
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