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.
