Sodium stannate NEW

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%