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Certificate of Analysis
Product Name: Sodium stannate Catalogue Number: GR-
Batch Size: 900KG Lot Number: 20230105
CAS Number: 12058-66-1 Production Date:
Molecular Formula: Na2O3Sn Report Date: 2023-01-05
Molecular Weight: 212.69 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White solid Conforms
Sn ≥42.0% Conforms
Pb ≤0.002% Conforms
Sb ≤0.0025% Conforms
As ≤0.001% Conforms
Fe ≤0.02% Conforms
Free alkali as NaOH ≤3.5% Conforms
Nitrate as NO3- ≤0.1% Conforms
Alkali insoluble matter ≤0.1% Conforms
signature
Prepared by: Reviewed by: Aproved by General manager:
Date: Date: Date:
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