CERTIFICATE OF ANALYSIS
Product Name SODIUM TUNGSTATE DIHYDRATE Extra Pure CAS Number 10213-10-2
Molecular Formula Na 2 WO 4 .2H 2 O Catalogue No. AL4310
Molecular Weight 329.86 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Assay
Free Alkali (as NaOH)
Chloride (Cl)
Sulphate (SO4)
Total nitrogen (N)
Iron (Fe)
White Crystalline Powder
Min. 98%
<0.1%
<0.01%
<0.02%
<0.005%
<0.002%
White Crystalline Powder
98.44%
<0.1%
<0.01%
0.01%
0.004%
<0.002%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane