CERTIFICATE OF ANALYSIS
Product Name TUNGSTEN (VI) OXIDE Extra Pure CAS Number 1314-35-8
Molecular Formula WO 3 Catalogue No. AL4713
Molecular Weight 231.85 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Chloride (Cl)
Sulphate (SO4)
Lead (Pb)
Calcium (Ca)
Iron (Fe)
Loss on ignition (700°C)
Yellow colored powder
<0.05%
<0.01%
<0.001%
<0.03%
<0.002%
<1.0%
Yellow colored powder
0.04%
0.0057%
<0.001%
0.025%
0.001%
0.5%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane