CERTIFICATE OF ANALYSIS
Product Name SODIUM SILICATE POWDER (META) Extra Pure CAS Number 13517-24-3
Molecular Formula Na 2 O 3 Si.9H 2 O Catalogue No. AL4201
Molecular Weight 284.2 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Chloride (Cl)
Sulphate (SO4)
Iron (Fe)
Heavy metal (as Pb)
Loss on ignition (at 700°C)
Off white crystalline powder
<0.05%
<0.05%
<0.005%
<0.001%
35 – 50%
Off white crystalline powder
0.04%
<0.05%
0.0028%
0.000057%
37.89%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane