CERTIFICATE OF ANALYSIS

Product Name SODIUM METABISULPHITE AR/ACS CAS Number 7681-57-4
Molecular Formula Na 2 S 2 O 5 Catalogue No. AL4196
Molecular Weight 190.1 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay
Insoluble matter
Chloride (Cl)
Arsenic (As)
Copper (Cu)
Iron (Fe)
Lead (Pb)
Zinc (Zn)
White crystalline powder
(Min.) 98%
<0.003%
<0.005%
<0.00005%
<0.001%
<0.0005%
<0.001%
<0.001%
White crystalline powder
98.71%
<0.003%
0.004%
<0.00005%
0.0008%
<0.0005%
<0.001%
<0.001%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur