CERTIFICATE OF ANALYSIS

Product Name SULPHUR DIOXIDE AQUEOUS SOLUTION 5-6% Extra Pure CAS Number 7782-99-2
Molecular Formula ---------- Catalogue No. AL4428
Molecular Weight ---------- Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay (as SO2)
Residue on ignition
Arsenic (As)
Heavy metals (as Pb)
Chloride (Cl)
Iron (Fe)
A clear colorless liquid
Min. 5-6%
<0.002%
<0.00005%
<0.0001%
<0.0005%
<0.0001%
A clear colorless liquid
6.08%
0.001%
<0.00005%
<0.0001%
0.0004%
<0.0001%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur