CERTIFICATE OF ANALYSIS

Product Name ZINC SULPHATE HEPTAHYDRATE AR/ACS CAS Number 7446-20-0
Molecular Formula ZnSO 4 .7H 2 O Catalogue No. AL4856
Molecular Weight 287.54 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay
Reaction
Insoluble matter
Chloride (Cl)
Total nitrogen (N)
Arsenic (As)
Cadmium (Cd)
Calcium (Ca)
Copper (Cu)
Iron (Fe)
Lead (Pb)
Manganese (Mn)
Potassium (K)
Sodium (Na)
White crystalline powder
(Min.) 99.5%
pH 4.4 - 6.0
<0.01%
<0.0005%
<0.0005%
<0.0001%
<0.0005%
<0.001%
<0.0005%
<0.0005%
<0.001%
<0.0003%
<0.001%
<0.001%
White crystalline powder
99.62%
pH 4.5
<0.01%
0.0004%
0.0004%
<0.0001%
0.0004%
<0.001%
0.0004%
<0.0005%
<0.001%
0.0002%
<0.001%
<0.001%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur