CERTIFICATE OF ANALYSIS
Product Name MANGANESE DIOXIDE AR CAS Number 1313-13-9
Molecular Formula MnO 2 Catalogue No. AL2889
Molecular Weight 86.94 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Assay
Free moisture
Insoluble matter in HCl
Iron (Fe)
Lead (Pb)
Copper (Cu)
Sulphate (SO)
pH (5% water)
A black colored heavy powder
(Min.) 80.0%
<3%
<0.5%
<0.1%
<0.09%
<0.002%
<1.2%
4.5 - 6.5
A black colored heavy powder
89.12%
1.9%
0.4%
<0.1%
0.08%
<0.002%
1%
5.6
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane