CERTIFICATE OF ANALYSIS

Product Name AMMONIUM SULPHIDE SOLUTION IN WATER EXTRA PURE CAS Number 12135-76-1
Molecular Formula (NH 4 ) 2 SX Catalogue No. AL0401
Molecular Weight ---------- Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay
Non–volatile matter
Carbonate (CO3)
Clear yellow liquid with ammonical odor
(Min) 20% W/V H2S
<0.01%
<0.005%
Clear yellow liquid with ammonical odor
20.37% W/V H2S
0.0071%
0.004%
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur