CERTIFICATE OF ANALYSIS

Product Name ZINCON AR CAS Number 62625-22-3
Molecular Formula C20H15N4NaO6S.H2O Catalogue No. AL4865
Molecular Weight 480.43 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Absorption maxima in NaOH 0.001 mol/L
Absorptivity, 1cm ,?max
Loss on drying at 135 0C
Suitability as complexometric Indicator
490 – 495 nm
375 min
10 %max
Passes test
491 nm
386
2.4%
Passes test
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur