CERTIFICATE OF ANALYSIS
Product Name PATTON AND REEDER'S REAGENT AR CAS Number 3737-95-9
Molecular Formula C 21 H 14 N 2 O 7 S Catalogue No. AL3420
Molecular Weight 438.42 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Sensitivity (as Ca)
Solubility ( in 0.1% methanol)
Absorptivity (a1%/1c.m in methanol pH 7.0 at max 552.0 nm
Loss on drying (110°C )
Dark Violet powder
Passes test
Clear reddish violet solution
>250
<7%
Dark Violet powder
Passes test
Passes test
400
5.89%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane