CERTIFICATE OF ANALYSIS

Product Name	CHROMOTROPIC ACID DISODIUM SALT AR/ACS	CAS Number	5808-22-0
Molecular Formula	C 10 H 6 Na O 2 O 8 S 2 .2H 2	Catalogue No.	AL1386
Molecular Weight	400.29	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Assay Water Sulphated ash Sulphate (SO4) Suitability for detection of formaldehyde Suitability for detection of nitrate	White to brown powder (Min.) 98.5% <9.5% 35 to 36% <0.002% Passes test Passes test	White to brown powder 98.85% 9% 35.5% <0.002% Passes test Passes test

Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane