CERTIFICATE OF ANALYSIS
Product Name DIPHENYL THIOCARBAZONE AR (dithizone) CAS Number 60-10-6
Molecular Formula C S 13 H 12 N 4 Catalogue No. AL1934
Molecular Weight 256.32 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Assay
Specific Absorption (A at 605 nm; 1%; 1cm; chloroform)
Relative absorption (A 605 nm /445 nm; chloroform)
Sulphated ash
Heavy metals (as Pb)
Black powder
Min. 98.0%
Min. 1522
Min. 2.4
<0.2%
<0.001%
Black powder
98.67%
1541.6
2.52
<0.2%
<0.001%
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane