Certificate of Analysis

Product Name BES BUFFER 99% For Biochemistry
CAS Number 10191-18-1
Molecular Formula C6H15NO5S
Catalogue No. AL1911B
Molecular Weight 213.25 g/mol
Batch Number AL-2026-AL1911B
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay (Alkalimetric) 99 % min. 99.9%
Identity (IR) Passes test Passes test
UV-Absorption (250nm,5%,1cm,water) 0.05 max 0.013
Chloride (Cl) 0.005%max <0.005%
Sulphate (SO4) 0.005%max <0.005%
Heavy metals (as Pb) 0.0005%max <0.0005%
Sodium (Na) 0.01%max <0.01%
Loss on drying (105 0c) 0.5%max 0.09%
Biological buffer pka at 20 0c 7.15 7.15
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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