CERTIFICATE OF ANALYSIS

Product Name POTASSIUM SODIUM TARTRATE TETRAHYDRATE AR/ACS CAS Number 6381-59-5
Molecular Formula C 4 H 4 KNaO 6 .4H 2 O Catalogue No. AL3780
Molecular Weight 282.22 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay
pH (5% solution 20°C)
Chloride (Cl)
Sulphate (SO4)
Phosphate
Total nitrogen (N)
Heavy metals (as Pb)
Iron (Fe)
Calcium (Ca)
Reducing substance
Colorless crystalline powder
(Min.) 99.0%
7.0 - 8.5
<0.001%
<0.005%
<0.001%
<0.002%
<0.0005%
<0.0005%
<0.004%
Passes test
Colorless crystalline powder
99.58%
7.5
0.0008%
0.004%
<0.001%
0.001%
0.0004%
0.00045%
0.003%
Passes test
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur