CERTIFICATE OF ANALYSIS

Product Name POTASSIUM HYDROGEN TARTRATE Extra Pure CAS Number 868-14-4
Molecular Formula C 4 H 5 KO 6 Catalogue No. AL3651
Molecular Weight 188.18 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay
pH (cold saturated solution)
Chloride (Cl)
Oxalate (C2O4)
Sulphate (SO4)
Heavy metals (as Pb)
Ammonium (NH4)
Arsenic (As)
Barium (Ba)
Lead (Pb)
Calcium (Ca)
Iron (Fe)
Copper (Cu)
Zinc (Zn)
Loss on drying at 105°C
A white powder
99.5 - 100.2%
3.4 - 3.7
<0.02%
<0.05%
<0.008%
<0.001%
<0.005%
<0.0001%
<0.15%
<0.001%
<0.01%
<0.002%
<0.0025%
<0.0025%
<0.5%
A white powder
99.93%
3.5
0.01%
0.04%
0.007%
<0.001%
0.004%
<0.0001%
0.09%
<0.001%
<0.01%
0.001%
0.0011%
0.001%
<0.5%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur