CERTIFICATE OF ANALYSIS

Product Name SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE Extra Pure CAS Number 13472-35-0
Molecular Formula NaH O 2 PO 4 .2H 2 Catalogue No. AL4245
Molecular Weight 156.01 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay
pH of 5% water solution
Chloride (Cl)
Fluoride (F)
Hydrogen phosphate (HPO4)
Sulphate (SO4)
Heavy metals (as Pb)
Arsenic (As)
Lead (Pb)
Iron (Fe)
Calcium
Copper (Cu)
Magnesium (Mg)
Zinc (Zn)
Substance reducing KMnO4
Loss on drying (130°C)
A colorless crystal
Min. 98.0%
4.2 - 4.5
<0.005%
<0.001%
<0.5%
<0.02%
<0.0005%
<0.0002%
<0.0005%
<0.001%
<0.005%
<0.0025%
<0.005%
<0.0025%
<0.04%
21.5-24.0%
A colorless crystal
98.62%
4.44
0.004%
<0.001%
0.39%
<0.02%
0.0005%
0.0001%
0.0003%
0.00082%
<0.001%
0.001%
0.004%
<0.0025%
<0.04%
22.1%
Result: The above product complies with EP grade

Tested By
Hitesh Kunjathur