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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