DIBASIC SODIUM PHOPHATE

REF.NO: 60-10-026-00

A

FORMULA : Na2HPO4

F. Wt : 141.98

B

                                        SPECIFICATIONS

1

Appearance

White powder

2

IR Spectrum

To match the control curve

3

Assay : HCl titration from Na2HPO4 to NaH2PO4

Min : 99%

4

Insoluble matter

Max : 0.005%

5

Nitrogen as N

Max : 0.001%

6

Heavy metals as Pb

Max : 0.0001%

7

Excess alkali (NaOH)

Max : 1%

8

Sulphides

Max : 0.0003%

9

pH of 3% solution at 250C

9.2 ± 0.2

10

Practical test

Passes the test

C

Quantity of sample required for test

500gms

D

Mode of packing

In a double- layered PE bag closed at the top. The bag is to be kept in a cardboard box. Final packing should withstand the transit hazards.