AMMONIUM SULPHATE                                                  

REF.NO: 60-10-012-00

A

FORMULA  : (NH4)2SO4

F. Wt : 132.14

B

                                        SPECIFICATIONS

1

Appearance

Colour less or White crystals/ granules

2

Clarity of 10% aqueous solution

Clear and colour less

3

Assay

Min  :99.5%

4

Insoluble matter

Max : 0.005%

5

Residue  after ignition

Max :0.005%

6

pH of 5% aqueous solution at 25oC

5.0 -6.0

7

Chlorides

Max : 5 ppm

8

Nitrates

Max : 10 ppm

9

Phosphates

Max : 5ppm

10

Heavy metals as Pb

Max : 5ppm

11

Practical test

Passes the test

C

Quantity of sample required for test

500 gms

D

Mode of packing

To be packed in polythene bag and in a PE container closed air tight. The container should have polythene insert and a polythene screw cap.