AMMONIUM CHLORIDE

REF.NO: 60-10-008-00

A

FORMULA: NH4Cl

F. Wt : 53.49

B

                                        SPECIFICATIONS

1

Appearance

Colorless crystals

2

IR spectrum

To match the control curve

3

Assay

Min  : 99%

4

Loss in dying

Max : 1%

5

pH of 5% aqueous solution

4.5 – 5.5 at 250C

6

Ignition residue

Max : 0.01%

7

Reducing &oxidizing substance

Max : 5ppm

8

Barium

Max : 10ppm

9

Bromide

Max : 100ppm

10

Calcium and Magnesium precipitate

Max : 20ppm

11

Sulphides

Max : 10ppm

12

Sulphates

Max : 20ppm

13

Phosphates and Arsenates

Absent to test

14

Insoluble matter

Max : 50ppm

15

Clarity of 5% aqueous solution

Clear, colorless

16

Practical test

Passes the test

C

Quantity of sample required for test

500 gms

D

Mode of packing

To be packed in two layers thick polythene bags and heat sealed. This bag is to be covered by PE/ Paper cover and sealed at the top. The final packing should withstand the transit hazards.