AMMONIUM BROMIDE

REF.NO: 60-10-007-00

A

FORMULA : NH4Br

F. Wt :97.94

B

SPECIFICATIONS

1

Appearance

Colour less crystals

2

Assay

Min : 99%

3

Clarity of 20% solution

Clear and colour less, free from sediments

4

Loss on drying

Max :1 %

5

Insoluble matter

Max : 50 ppm

6

IR spectrum

 To match  the control curve

7

Reducing &oxidising substance

Max : 5 ppm

8

Ignition residue

Max : 0.01%

9

pH of 5 % aqueous solution

4.5 – 6 at 250C

10

Barium

Max : 20ppm

11

Calcium and Magnesium precipitate

Max : 20ppm

12

Chlorides

Max : 0.2%

13

Bromates

Absent to test

14

Iodides

Max : 5ppm

15

Sulphides

Max : 1ppm

16

Resistance to KMnO4

Min  : 10 minutes

17

Sulphates

Max : 0.005%

18

Practical test

Passes the test

C

Quantity of sample required for test

500 gms

D

Mode of packing

To be packed in white polythene bag double layered and heat sealed at the top. This bag is to be covered with      PE / paper/ cardboard drum. Bag should withstand transit hazards.