POTASSIUM BROMIDE                                                   

REF.NO: 60-10-066-00

A

FORMULA : KBr

F. Wt : 119.00

B

                                            SPECIFICATIONS

1

Appearance

Colour less crystals

2

Assay as KBr

Min : 99%

3

Clarity of 25% aqueous solution

a. Clear and colour less free from any extraneous matter like black or white particles or floating and suspended impurities or dust particles
b. There should not be any turbidity or opalescence
c. There should not be any froth or stable foam

4

pH of 5% aqueous solution

5-8.8

5

IR spectrum

Comparable with control

6

Reducing or oxidizing substances

Max : 5ppm

7

Barium

Max : 20 ppm

8

Ca & Mg  ppt

Max : 50 ppm

9

Chloride

Max : 0.2 %

10

Iodide

Max: Max : 5ppm

11

Iodine number at 20oC

Max : 0.4 ml of 0.01 N I2/ 100 gms

12

Sulphides

Max : 1 ppm

13

Moisture

Max: 0.6%

14

Sulfate

Max :0.005%

15

Magnesium

Max : 0.005%

16

Heavy metals  as Pb

Max :0.0005

17

Iron

Max : absent to test

18

Bromates

Absent to test

19

Resistance to KMnO4

Min : 10 minutes

C

Quantity of sample required for test

1 kg

D

Mode of packing

To be packed in thick PE bags double layered & heat –sealed and kept inside cardboard drums.