Rajat Potassium Bicarbonate, Classification : Ingredients Intermediates

1.

Item

POTASSIUM BI CARBONATE

2.

Chemical formula

KHCO₃

3

Color/ appearance

White crystalline powder

4

Taste

Saline and feebly alkaline

5

Odor

Odorless

6

Solubility

Complies with I.P.66 (2.8 parts of water; practically insoluble in alcohol (90 per cent)

7

Identification

Gives the reaction of Potassium, Carbonates and Bicarbonates

8

pH of 1.0% w/v Solution

8.3 – 8.6 (limit max. 8.6)

9

Sodium

Complies with I.P.66

10

Lead

Not More Than  2 ppm

11

Copper

Not More Than  30 ppm

12

Arsenic

Not More Than  2 ppm

13

Tin

Not More Than  250 ppm

14

Cadmium

Not More Than  1.5 ppm

15

Mercury

Not More Than  1 ppm

16

Methyl Mercury - calculated as the element

Not More Than  0.25 ppm

17

Iron

Not More Than  5 ppm

18

Normal carbonates

Complies with U.S.P. (less than 2.5%)

19

Chloride

Complies with I.P.66 – Not More Than  5 ppm

20

Sulphate

Complies with I.P.66– Not More Than  5 ppm

21

Calcium aluminum & insoluble matters

Not More Than  1000 ppm

22

Assay

99.0% w/w minimum.

23

Loss on Drying (%w/w) (Free moisture)

Complies with U.S.P. (less than 0.30%)

24

Particle Size (%w/w)

Retained on 18 mesh (BSS) SS sieve

Nil

Particle size can be further reduced to specific needs of customers

25

Clarity and colour of solution (10% w/v)

Clear and colourless