Sodium Chloride Powder, Purity : 99 %

Sr.No

Name Of Parameter

Specifications

Result

1

Alkalinity/Acidity

0.5 ml of 0.01 N HCI/0.5 ml of 0.01 N NaOH

0.20ml of 0.01 N HCI

2

Arsenic

Max 1 µg/gm

Nil

3

Barium

Solution Should remain equally clear after standing for 2 hours

Complies

4

Iron

Max. 2 µg/gm

Less than 1 µg/gm

5

Heavy Metal

Max. 5 ppm

Less than 3 ppm

6

Clarity of Solution

Clear & Colorless

Clear& Colorless

7

Magnesium & alkaline-earth metals

0.01% calculated as Calcium

0.0013%

8

Bromide

Max. 0.01%

Less than 0.0030%

9

Ferro Cyanide

No blue colour in ten min

Complies

10

Lodide

No blue colour

Complies

11

Sulphate

Max.0.02%

Less Than 0.009%

12

Phosphate

The test solution should not be more intense than the standard solution (max.0.0025%)

Complies

13

Potassium

Max.0.05%

Less Than 0.018%

14

Loss on drying

Max 0.5% @ 105ºC for 2hr

0.19%

15

Assay Dry Basis

99.0% to 100.5%

99.32%