SR.NO

PARAMETERS

SPECIFICATION LIMITS

1

Description

Soda Ash is a white, uniform product, free from dirt and other foreign matter.

2

Chemical Name

Sodium Carbonate

3

Bulk Density

500-650 kg/m3

5

Volatile matter Content

2% max. at the time of manufacture and packing

6

Chemical Formula

Na₂Co₃

7

Molecular weight

106

8

Specification No. IS:251:1982 (% by mass

ISI Specification     Typical Specification

9

Total Alkalinity as Na₂Co₃ (min

      98.5 (min)                   99.00%

10

Chlorides as NaCl (max)

 10.0(max)                    0.4 to 0.6%

11

Sulphates as Na₂SO₄ (max)

     0.08 (max)                    0.02%

12

Matter insoluble in water (max)

    0.15 (max)                    0.03%

13

Iron as Fe₂O₃

   0.007 (max)                   0.002%