Index Name
High Grade
First Class
Standard

Total Alkalinty (as Na2CO3%)
99.2
98.8
98.0

Chloride(as Nacl)
0.7
0.9
98.0

Iron(Fe)
0.004
0.008
0.010

Water insoluble
0.04
0.10
0.15

Loss on ignition
0.8
1.0
1.3


SODA ASH STORAGE AND TRANSPORTATION
Soda ash should be stored under cover in a cool, dry place; the bags should not be stacked more than 15 bags high