Description	White powder free from dirt and other foreign matter
Specification	• Conforming IS 251 – 1982 method. • Total alkalinity as Na2CO3 : 98.5 % (min, w/w) • Chlorides as NaCl : 1.0 % (max, w/w) • Sulfates as Na2 SO4 : 0.08 % (max, w/w) • Insoluble : 0.15 % (max, w/w) • Iron as Fe2O3 : 0.007 % (max, w/w)