Specification

Appearance	%	White to creamish white, heavy bulky powder
Free Acidity (as H2 SO4	%	0.05(Max)
Manganese (as Mn)	%	0.05(Max)
Iron (as Fe)	%	0.05
Chlorine (as CI)	%	0.005
Loss on Drying	%	0.5(Max)
Subsidence in water	MI/gm	1.0(Max)
Apparent Density	gm/cc	0.8-1.2
Residue on 170 mesh	%	20(max)