Molecular formula: [Fe2(OH)n(SO4)3-n/2]m Shape and property: light yellow formless powdery Solid , 10% (Wt.) Aq. solution is red brown transparent Solution
Properties
( GB14591-93 )
Item
Value
Total iron , % , ≥
19.0
Reductive matter ( as Fe2+) % , ≤
0.15
Basicity , %
6.0-14.0
PH (1% Aq. solution )
2.0-3.0
As , % , ≤
0.0008
Pb , % , ≤
0.0015
Insoluble matter , % , ≤
0.5
Uses
Used in the purification of drink water, industrial water, sewage, city waste water and mud water
Uses & cautions
1 , Dosage 5-30%
2 , Kept in dry place, avoid moisture and heat(< 80°C) . No breakage
3 , It should be dissolved first, the container should be anticorrosive materials.
Packing
Net wt. 25kg in non-toxic PE plastic bag lined woven bag.