SPECIFICATIONS

TITLE : Alumina Ferric
SYNONYM : Alumina Ferric
                      Aluminium Sulphate Octadecahydrate [Al2(SO4)3.18H2O].

MOLECULAR WEIGHT: 666.

PRODUCT CODE: 242.
MOLECULAR FORMULA : Al2(SO4)3
Sr. No. Characteristics Requirement
1 Description Cream to brown coloured liquid.
2 Insoluble matter, percent by mass, Max. 0.25
3 Soluble Iron compounds (as Fe, % by mass, Max.) 0.35
4 Water soluble Aluminium compounds (as Al2O3),
% by mass, Min.
7.50
5 pH (of 10% solution), not less than 2.7
6 Basicity (as Al2O3), % by mass, Max. 0.25
7 Additional Requirements for Material required
For purification of water:
-
8 Lead (as Pb), parts per million, Max. 15
9 Arsenic (as As2O3) parts per million, Max. 3

APPLICATIONS
  • Tanning of leather,
  • Sizing of paper,
  • Water purification,
  • Manufacture of lake pigments,
  • Antiperspirants,
  • Agricultural pesticides,
  • Aluminium resinate & other aluminium salts,
  • Clarifying oil & fats,
  • Treating sewage,
  • Waterproofing concrete
  • Fire-proofing and waterproofing of cloth,
  • Deodorizing and decolorising petroleum products.
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