ALUMINIUM SULPHATE (FERRIC)                               

REF.NO: 60-10-252-00

A

FORMULA: Al2(SO4)3.18H2O

 

B

                                                 SPECIFICATIONS

1

Appearance

Small brown colour lumps, free from visible impurities

2

Water  insoluble

Max : 0.5%

3

Iron as Fe

Max : 0.7%

4

pH of 5% aqueous solution at 20oC

Min : 2.9

5

Assay as Al2O3

Min : 15%

6

Basicity as Al2O3 by mass 

Max : 0.5%

7

Quantity of sample required for test

250 gms

C

Mode of packing

Packed in gunny bag polythene lining inside. Sealed well to prevent atmospheric contamination and final packing should withstand hazards in transit.

D

Other details

1. Batch number, quantity, name of manufacturer and date of manufacture   should be clearly indicated on the bag.
2. For pre-purchase sample test certificate should accompany.

  1. The material should be homogenous within a batch and batch to batch variation should be negligible.