SGS & Company

Sr.

Specification

PAC Powder

1

Appearance

Pale White Powder

2

Aluminum as Al2O3 % by mass, min

28 to 30

3

Basicity, percent by mass, min

35

4

Chloride as cl, percent by mass, max

33.0

5

Sulphate as SO4,percent by mass, max

10.0

6

Bulk Density, gm/ml, Min

0.65

7

Toxic Substances, ppm, max

i) Mercury (as Hg)

ii) Arsenic (as As)

iii) Cadmium (as Cd)

iv) Lead (as Pb)

iv) Iron (as Fe and Manganese

as Mn)

vi) Chromium (as Cr)

0.7

15.5

18

90

300

45

8

Insoluble, Percent by mass, Max

0.5

9

pH (5% Soln.), w/v

2.5-4.6