TEST ITEM

STANDARD SPECIFICATIONS

CHARACTERS

A WHITE, ALMOST ODOURLESS, CRYSTALLINE POWDER OR PRILL

APPEARANCE OF SOLUTION

CLARITY

COLOUR

Y6

ACIDITY OR ALKALINITY ML/G

0.2MAX

IONISED CHLORINE

200 PPM MAX

TOTAL CHLORIDE

300 PPM MAX

HEAVY METALS(IN TERMS OF LEAD)

10 PPM MAX

ARSENIC:

3 ppm MAX

LEAD:

2 ppm MAX

MERCURY:

1 ppm MAX

READILY OXIDISABLE SUBSTANCES

POSITIVE

POLYCYCLIC ACIDS

POSITIVE

LOSS ON DRYING % (m/m):

1.5% MAX

ASSAY % (m/m):

99.0%-100.5%