COLOUR (INDEX PLATINUM COBALT)

20 MAX.

PURITY

85% MIN.

DILUTING TEST (ACID+WATER=1+3)

CLEAR

CHLORIDES

0.005% MAX.

SULFATES (AS SO₄)

0.002% MAX.

METALS (AS Fe)

0.0005% MAX.

NONVOLATILIES

0.020% MAX.