A.

NAME

:

ZINC TETROXY CHROMATE

B.

COLOUR INDEX NAME

:

Y-36.1

C.

COLOUR INDEX NUMBER

:

77964

PROPERTIES

REQUIREMENTS

A.

Volatile matter, % by mass,Max

:

1.0

B.

Oil absorption, Min

:

15

C.

Matter insoluble in ammoniacal Ammonium chloride solution, % by mass,Max

:

0.5

D.

Combined water, % by mass,Max

:

8.0

E.

Chromic anhydride (CrO3),% by mass

:

17 to 19

F.

Total zinc content ( as ZnO),% by mass

:

68.5 to 72

G.

Matter soluble in water, % by mass, ax

:

0.5

H.

Water soluble sulphate(as SO4), % by mass

:

Max. 0.1

I.

Water soluble chlorides(as Cl), % by mass

:

Max. 0.1

J.

Water soluble nitrates(as NO3), % by mass

:

Max. 0.1

E.

Water soluble chromate (as CrO3),% by mass

:

0.25 to 0.50