A.

NAME

:

ZINC PHOSPAHTE

B.

COLOUR INDEX NAME

:

W - 32

C.

COLOUR INDEX NUMBER

:

77956

D.

FORMULA

:

Zn3 (PO4)2 2H2O

E.

M.W.

:

422.0876

PROPERTIES

REQUIREMENTS

A.

APPEARANCE

:

WHITE POWDER

B.

% WATER SOLUBLE

:

MAX. 0.5

C.

PH OF 10% SUSPENSIUM

:

6 - 8

D.

RESIDUE ON 240 MESH

:

MAX. 0.5%

E.

OIL ABSORPTION

:

17 - 21

F.

LOSS ON IGNITION

:

8.5 – 10%

G.

SPECIFY GRAVITY AT 30 DEG. C

:

3.31 – 3.33

H.

Zn CONTACT ON IGNITION

:

50.5 – 51.5%

I.

SUM OF CHLORIDE CONTENT & SULPHATE CONTENT

:

MAX. 0.01

J.

SPECIFIC USISTANCE OF OQUESUS EXTRACT

:

MIN. 320 K GRAMS.