氯化钙 74%

INSPECTION ITEM

QUALITY STANDARD

METHOD

RESULT

APPEARANCE

White flake

visual observation

White flake

CaCl2 w% ≥

74.0

Titration

78.70

Ca(OH)2 w% ≤

0.20

Titration

0.10

NaCl w/% ≤

5.0

Weighing

2.2

Water insoluble matter

w/% ≤

0.15

Weighing

0.07

Fe w/% ≤

0.006

Atomic absorption

0.002

MgCl2 w/% ≤

0.5

Titration

0.3

CaSO4 w/% ≤

0.05

Weighing

0.02

PH Value

7.5-11.0

Acidimeter

9.2