Items

Specification

Typical analysis

Content(MgO) after ignition

%

Not Less than 96.0

99.0

Identification

･White or similar white odorless powder

･It's slightly soluble in water and is weak alkaline.

･It's easy to dissolve in dilute hydrochloric acid.

Passing

Water Soluble Matter

%

Not more than 2.0

0.58

Acid Insoluble Matter

%

Not more than 1.0

0.06

Free Alkali

To pass test

Passing

Heavy Metals

ppm

Not more than 20.0

10.0

Calcium　Oxide

%

Not more than 1.5

0.03

Arsenic

ppm

Not more than 4.0

1.0

Loss on Ignition (1g /1000℃/30min)

%

Not more than 10.0

0.69