Item

Superior Class Product

Ist Class Product

Qualified

Content of Antimony ％

54-56

53-55

53-55

Chloride　％≤

0.002

0.003

0.01

Iron　％≤

0.001

0.002

0.003

Arsenic　％≤

0.003

0.004

0.005

Lead　％≤

0.002

0.003

0.004

Sulfate　％≤

0.001

0.003

0.005

Insolubility(in glyucol at　80°)

Colorless and transparent

Colorless and transparent

Colorless and transparent