ZB 21004-1990
Determination method of arsenic in coal-bearing pyrite and pyrite concentrate

Standard No.

ZB 21004-1990

Release Date

1990

Published By

煤炭工业部

Latest

ZB 21004-1990

ZB 21004-1990 history

• 1990 ZB 21004-1990 Determination method of arsenic in coal-bearing pyrite and pyrite concentrate