ZB D21004-1990
Determination method of arsenic in coal measure pyrite and sulfur concentrate (English Version)

Standard No.

ZB D21004-1990

Language

Chinese, Available in English version

Published By

Professional Standard - Speciality

Status

Be replaced 1999-08

Replace By

MT/T 802.4-1999

Latest

MT/T 802.4-1999

ZB D21004-1990 history

• 1999 MT/T 802.4-1999 Determination of arsenic of pyirte and concentrated pyrite in coal seam
• 1970 ZB D21004-1990 Determination method of arsenic in coal measure pyrite and sulfur concentrate

ZB D21004-1990 Determination method of arsenic in coal measure pyrite and sulfur concentrate was changed to MT/T 802.4-1999 Determination of arsenic of pyirte and concentrated pyrite in coal seam.