GB/T 8639.5-1988
Vanadium--Determination of iron content--Isoamyl alcohol extraction spectrophotometric method (English Version)

Standard No.

GB/T 8639.5-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Withdraw 2007-09

Latest

GB/T 8639.5-1988

Replace By

YS/T 540.5-2006

Scope

This standard applies to the determination of the amount of iron in vanadium metal. Measuring range: 0.0040% to 0.03%.

GB/T 8639.5-1988 history

• 1988 GB/T 8639.5-1988 Vanadium--Determination of iron content--Isoamyl alcohol extraction spectrophotometric method

GB/T 8639.5-1988 Vanadium--Determination of iron content--Isoamyl alcohol extraction spectrophotometric method was changed to YS/T 540.5-2006 Vanadium chemical analysis method isoamyl alcohol extraction spectrophotometric determination of iron content.

GB/T 8639.5-1988 -All Parts