GB/T 21994.7-2008
Chemical analysis of magnesium fluoride.Part 7:Determination of iron content.Orthophenantholine photometric method (English Version)

Standard No.

GB/T 21994.7-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

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

Latest

GB/T 21994.7-2008

Scope

This part specifies the method for the determination of the amount of ferric oxide in magnesium fluoride. This section applies to the determination of ferric oxide in magnesium fluoride. Measuring range: ≤1.20﹪.

GB/T 21994.7-2008 Referenced Document

• GB/T 21994.1-2008 Chemical analysis of magnesium fluoride.Part 1:Preparation and storage of test samples

GB/T 21994.7-2008 history

• 2008 GB/T 21994.7-2008 Chemical analysis of magnesium fluoride.Part 7:Determination of iron content.Orthophenantholine photometric method

GB/T 21994.7-2008 -All Parts