GB/T 6901.4-2004
Chemical analysis of silica refractories-Part 4:Determination of iron oxide-o-phenanthroline photometric method (English Version)

Standard No.

GB/T 6901.4-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

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

Status

Be replaced 2008-11

Replace By

GB/T 6901-2008

Latest

GB/T 6901-2017

Scope

This part specifies the method for the photometric determination of the amount of iron oxide by o-phenanthroline. This part is applicable to the determination of the amount of iron oxide in siliceous refractories, and the determination range (mass fraction) is 0.050% to 5.00%.

GB/T 6901.4-2004 history

• 2017 GB/T 6901-2017 Chemical analysis of silica refractories
• 2008 GB/T 6901-2008 Chemical analysis of silica refractories
• 2004 GB/T 6901.4-2004 Chemical analysis of silica refractories-Part 4:Determination of iron oxide-o-phenanthroline photometric method
• 1986 GB/T 6901.4-1986 Silica refractories--Determination of iron oxide content-0-phenanthroline photometric method

GB/T 6901.4-2004 Chemical analysis of silica refractories-Part 4:Determination of iron oxide-o-phenanthroline photometric method was changed to GB/T 6901-2008 Chemical analysis of silica refractories.

GB/T 6901.4-2004 -All Parts