GB/T 6901.9-2004
Chemical analysis of silica refractories-Part 9:Determination of potassium oxide and sodium oxide-Atomic absorption spectrophotometric method (English Version)

Standard No.

GB/T 6901.9-2004

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 determination of potassium oxide and sodium oxide by flame atomic absorption spectrometry. This section applies to the determination of potassium oxide and sodium oxide in siliceous refractory materials. The measurement range (mass fraction) is 0.01% to 0.50%.

GB/T 6901.9-2004 history

• 2017 GB/T 6901-2017 Chemical analysis of silica refractories
• 2008 GB/T 6901-2008 Chemical analysis of silica refractories
• 2004 GB/T 6901.9-2004 Chemical analysis of silica refractories-Part 9:Determination of potassium oxide and sodium oxide-Atomic absorption spectrophotometric method
• 1986 GB/T 6901.9-1986 Silica refractories--Determination of potassium oxide and sodium oxide content--Atomic absorption spectrophotometric method

GB/T 6901.9-2004 Chemical analysis of silica refractories-Part 9:Determination of potassium oxide and sodium oxide-Atomic absorption spectrophotometric method was changed to GB/T 6901-2008 Chemical analysis of silica refractories.

GB/T 6901.9-2004 -All Parts