GB/T 4325.23-2013
Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method (English Version)

Standard No.

GB/T 4325.23-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

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

Latest

GB/T 4325.23-2013

Replace

GB/T 4325.25-1984 GB/T 4325.26-1984

Scope

This part of GB/T 4325 specifies the simultaneous determination of oxygen and nitrogen in molybdenum by the inert gas fusion infrared absorption method-thermal conductivity method. This section applies to the determination of oxygen and nitrogen in molybdenum. Measuring range: Oxygen 0.000 5%~1.00%; Nitrogen 0.000 5%~0.020%.

GB/T 4325.23-2013 history

• 2013 GB/T 4325.21-2013 Methods for chemical analysis of molybdenum.Part 21:Determination of carbon content and sulfur content.High frequency combustion-infrared absorption method
• 1984 GB/T 4325.23-1984 Methods for chemical analysis of molybdenum--The combustion-conductometric titration method for the determination of sulphur content

GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method has been changed from GB/T 4325.25-1984 Methods for chemical analysis of molybdenum--The inert gas fusion-coulometric titration method for the determination of oxygen content.

GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method has been changed from GB/T 4325.26-1984 Methods for chemical analysis of molybdenum--The nessler reagent photometric method for the determination of nitrogen content.

GB/T 4325.23-2013 -All Parts