HB 5220.21-1995
Determination of molybdenum content by EDTA volumetric method for chemical analysis of superalloys (English Version)

Standard No.

HB 5220.21-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Aviation

Status

Be replaced 2008-10

Replace By

HB 5220.21-2008

Latest

HB 5220.21-2008

Replace

HB 5220.11(1)-82

Scope

This standard specifies the method summary, reagents, analysis steps, calculation and tolerance of analysis results for the determination of molybdenum content in superalloys using the EDTA volumetric method. This standard is applicable to the determination of molybdenum content in high-temperature alloys.

HB 5220.21-1995 history

• 2008 HB 5220.21-2008 Methods for chemical analysis of superalloys.Part 21: Determination of molybdenum content by EDTA volumetric method
• 1995 HB 5220.21-1995 Determination of molybdenum content by EDTA volumetric method for chemical analysis of superalloys
• 1982 HB 5220.21-1982 Determination of Total Rare Earth (Cerium) in Superalloys