HB 5220.20-1995
Chemical Analysis Method of Superalloys Chromoazurin S Absorption Spectrophotometry Determination of Aluminum Content (English Version)

Standard No.

HB 5220.20-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Aviation

Status

Be replaced 2008-10

Replace By

HB 5220.20-2008

Latest

HB 5220.20-2008

Replace

HB 5220.10(2)-82

Scope

This standard specifies the method summary, reagents, analysis steps, drawing of working curves, calculation of analysis results and allowable differences for the determination of aluminum content in high-temperature alloys using chromium azure S absorbance photometry. This standard is applicable to the determination of aluminum content in high-temperature alloys.

HB 5220.20-1995 history

• 2008 HB 5220.20-2008 Methods for chemical analysis of superalloys. Part 20: Determination of aluminum content by chrome azurol S photometric method
• 1995 HB 5220.20-1995 Chemical Analysis Method of Superalloys Chromoazurin S Absorption Spectrophotometry Determination of Aluminum Content
• 1982 HB 5220.20-1982 Determination of Cerium Amount in Superalloy