HB 5220.17-1995
Chemical analysis methods of superalloys Tantalum reagent-chloroform extraction Absorptiometry Determination of vanadium content (English Version)

Standard No.

HB 5220.17-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Aviation

Status

Be replaced 2008-10

Replace By

HB 5220.17-2008

Latest

HB 5220.17-2008

Replace

HB 5220.8(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 vanadium content in superalloys using tantalum reagent-chloroform extraction absorbance photometry. This standard is applicable to the determination of vanadium content in high-temperature alloys.

HB 5220.17-1995 history

• 2008 HB 5220.17-2008 Methods for chemical analysis of superalloys. Part 17: Determination of vanadium content by N-benzyl-N-phenylhydroxylamine-chloroform extraction photometric method
• 1995 HB 5220.17-1995 Chemical analysis methods of superalloys Tantalum reagent-chloroform extraction Absorptiometry Determination of vanadium content
• 1982 HB 5220.17-1982 Determination of niobium content in superalloys