HB 5220.33-1995
Method for chemical analysis of superalloys Tetraphenylarsenic chloride hydrochloride gravimetric method for determination of niobium content (English Version)

Standard No.

HB 5220.33-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Aviation

Status

Be replaced 2008-10

Replace By

HB 5220.33-2008

Latest

HB 5220.33-2008

Replace

HB 5220.17(1)-82

Scope

This standard specifies the method summary, reagents, analysis steps, calculation of analysis results and allowable differences for the determination of niobium content in superalloys using the tetraphenyl arsenic chloride gravimetric method. This standard is applicable to the determination of niobium content in high-temperature alloys.

HB 5220.33-1995 history

• 2008 HB 5220.33-2008 Methods for chemical analysis of superalloys. Part 33: Determination of niobium content by tetraphenyl arsonium chloride hydrochloride gravimetric method
• 1995 HB 5220.33-1995 Method for chemical analysis of superalloys Tetraphenylarsenic chloride hydrochloride gravimetric method for determination of niobium content