GJB 5404.7-2005
Analysis methods for trace elements in super alloys Part 7: Determination of indium content by benzene extraction crystal violet spectrophotometric method after separation of butyl acetate extraction (English Version)

Standard No.

GJB 5404.7-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

Latest

GJB 5404.7-2005

Scope

This part specifies the principle, reagents, instruments, analysis steps, result calculation and tolerance for the determination of indium content in superalloys by butyl acetate extraction separation-benzene extraction crystal violet spectrophotometry. This section applies to the determination of indium content in superalloys. Measuring range: 0.00005% to 0.010%.

GJB 5404.7-2005 Referenced Document

• GB/T 222 Permissible tolerances for chemical composition of steel products*， 2006-02-05 Update

GJB 5404.7-2005 history

• 2005 GJB 5404.7-2005 Analysis methods for trace elements in super alloys Part 7: Determination of indium content by benzene extraction crystal violet spectrophotometric method after separation of butyl acetate extraction