HB 5422.14-1989
Copper Alloy Chemical Analysis Method Nitroso-R Salt Absorption Spectrophotometry Determination of Cobalt Content (English Version)

Standard No.

HB 5422.14-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Latest

HB 5422.14-1989

Scope

This standard specifies the method principle, reagents, instruments, analysis steps, drawing of working curves, calculation of analysis results and allowable differences for the determination of cobalt content in copper alloys using nitroso-R salt absorbance photometry. This standard applies to the determination of cobalt content in beryllium bronze. Measuring range: 0.15% ~ 2.60%

HB 5422.14-1989 history

• 1989 HB 5422.14-1989 Copper Alloy Chemical Analysis Method Nitroso-R Salt Absorption Spectrophotometry Determination of Cobalt Content