HB 5422.21-1989
Chemical Analysis Methods of Copper Alloys Phosphorus Vanadium Molybdenum Yellow Absorption Spectrophotometry Determination of Phosphorus Content (Ⅱ) (English Version)

Standard No.

HB 5422.21-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Latest

HB 5422.21-1989

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 phosphorus content (II) in copper alloys using phosphorus vanadium molybdenum yellow absorbance photometry. This standard applies to the determination of phosphorus content in tin bronze. Measuring range: 0.030% ~ 1.20%.

HB 5422.21-1989 history

• 1989 HB 5422.21-1989 Chemical Analysis Methods of Copper Alloys Phosphorus Vanadium Molybdenum Yellow Absorption Spectrophotometry Determination of Phosphorus Content (Ⅱ)