YS/T 574.4-2009
Methods for chemical analysis of zirconium powder for electro-vacuum uses.The molybdenum blue spectrophotometric method for determination of phosphorus (English Version)

Standard No.

YS/T 574.4-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 574.4-2009

Replace

YS/T 574.4-2006

Scope

This section specifies the method for determination of phosphorus content in zirconium powder. This section applies to the determination of phosphorus content in zirconium powder for electric vacuum. Determination range (mass fraction): 0.001%-0.010%.

YS/T 574.4-2009 history

• 2009 YS/T 574.4-2009 Methods for chemical analysis of zirconium powder for electro-vacuum uses.The molybdenum blue spectrophotometric method for determination of phosphorus
• 2006 YS/T 574.4-2006 Determination of Phosphorus by Electrovacuum Zirconium Powder Chemical Analysis Method Molybdenum Blue Photometry