YB/T 547.4-2014
Vanadium slag.Determination of phosphorus conten.Bismuth phosphomolybdate blue spectrophotometric method (English Version)

Standard No.

YB/T 547.4-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Ferrous Metallurgy

Latest

YB/T 547.4-2014

Replace

YB/T 547.4-1995

Scope

This section specifies the bismuth phosphorus molybdenum blue spectrophotometric method for the determination of phosphorus content. This section is applicable to the determination of phosphorus content in vanadium slag, determination range (mass fraction): 0.050%~0.800%.

YB/T 547.4-2014 Referenced Document

• GB/T 12806 Laboratory glassware.One-mark volumetric flasks
• GB/T 12808 Laboratory glass instrument single marked line pipette*， 2016-07-01 Update
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
• YB/T 008 Vanadium slag

YB/T 547.4-2014 history

• 2014 YB/T 547.4-2014 Vanadium slag.Determination of phosphorus conten.Bismuth phosphomolybdate blue spectrophotometric method
• 1995 YB/T 547.4-1995 Methods for chemical analysis of vanadium slag The alkalimetric and reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content