DB53/T 639.4-2014
Methods for chemical analysis of direct reduced iron - Part 4: Determination of phosphorus content Bismuth phosphomolybdenum blue spectrophotometric method (English Version)

Standard No.

DB53/T 639.4-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Yunnan Provincial Standard of the People's Republic of China

Latest

DB53/T 639.4-2014

Scope

This section specifies the method for the determination of phosphorus content in direct reduced iron. This section applies to the determination of phosphorus content in direct reduced iron. Measuring range (mass fraction): 0.010% ~ 0.50%.

DB53/T 639.4-2014 history

• 2014 DB53/T 639.4-2014 Methods for chemical analysis of direct reduced iron - Part 4: Determination of phosphorus content Bismuth phosphomolybdenum blue spectrophotometric method