GB/T 223.59-2008
Iron,steel and alloy.Determination of phosphorus content.Bismuth phosphomolybdate blue spectrophotometic method and antimony phosphomolybdate blue spectruophotometric method (English Version)

Standard No.

GB/T 223.59-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 223.59-2008

Replace

GB/T 223.59-1987

Scope

Warning: Personnel using this part of GB/T 223 should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 223 specifies the determination of phosphorus content by bismuth phosphomolybdenum blue spectrophotometry and antimony phosphomolybdenum blue spectrophotometry. This part is applicable to the determination of phosphorus content in pig iron, cast iron, iron powder, carbon steel, low alloy steel and alloy steel, but not applicable to steel containing niobium and tungsten. The measurement range of method one is 0.005% to 0.300% by mass fraction, and the measurement range of method two is 0.01% to 0.06% by mass fraction.

GB/T 223.59-2008 history

• 2008 GB/T 223.59-2008 Iron,steel and alloy.Determination of phosphorus content.Bismuth phosphomolybdate blue spectrophotometic method and antimony phosphomolybdate blue spectruophotometric method
• 1987 GB/T 223.59-1987 Methods for chemical analysis of iron,steel and alloy--The reduced molybdoantimonyl phosphoric acid photometric method for the determination of phosphorus content

GB/T 223.59-2008 -All Parts