GB/T 2441.4-2010
Determination of urea-Part 4:Iron content-1,10-Phenanthroline spectrophotometric method (English Version)

Standard No.

GB/T 2441.4-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

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

Latest

GB/T 2441.4-2010

Replace

GB/T 2441.4-2001

Scope

This part of GB/T 2441 specifies the determination of iron content in industrial urea by o-phenanthroline spectrophotometry. This section applies to the determination of iron content in urea synthesized from ammonia and carbon dioxide.

GB/T 2441.4-2010 Referenced Document

• HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis

GB/T 2441.4-2010 history

• 2010 GB/T 2441.4-2010 Determination of urea-Part 4:Iron content-1,10-Phenanthroline spectrophotometric method
• 2001 GB/T 2441.4-2001 Determination of urea Determination of iron content 1,10-Phenanthroline spectrophotometric method

GB/T 2441.4-2010 -All Parts