GB/T 9739-2006
Chemical reagent.General method for the determination of iron (English Version)

Standard No.

GB/T 9739-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

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

Latest

GB/T 9739-2006

Replace

GB/T 9739-1988

Scope

This standard specifies the general method for the colorimetric determination of iron with 1,10-phenanthroline. This standard applies to the determination of trace iron in chemical reagents. The detection range of visual colorimetry is 0.04 μg/mL-2 μg/mL (calculated as Fe), and the detection range of spectrophotometric method is 0.08 μg/mL-2 μg/mL (calculated as Fe).

GB/T 9739-2006 Referenced Document

• GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
• GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
• GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update
• GB/T 9721 chemical reagent General rules for the molecular absorption spectrophotometry (ultraviolet and visible)

GB/T 9739-2006 history

• 2006 GB/T 9739-2006 Chemical reagent.General method for the determination of iron
• 1988 GB/T 9739-1988 Chemical reagent--General method for the determination of iron