GB/T 31312-2014
Metallurgical grade fluorspar.Determination of antimony content.Solvent extraction atomic absorption spectrometric method (English Version)

Standard No.

GB/T 31312-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

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

Latest

GB/T 31312-2014

Scope

This standard specifies the solvent extraction atomic absorption spectrometry method for the determination of antimony content in metallurgical grade fluorspar. This standard applies to metallurgical grade fluorspar products with an antimony content equal to or greater than 0.0010% (mass fraction).

GB/T 31312-2014 Referenced Document

• GB/T 22564 Fluorspar.Sampling and sample preparation
• GB/T 6005 Test sieves.Metal wire cloth,perforated metal plate and electroformed sheet.Nominal sizes of openings
• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 31312-2014 history

• 2014 GB/T 31312-2014 Metallurgical grade fluorspar.Determination of antimony content.Solvent extraction atomic absorption spectrometric method