GB/T 31311-2014
Metallurgical-grade fluorspar.Determination of lead content.Solvent extraction atomic absorption spectrometric method (English Version)

Standard No.

GB/T 31311-2014

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 31311-2014

Scope

This standard specifies the atomic absorption spectrometry method for the determination of lead content in solvent-extracted fluorite. This standard applies to the determination of lead content in metallurgical grade fluorspar, the determination range (mass fraction) is 0.0006%~0.01%.

GB/T 31311-2014 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 31311-2014 history

• 2014 GB/T 31311-2014 Metallurgical-grade fluorspar.Determination of lead content.Solvent extraction atomic absorption spectrometric method