GB/T 30049-2013
Test method for washability of coal core sample (English Version)

Standard No.

GB/T 30049-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

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

Latest

GB/T 30049-2013

Scope

This standard specifies the coal samples, instruments, equipment and test methods for sieving, floating and sinking, and laboratory unit flotation for the optional test of coal core coal samples. This standard applies to coal core coal samples of bituminous coal and anthracite.

GB/T 30049-2013 Referenced Document

• GB/T 16417 Method for evaluating the washability of coal
• GB/T 4757 Methods for the batch flotation testing of fine coal
• GB/T 477 Method for size analysis of coal
• GB/T 478 Method for float and sink analysis of coal
• GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*， 2022-10-12 Update
• GB/T 6005 Test sieves.Metal wire cloth,perforated metal plate and electroformed sheet.Nominal sizes of openings

GB/T 30049-2013 history

• 2013 GB/T 30049-2013 Test method for washability of coal core sample