GB/T 24233-2009
Manganese and chromium ores.Experimental methods for evaluation of quality variation and methods for checking the precision of sampling (English Version)

Standard No.

GB/T 24233-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

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

Latest

GB/T 24233-2009

Scope

This standard specifies the test methods for assessing quality fluctuations of natural or processed manganese and chromium ores, and the definition of sampling procedures for quantitative system sampling and secondary sampling used in related standards. At the same time, it also stipulates the test method for checking the sampling precision of quantitative system sampling and secondary sampling.

GB/T 24233-2009 Referenced Document

• GB/T 24243 Chromium ores.Increment sampling
• ISO 4296-1 Manganese ores; Sampling; Part 1 : Increment sampling
• ISO 4296-2 Manganese ores; Sampling; Part 2 : Preparation of samples

GB/T 24233-2009 history

• 2009 GB/T 24233-2009 Manganese and chromium ores.Experimental methods for evaluation of quality variation and methods for checking the precision of sampling