GB/T 27679-2011 Active National standards

GB/T 27679-2011 Copper,lead,zinc and nickel concentrates—Experimental methods for checking the precision of sampling

Publish Date: 2011-12-30 Implement Date: 2012-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 27679-2011

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Heavy metal mines

ICS Name: Non-ferrous metals comprehensive

Publish Date: 2011-12-30

Implement Date: 2012-10-01

Pages: 15 pages

Scope

This standard specifies the inspection methods for the precision of copper, lead, zinc, and nickel concentrates, including sampling, sample processing, chemical analysis, physical testing, and moisture determination. According to ISO 12743, the precision is expressed in the form of standard deviation.