GB/T 27674-2011 Active National standards

GB/T 27674-2011 Copper,lead and zinc sulfide concentrates—Determination of hygroscopic moisture in the analysis sample—Gravimetric method

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 27674-2011

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: 7 pages

Scope

This standard specifies the determination of moisture content in copper sulfide, lead, and zinc concentrates by the gravimetric method.
This standard is applicable to the determination of moisture content in copper sulfide, lead, and zinc concentrates that do not contain volatile organic flotation reagents (such as kerosene). The measurement range is 0.05% to 2% (mass fraction), and the results are used to correct the analysis results of the moisture-containing samples.
Note: The results of moisture content determination using this standard are not part of the analysis results of the concentrate samples. When it is necessary to determine the moisture content of commercially transported concentrates, refer to the method in ISO 10251. The determination of moisture and moisture-containing water is closely related. In addition, to ensure the correct correction of metal content, the samples in the two determination methods must achieve the same degree of drying.