GB/T 27679-2011 in English
VALIDCopper,lead,zinc and nickel concentrates—Experimental methods for checking the precision of sampling
- Issued on:2011-12-30
- Implemented on:2012-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
《GB/T 27679-2011铜、铅、锌和镍精矿 检查取样精密度的实验方法》由TC243(全国有色金属标准化技术委员会)归口,TC243SC2(全国有色金属标准化技术委员会重金属分会)执行,主管部门为中国有色金属工业协会。
Scope
WARNING: Materials, practices, and equipment covered by this standard may be hazardous. It is the responsibility of the person to whom this standard applies to establish suitable health and safety conditions and determine applicable limitations prior to use. This standard specifies the precision inspection methods for copper, lead, zinc and nickel concentrate sampling, sample treatment, chemical analysis, physical testing and moisture determination. According to the provisions of IS0 12743, the precision is expressed in the form of standard deviation.

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