GB 46771-2025
UpcomingLimitation requirements of harmful elements in graphite and fluorite
石墨和萤石中有害元素限量要求
Application Summary AI generated
This standard specifies the maximum allowable limits for harmful elements such as arsenic, lead, and cadmium in graphite and fluorite ores. It is applied in the mining and mineral processing industries to control the quality of raw materials used in downstream applications, including refractories, metallurgy, and chemical manufacturing. The standard ensures that these minerals meet environmental and safety requirements for domestic and international trade.
Related Standards
GB/T 17513-1998
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GB/T 1873-1995
Phosphate rock and concentrate--Determination of silicon dixide content--Gravimetric and volumetric methods
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Phosphate rock and concentrate--Determination of acid insoluble content--Gravimetric method
GB/T 1872-1995
Phosphate rock and concentrate--Determination of fluorine content--Specific ion electrode method
GB/T 1871.5-1995
Phosphaterock and concentrate--Determination of magnesium oxide content--Flame atomic absorption spectrometric and volumetric methods
GB/T 1871.4-1995
Phosphate rock and concentrate--Determination of calcium oxide content--Volumetric methods
GB/T 1868-1995
Phosphate rock and concentrate--Methods of sampling and preparing sample
GB/T 13551-1995
Phosphate rock and concentrate--Determination of cadmium oxide content--Flame atomic absorption spectrometric method
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