General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 29875-2013
範囲
This standard specifies the determination methods for lead, arsenic and mercury in phosphate rock and phosphate concentrate. This standard applies to the determination of lead content greater than 0.0010%, arsenic content greater than 0.0002%, and mercury content greater than 0.00001% in phosphate rock and phosphate concentrate.