Iron ores for shaft direct-reduction feedstocks -- Determination of the low-temperature reduction-disintegration index and degree of metallization
发布日期:2007-10-01 实施日期:2007-10-01
Technical specification for safety management of solid sodium cyanide in gold industry
发布日期:2012-12-28 实施日期:2013-06-01
Methods for chemical analysis of tungsten ores and molybdenum ores--Determination of silver content--Flame atomic absorption spectrometric method after methyl-iso-butyl ketone extraction
发布日期:1993-05-12 实施日期:1994-02-01
Phosphate rock and concentrate--Determination of cadmium oxide content--Flame atomic absorption spectrometric method
发布日期:1995-12-20 实施日期:1996-08-01
Determination of arsenic and mercury content in manganese ore-Microwave digestion-atomic fluorescence spectrometry method
发布日期:2013-11-06 实施日期:2014-06-01
Non metallic mineral products vocabulary - Part 2: Talc
发布日期:2013-05-07 实施日期:2013-12-01
Tilting wagon for metallic mines--Basic parameters and dimensions
实施日期:1982-07-01
Non metallic mineral products vocabulary - Part 3: Gypsum
发布日期:2013-05-07 实施日期:2013-12-01
Iron ores. Determination of aluminium content. Oxine gravimetric and titrimetric methods.
实施日期:1984-10-01
Methods for sampling, preparation and determination of moisture content of non-ferrous metal bearing ores
Copper, lead, zinc and nickel concentrates -- Experimental methods for checking the precision of sampling
发布日期:2006-04-01 实施日期:2006-04-01
Iron ores for blast furnace feedstocks -- Determination of the decrepitation index
发布日期:2007-11-01 实施日期:2007-11-01
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