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GB/T 8151.9-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 9: Determination of fluorine content - The ion selective electrode method
GB/T 8151.8-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 8: Determination of cadmium content - The flame atomic absorption spectrometric method
GB/T 8151.7-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 7: Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method
GB/T 8151.6-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 6: Determination of copper content - The flame atomic absorption spectrometric method
GB/T 8151.5-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 5: Determination of lead content - The flame atomic absorption spectrometric method
GB/T 8151.4-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 4: Determination of silicon dioxide content - Molybdenum blue spectrophotometry
GB/T 8151.3-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 3: Determination of iron content - Na2EDTA titrimetric method
GB/T 8151.2-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 2:Determination of sulfur content - The combustion neutralization titrimetric method
GB/T 8151.20-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 20:Determination of copper,lead,iron,arsenic,cadmium antimony, calcium,magnesium contents - Inductively coupled plasma atomic emission spectrometry
GB/T 8151.19-2012
(中英文版)
Methods for chemical analysis of zinc sulfide concentrates - Part 19:Determination of silver and gold contents - Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
GB/T 8151.18-2012
(中英文版)
Methods for chemical analysis of zinc concentrates - Part 18: Determination of zinc content - Ion-exchange/ Na2EDTA titrimetric method
GB/T 4324.9-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 9: Determination of cadmium content - Inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry
GB/T 4324.7-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.6-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 6: Determination of iron content-1,10-phenanthroline spectrophotometry
GB/T 4324.5-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 5: Determination of arsenic content - Hydrogenate atomic absorption spectrometry
GB/T 4324.4-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry
GB/T 4324.3-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 3: Determination of tin content - Hydrogenate atomic absorption spectrometry
GB/T 4324.28-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 28: Determination of molybdenum content - The thioyanate spectrophotometry
GB/T 4324.27-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 27::Determination of carbon content - High frequency combustion-infrared absorption method
GB/T 4324.26-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 26: Determination of nitrogen content - Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry
GB/T 4324.25-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 25: Determination of oxygen content - Pulse heating inert gas fusion-infrared absorption method
GB/T 4324.24-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 24: Determination of phosphorus content - Molybdemum blue photometry
GB/T 4324.23-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method
GB/T 4324.22-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 22: Determination of manganese content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.2-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 2: Determination of bismuth content - Hydrogenate atomic absorption spectrometry
GB/T 4324.21-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 21: Determination of chromium content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.20-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 20: Determination of vanadium content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.19-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry
GB/T 4324.18-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 18: Determination of potassium content - Flame atomic absorption spectrometry
GB/T 4324.17-2012
(中英文版)
Methods for chemical analysis of tungsten - Part 17: Determination of sodium content - Flame atomic absorption spectrometry

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