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GB/T 12690.1-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 1: Determination of carbon and sulfur contents—High frequency-infrared absorption method - 英文版 |
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GB/T 3286.7-2014 Methods for chemical analysis of limestone and dolomite―Part 7: The determination of sulphur content―The pipe furnace combustion iodic acid potassium titration method，the high frequency combustion with infrared absorption method and the barium sulfa - 英文版 |
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GB/T 3286.6-2014 Methods for chemical analysis of limestone and dolomite―Part 6: The determination of phosphorus content―The phosphomolybdate blue spectrophotometric method - 英文版 |
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GB/T 30701-2014 Surface chemical analysis―Chemical methods for the collection of elements from the surface of silicon-wafer working reference materials and their determination by total-reflection X-ray fluorescence (TXRF) spectroscopy - 英文版 |
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GB/T 3260.7-2013 Methods for chemical analysis of tin―Part 7： Determination of aluminium content―Electrothermal atomic absorption spectrometric method - 英文版 |
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GB/T 3260.5-2013 Methods for chemical analysis of tin―Part 5：Determination of antimony content―The malachite green photometric method - 英文版 |
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GB/T 4325.25-2013 Methods for chemical analysis of molybdenum - Part 25: Determination of hydrogen content - Intert gas fusion infrared absorption method/thermal conductivity method - 英文版 |
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GB/T 4325.23-2013 Methods for chemical analysis of molybdenum - Part 23: Determination of oxygen and nitrogen contents - Inert gas fusion-infrared absorption and thermal conductivity method - 英文版 |
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GB/T 8151.14-2012 Methods for chemical analysis of zinc concentrates - Part 14： Determination of nickel content - The flame atomic absorption spectrometric method - 英文版 |
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GB/T 8151.13-2012 Methods for chemical analysis of zinc concentrates - Part 13： Determination of germanium content - Hydride generation-atomic fluorescence spectrometry and the phenyl fluorone spectrophptometric method - 英文版 |
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GB/T 8151.12-2012 Methods for chemical analysis of zinc concentrates - Part 12： Determination of sliver content - The flame atomic absorption spectrometric method - 英文版 |
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GB/T 8151.9-2012 Methods for chemical analysis of zinc concentrates - Part 9： Determination of fluorine content - The ion selective electrode method - 英文版 |
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GB/T 8151.8-2012 Methods for chemical analysis of zinc concentrates - Part 8： Determination of cadmium content - The flame atomic absorption spectrometric method - 英文版 |
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GB/T 8151.7-2012 Methods for chemical analysis of zinc concentrates - Part 7： Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method - 英文版 |
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GB/T 8151.6-2012 Methods for chemical analysis of zinc concentrates - Part 6： Determination of copper content - The flame atomic absorption spectrometric method - 英文版 |
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GB/T 8151.5-2012 Methods for chemical analysis of zinc concentrates - Part 5： Determination of lead content - The flame atomic absorption spectrometric method - 英文版 |
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GB/T 8151.2-2012 Methods for chemical analysis of zinc concentrates - Part 2：Determination of sulfur content - The combustion neutralization titrimetric method - 英文版 |
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GB/T 4324.28-2012 Methods for chemical analysis of tungsten - Part 28: Determination of molybdenum content - The thioyanate spectrophotometry - 英文版 |
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GB/T 4324.26-2012 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 - 英文版 |
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GB/T 4324.23-2012 Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method - 英文版 |
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GB/T 4324.19-2012 Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry - 英文版 |
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GB/T 3884.9-2012 Methods for chemical analysis of copper concentrates - Part 9: Determination of arsenic and bismuth contents - Hydride generation- atomic fluorescence spectrometry method The potassium bromate titration method and The silver diethyl dithiocarbamate photom - 英文版 |
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GB/T 17432-2012 Methods of sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys - 英文版 |
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GB/T 29422-2012 Methods for dealing with the waste solution of chemical analysis of cement - 英文版 |
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GB/T 3286.4-2012 Methods for chemical analysis of limestone and dolomite - Part 4: The determination of iron oxide content - The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method - 英文版 |
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GB/T 3286.3-2012 Methods for chemical analysis of limestone and dolomite - Part 3: The determination of aluminium oxide content - The chrome azurol S spectrophotometric method and the complexometric titration method - 英文版 |
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GB/T 3286.2-2012 Methods for chemical analysis of limestone and dolomite - Part 2: The determination of silicon dioxide content - The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method - 英文版 |
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GB/T 3286.1-2012 Methods for chemical analysis of limestone and dolomite - Part 1: The determination of calcium oxide and magnesium oxide content - The complexometric titration method and the flame atomic absorption spectrometric method - 英文版 |
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GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry - 英文版 |
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GB/T 25934.3-2010 Methods for chemical analysis of high - purity gold - Part 3: Ethylether extraction separation - Inductively coupled plasma-atomic emission spectrometry - Determinaion of impurity elements contents - 英文版 |
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