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GB/T 7739.14-2019 Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 23524-2019 Method for chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 20975.31-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 31：Determination of phosphorus content—Molybdenum blue spectrophotometry - 英文版 |
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GB/T 20975.30-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 30：Determination of hydrogen content—Heating extraction-thermal conductivity method - 英文版 |
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GB/T 20975.29-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry - 英文版 |
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GB/T 20975.28-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 13747.5-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 5：Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry - 英文版 |
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GB/T 7739.13-2019 Methods for chemical analysis of gold concentrates—Part 13: Determination of lead， zinc， bismuth， cadmium， chromium， arsenic and mercury contents—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 4698.21-2019 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry - 英文版 |
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GB/T 4698.17-2019 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 17:Determination of magnesium content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 37321-2019 Chemical analysis methods of different sulfur forms in gypsum and gypsum products - 英文版 |
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GB/T 37630-2019 Textiles—Quantitative chemical analysis—Mixtures of acetate or triacetate with certain other fibres（method using hydrochloric acid） - 英文版 |
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GB/T 37629-2019 Textiles—Quantitative chemical analysis—Mixtures of acrylic with certain other fibres（method using formic acid and zinc chloride） - 英文版 |
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GB/T 15076.3-2019 Methods for chemical analysis of tantalum and niobium—Part 3：Determination of copper content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 13747.6-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry - 英文版 |
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GB/T 37211.2-2018 Methods for chemical analysis of germanium metal—Part 2：Determination of aluminium,iron,copper,nickle,lead,cadmium, magnesium,cobalt,indium,zinc content—Inductively coupled plasma mass spectrometry method - 英文版 |
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GB/T 37211.1-2018 Methods for chemical analysis of germanium metal—Part 1：Determination of arsenic content—Arsenic stain method - 英文版 |
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GB/T 20975.11-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 11：Determination of lead content - 英文版 |
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GB/T 6609.1-2018 Chemical analysis methods and determination of physical performance of alumina—Part 1：Determination of trace elements content—Inductively coupled plasma atomic emission spectrometry method - 英文版 |
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GB/T 4949-2018 Chemical analysis methods for sacrificial anodes of Al-Zn-In system alloy - 英文版 |
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GB/T 35098-2018 Microbeam analysis—Transmission electron microscopy—Morphological identification method of plant viruses by transmission electron microscopy - 英文版 |
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GB/T 36141-2018 Methods for phase composition analysis of calcined gypsum - 英文版 |
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GB/T 6609.12-2018 Chemical analysis methods and determination of physical performance of alumina—Part 12：Determination of zinc oxide content—Flame atomic absorption spectrometry method - 英文版 |
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GB/T 20975.27-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 27：Determination of cerium,lanthanum,scandium—Inductively coupled plasma atomic emission spectrometry method - 英文版 |
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GB/T 6609.6-2018 Chemical analysis methods and determination of physical performance of alumina—Part 6：Determination of potassium oxide content - 英文版 |
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GB/T 12690.15-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content - 英文版 |
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GB/T 36433-2018 Textiles—DNA quantitative analysis of cashmere and wool mixture—Fluorescence PCR method - 英文版 |
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GB/T 36592-2018 Methods for chemical analysis of rhodium—Determination of platinum, ruthenium, iridium, palladium, gold, silver, copper, iron, nickel, aluminum, lead, manganese, magnesium, tin, zinc, silicon contents—Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 5274.1-2018 Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class I mixtures - 英文版 |
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GB/T 3884.20-2018 Methods for chemical analysis of copper concentrates—Part 20:Determination of mercury content—Solid sampling and direct mercury analysis method - 英文版 |
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