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GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry - 英文版 |
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GB/T 15076.11-2020 Methods for chemical analysis of tantalum and niobium--Part 11: Determination of arsenic, antimony, lead, tin and bismuth contents in niobium--Direct current arc atomic emission spectrometry - 英文版 |
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GB/T 13747.4-2020 Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.3-2020 Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.27-2020 Methods for chemical analysis of zirconium and zirconium alloys--Part 27: Determination of trace impurities content--Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 39234-2020 Determination of phthalate esters in soil—Gas chromatography-mass spectrometry (GC-MS) - 英文版 |
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GB/T 39306-2020 Reclaimed water quality—Determination of total arsenic—Atomic fluorescence spectrometry - 英文版 |
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GB/T 3780.27-2020 Carbon black—Part 27：Determination of aggregate size distribution by disc centrifuge photosedimentometry - 英文版 |
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GB/T 38261-2019 Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 14506.33-2019 Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry - 英文版 |
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GB/T 38420-2019 Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys—High performance liquid chromatography-tandem mass spectrometry - 英文版 |
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GB/T 38415-2019 Determination of tetrabromobisphenol A and hexabromocyclododecanes content in toys—High performance liquid chromatography-tandem mass spectrometry - 英文版 |
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GB/T 38397-2019 Coal tar—Determination of component content—Gas chromatography-mass spectrometry and thermogravimetry - 英文版 |
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GB/T 38394-2019 Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry - 英文版 |
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GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry - 英文版 |
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GB/T 15076.10-2019 Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry - 英文版 |
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GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.2-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.12-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 12：Determination of silicon content—Molybdenum blue spectrophotometry - 英文版 |
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GB/T 8647.11-2019 Methods for chemical analysis of nickel－Part 11：Determination of magnesium，aluminum，manganese，cobalt，copper，zinc，cadmium，tin，antimony，lead，bismuth contents－Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 38261-2019 Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 14506.33-2019 Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry - 英文版 |
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GB/T 37905-2019 Reclaimed water quality—Determination of chromium—Voltammetry and polarography - 英文版 |
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GB/T 37883-2019 Determination of chromium, cadmium, lead and arsenic in water treatment chemicals—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 37840-2019 Determination of volatile organic compounds in electrical and electronic products—Gas chromatography-mass spectrometry method - 英文版 |
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GB/T 8152.14-2019 Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry - 英文版 |
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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 20975.29-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry - 英文版 |
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