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GB/T 34534-2017 Coke—Determination of ash composition—X-ray fluorescence spectrometric method - 英文版 |
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GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method - 英文版 |
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GB/T 34536-2017 Natural gas—Determination of radon concentration—Scintillation flash method - 英文版 |
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GB/T 34500.1-2017 Chemical analysis methods for rare earth residue and waste water—Part 1：Determination of fluorine content—Ion selective electrode analysis - 英文版 |
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GB/T 34500.4-2017 Chemical analysis methods for rare earth waste residue and waste water—Part 4: Determination of copper, zinc, lead, chromium, cadmium, barium, cobalt, manganese, nickel and titanium contents—Inductively coupled plasma emission spectrometry - 英文版 |
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GB/T 16484.13-2017 Chemical analysis methods for rare earth chloride and light rare erath carbonate--Part 13: Determination of ammonium chloride content - 英文版 |
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GB/T 34500.2-2017 Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of chemical oxygen demand（COD） - 英文版 |
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GB/T 18882.2-2017 Chemical analysis methods for mixed rare earth oxide of ion-absorpted type rare earth ore—Part 2:Determination of aluminum oxide content - 英文版 |
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GB/T 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content - 英文版 |
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GB/T 12690.6-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method - 英文版 |
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GB/T 5124.3-2017 Hardmetals—Part 3：Determination of cobalt—Potentiometric method - 英文版 |
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GB/T 4000-2017 Determination of coke reactivity index (CRI) and coke strength after reaction (CSR) - 英文版 |
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GB/T 8152.13-2017 Methods for chemical analysis of lead concentrates—Part 13：Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry - 英文版 |
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GB/T 8151.21-2017 Methods for chemical analysis of zinc concentrates—Part 21：Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry - 英文版 |
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GB/T 2286-2017 Determination of total sulfur composition of coke - 英文版 |
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GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders—Part 7：Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration - 英文版 |
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GB/T 15076.1-2017 Methods for chemical analysis of tantalum and niobium—Part 1: Determination of tantalum content in niobium—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 15076.5-2017 Methods for chemical analysis of tantalum and niobium—Part5:Determination of molybdenum and tungsten contents—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 34436-2017 Determination of formamide in toy materials—Gas chromatography-mass spectrometry （GC-MS) - 英文版 |
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GB/T 34435-2017 Determination of migratable chromium(Ⅵ) in toy materials—High performance liquid chromatography-inductively coupled plasma mass spectrometry(HPLC-ICP-MS) - 英文版 |
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GB/T 34438-2017 Determination of cadmium in toy materials—Flame atomic absorption spectrometry - 英文版 |
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GB/T 34442-2017 Pulps—Determination of fiber coarseness—Unpolarized light method - 英文版 |
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GB/T 5124.4-2017 Hardmetals—Part 4：Determination of titanium content—Photometric peroxide method - 英文版 |
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GB/T 4104-2017 Determination of whiteness for zinc oxide produced by direct process - 英文版 |
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GB/T 34448-2017 Tissue paper and disposable products—Determination of formaldehyde - 英文版 |
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GB/T 34609.1-2017 Method for chemical analysis of rhodium compounds—Part 1: Determination of rhodium content—Gravimetric method with hexaammine cobalt nitrate - 英文版 |
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GB/T 34615-2017 Determination of combustion characteristics of CMSW for coprocessing in cement kiln - 英文版 |
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GB/T 10574.12-2017 Methods for chemical analysis of tin-lead solders—Part 12：Determination of sulfur content—High frequency combustion with infrared absorption method - 英文版 |
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GB/T 10574.14-2017 Methods for chemical analysis of tin-lead solders—Part 14：Determination of tin, lead,antimony,bismuth,silver,copper,zinc,cadmium and arsenic content—Optical emission spectrometry - 英文版 |
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GB/T 10574.11-2017 Methods for chemical analysis of tin-lead solders—Part 11：Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry - 英文版 |
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