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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 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 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 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 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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GB/T 10574.8-2017 Methods for chemical analysis of tin-lead solders—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method - 英文版 |
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GB/T 20899.14-2017 Methods for chemical analysis of gold ores-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 20899.13-2017 Methods for chemical analysis of gold ores-Part 13: Determination of lead,zinc,bismuth,cadminum,chromium,arsenic and mercury contents —Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 4698.27-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 27：Determination of neodymium content—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 4698.3-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 3：Determination of silicon content—Molybdenum blue spectrophotometry - 英文版 |
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GB/T 4698.22-2017 Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22：Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 4698.28-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 28：Determination of ruthenium content—Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 4698.1-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1：Determination of copper content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 1819.11-2017 Methods for chemical analysis of tin concentrates—Part 11：Determination of aluminium oxide content—Chromazuzal S spectrophotometric method - 英文版 |
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GB/T 29024.4-2017 Determination of particle size distribution－Single particle light interaction methods－Part 4: Light scattering airborne particle counter for clean spaces - 英文版 |
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GB/T 4698.20-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.15-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 15：Determination of boron content—Curcumin spectrophotometry - 英文版 |
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GB/T 4698.19-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 19：Determination of molybdenum content—Thiocyanate-differential spectrophotometry - 英文版 |
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GB/T 4698.5-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 5：Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.21-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 21：Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method - 英文版 |
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