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GB/T 10574.7-2017 （中英文版） Methods for chemical analysis of tin-lead solders—Part 7：Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration |
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GB/T 34438-2017 （中英文版） Determination of cadmium in toy materials—Flame atomic absorption spectrometry |
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GB/T 10574.12-2017 （中英文版） Methods for chemical analysis of tin-lead solders—Part 12：Determination of sulfur content—High frequency combustion with infrared absorption method |
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GB/T 10574.14-2017 （中英文版） 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 |
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GB/T 10574.11-2017 （中英文版） Methods for chemical analysis of tin-lead solders—Part 11：Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry |
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GB/T 10574.8-2017 （中英文版） Methods for chemical analysis of tin-lead solders—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method |
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GB/T 4698.1-2017 （中英文版） Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1：Determination of copper content—Flame atomic absorption spectrometry |
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GB/T 13747.21-2017 （中英文版） Methods for chemical analysis of zirconium and zirconium alloys—Part 21：Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method |
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GB/T 13747.8-2017 （中英文版） Methods for chemical analysis of zirconium and zirconium alloys—Part 8：Determination of cobalt content—Nitroso-R-salt spectrophotometry |
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GB/T 1819.7-2017 （中英文版） Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method |
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GB/T 4698.8-2017 （中英文版） Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 8：Determination of aluminum content—Separation with sodium hydroxide-EDTA complex-metric titration and inductively coupled plasma atomic emission spectrometry |
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GB/T 1819.13-2017 （中英文版） Methods for chemical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method |
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GB/T 1819.8-2017 （中英文版） Methods for chemical analysis of tin concentrates—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method |
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GB/T 4698.18-2017 （中英文版） Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18：Determination of tin content—Flame atomic absorption spectrometry |
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GB/T 1819.10-2017 （中英文版） Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method |
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GB/T 19587-2017 （中英文版） Determination of the specific surface area of solids by gas adsorption using the BET method |
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GB/T 13747.22-2017 （中英文版） Methods for chemical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method |
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GB/T 13747.24-2017 （中英文版） Methods for chemical analysis of zirconium and zirconium alloys—Part 24：Determination of carbon content—Infrared absorption method after high frequency combustion |
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GB/T 34499.2-2017 （中英文版） Methods for chemical analysis of iridium compounds—Part 2：Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content—Ind |
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GB/T 1819.16-2017 （中英文版） Methods for chemical analysis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry |
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GB/T 1819.12-2017 （中英文版） Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration |
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GB/T 1819.14-2017 （中英文版） Methods for chemical analysis of tin concentrates—Part 14：Determination of copper content—Flame atomic absorption spectrometry |
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GB/T 6730.74-2017 （中英文版） Iron ores－Determination of magnesium content－Flame atomic absorption spectrometric method |
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GB/T 6730.38-2017 （中英文版） Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method |
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GB/T 34211-2017 （中英文版） Iron ores—Method for determination of iron reduction softening drippinger performance under load |
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GB/T 5195.14-2017 （中英文版） Fluorspar—Determination of magnesium content—Flame atomic absorption spectrometry |
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GB/T 6730.58-2017 （中英文版） Iron ores－Determination of vanadium content－Flame atomic absorption spectrometric method |
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GB/T 6730.59-2017 （中英文版） Iron ores－Determination of manganese content－Flame atomic absorption spectrometric method |
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GB/T 34247.1-2017 （中英文版） Determination of the unsaturation of isobutene-isoprene rubber—Part 1: Iodometry |
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GB/T 34223-2017 （中英文版） Determination of the purity of ribonuclease and desoxyribonuclease |
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