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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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