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GB/T 34499.2-2017 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 - 英文版 |
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GB/T 1819.16-2017 Methods for chemical analysis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 34499.1-2017 Method for chemical analysis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate - 英文版 |
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GB/T 1819.12-2017 Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration - 英文版 |
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GB/T 1819.9-2017 Methods for chemical analysis of tin concentrates—Part 9：Determination of tungsten trioxide content—The thiocyanate spectrophotometric method - 英文版 |
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GB/T 1819.14-2017 Methods for chemical analysis of tin concentrates—Part 14：Determination of copper content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 3884.19-2017 Methods for chemical analysis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 34550.2-2017 Method for evaluation of cooling seawater treatment agents—Part 2: Determination of scale inhibition performance - 英文版 |
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GB/T 34550.3-2017 Method for evaluation of cooling seawater treatment agents—Part 3: Determination of inhibiting microbes performance - 英文版 |
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GB/T 34550.1-2017 Method for evaluation of cooling seawater treatment agents—Part 1: Determination of corrosion inhibition performance - 英文版 |
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GB/T 34405-2017 Determination for migration of acrylamide in household papers—Liquid chromatography-tandem mass spectrometry（LC-MS/MS）method - 英文版 |
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GB/T 34176-2017 Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline - 英文版 |
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GB/T 6730.74-2017 Iron ores－Determination of magnesium content－Flame atomic absorption spectrometric method - 英文版 |
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GB/T 6730.42-2017 Iron ores—Determination of lead content—Dithizone spectrophotometric method - 英文版 |
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GB/T 6730.39-2017 Iron ores—Determination of nickle content—Dimetylglyoxime spectrophotometric method - 英文版 |
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GB/T 6730.47-2017 Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method - 英文版 |
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GB/T 6730.37-2017 Iron ores—Determination of cobalt content—4-((5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method - 英文版 |
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GB/T 6730.26-2017 Iron ores—Determination of fluorine content—Thorium nitrate titrimetric method - 英文版 |
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GB/T 6730.31-2017 Iron ores—Determination of vanadium—N-benzoyl-N-phenylhydroxylamine extraction spectrophotometric method - 英文版 |
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GB/T 6730.38-2017 Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method - 英文版 |
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GB/T 6730.30-2017 Iron ores—Determination of chromium content—Diphenyl carbazide spectrophotometric method - 英文版 |
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GB/T 34191-2017 Methods of determination and calculation of heat balance in straight grate process for pellet firing of iron and steel industry - 英文版 |
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GB/T 5195.5-2017 Fluorspar—Determination of total sulfur content—Pipe furnace combustion iodic acid potassium titration method - 英文版 |
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GB/T 5195.3-2017 Fluorspar—Determination of loss in mass at 105℃—Gravimetric method - 英文版 |
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GB/T 5195.1-2017 Fluorspar—Determination of calcium fluoride content—EDTA titration method and distillation-potentiometric titration method - 英文版 |
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GB/T 34211-2017 Iron ores—Method for determination of iron reduction softening drippinger performance under load - 英文版 |
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GB/T 34208-2017 Iron and steel—Determination of antimony and tin content—Inductively coupled plasma atomic emission spectrometric method - 英文版 |
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GB/T 5195.15-2017 Fluorspar—Determination of calcium,aluminum,silicon,phosphorus,sulfur,potassium,iron,barium and lead content—Wavelength dispersive X-ray fluorescence spectrometric method - 英文版 |
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GB/T 5195.13-2017 Fluorspar—Determination of aluminium content—EDTA titration method - 英文版 |
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GB/T 6730.34-2017 Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method - 英文版 |
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