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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 3848-2017 Hardmetals—Determination of (the magnetization) coercivity - 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 3002-2017 Refractory products—Determination of modulus of rupture at elevated temperatures - 英文版 |
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GB/T 3001-2017 Refractory products—Determination of modulus of rupture at ambient temperature - 英文版 |
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GB/T 7322-2017 Refractory products—Determination of refractoriness - 英文版 |
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GB/T 34175-2017 Determination of sulfur in refractory products - 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 3007-2017 Refractory products—Determination of moisture content - 英文版 |
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GB/T 34180-2017 Thermal insulation products for building applications—Determination of the resistance to impact of external thermal insulation composite systems(ETICS) - 英文版 |
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GB/T 34183-2017 Thermal insulating products for building equipment and industrial installations—Determination of the coefficient of thermal expansion - 英文版 |
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GB/T 34186-2017 Refractory products—Determination of dynamic Young’s modulus(MOE)at elevated temperatures by impulse excitation of vibration - 英文版 |
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GB/T 34217-2017 Refractory products—Determination of torsion strength at elevated temperature - 英文版 |
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GB/T 34219-2017 Refractory matericals—Determination of tensile strength at room temperature - 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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