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GB/T 23772-2009 Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler’s reagent colorimetric method - 英文版 |
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GB/T 23771-2009 Determination of bulk density for inorganic chemical products - 英文版 |
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GB/T 23769-2009 Inorganic chemical products - General method for the determination of pH values - 英文版 |
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GB/T 15249.5-2009 Methods for chemical analysis of crude gold - Part 5: Determination of mercury content - Cold atomic absorption spectrometry - 英文版 |
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GB/T 15249.4-2009 Methods for chemical analysis of crude gold - Part 4: Determination of lead content - EDTA titrimetric method - 英文版 |
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GB/T 15249.3-2009 Methods for chemical analysis of crude gold - Part 3: Determination of copper content - Iodometric method - 英文版 |
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GB/T 15249.2-2009 Methods for chemical analysis of crude gold - Part 2: Determination of silver content - Fire assay gravimetric and EDTA titrimetric methods - 英文版 |
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GB/T 15249.1-2009 Methods for chemical analysis of crude gold - Part 1: Determination of gold content - Fire assay gravimetric method - 英文版 |
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GB/T 15902-2009 Conveyor belts - Determination of elastic and permanent elongation and calculation of elastic modulus - 英文版 |
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GB/T 12736-2009 Conveyor belts - Determination of strenght of mechanical fastenings - Static test method - 英文版 |
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GB/T 23594.2-2009 Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 2: Determination of fifteen rare earth oxide relative contents - Inductively coupled plasma emission spectrometry - 英文版 |
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GB/T 23594.1-2009 Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 1: Determination of total rare earth oxide content - Gravimetry - 英文版 |
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GB/T 6609.37-2009 Chemical analysis methods and determination of physical performance of alumina - Part 37: Determination of the particles size content less then 20μm - 英文版 |
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GB/T 6609.36-2009 Chemical analysis methods and determination of physical performance of alumina - Part 36: Determination of flow time - 英文版 |
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GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina - Part 35: Determination of specific surface area by nitrogen adsorption - 英文版 |
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GB/T 6609.34-2009 Chemical analysis methods and determination of physical performance of alumina - Part 34: Method of calculating alumina content - 英文版 |
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GB/T 6609.33-2009 Chemical analysis methods and determination of physical performance of alumina - Part 33: Determination of attrition index - 英文版 |
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GB/T 6609.32-2009 Chemical analysis methods and determination of physical performance of alumina - Part 32: Determination of a-alumina content by X-ray diffraction - 英文版 |
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GB/T 6609.31-2009 Chemical analysis methods and determination of physical performance of alumina - Part 31: Determination of angle of flow - 英文版 |
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GB/T 6609.30-2009 Chemical analysis methods and determination of physical performance of alumina - Part 30: X-ray fluorescence spectrometric method for the determination centent of trace elements - 英文版 |
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GB/T 6609.27-2009 Chemical analysis methods and determination of physical performance of alumina - Part 27: Partical size analysis - Method using electriformed sieves - 英文版 |
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GB/T 6609.2-2009 Chemical analysis methods and determination of physical performance of aluminium hydroxide - Part 2: Determination of loss of mass at 300℃ and 1000℃ - 英文版 |
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GB/T 23614.2-2009 Chemical analysis methods for titanium nickel shape memory alloy - Part 2: Determination of cobalt, copper, chromium, iron, niobium content - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 23614.1-2009 Methods for chemical analysis of titanium nickel shape memory alloy - Part 1: Determination of nickel content - Dimethylglyoxime precipitate separatioin－EDTA complex-zinc chloride back titration - 英文版 |
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GB/T 23613-2009 Methods for chemical analysis of osmium powder - Determination of magnesium, iron, nickel, aluminum, copper, silver, gold, platinum, iridium, palladium, rhodium and silicon content - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 23607-2009 Methods for chemical analysis of copper anode mud - Determination of arsenic，bismuth，iron，nickel，lead，antimony，selenium and tellurium content - Inductively coupled plasma-atomic emission spectrometry - 英文版 |
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GB/T 13748.21-2009 Chemical analysis methods of magnesium and magnesium alloys - Part 21: Determination of elements by photoelectric direct reading atomic emission spectrometry - 英文版 |
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GB/T 13748.20-2009 Chemical analysis methods of magnesium and magnesium alloys - Part 20: Determination of elements by inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 11066.9-2009 Methods for chemical analysis of gold - Determination of arsenic and tin contents - Hydride generation-atomic fluorescence spectrometry - 英文版 |
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GB/T 11066.8-2009 Method for chemical analysis of gold - Determination of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium content - Ethyl acetate extration-inductively coupled plasma - Atomic emission spectrometry - 英文版 |
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