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GB/T 23946-2009 Inorganic chemicals for industrial use - General method for the determination of lead content - Atomic absorption spectrometry - 英文版 |
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GB/T 23945-2009 Inorganic chemicals for industrial use - General method for the determination of chloride content - Visible turbidimetric method - 英文版 |
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GB/T 23944-2009 Inorganic chemicals for products use - General method for the determination of aluminium - Chromazurol S-spectrophotometric method - 英文版 |
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GB/T 23943-2009 Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method - 英文版 |
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GB/T 23845-2009 Inorganic chemicals for industrial use - General method for the determination of bromide - 英文版 |
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GB/T 23844-2009 Inorganic chemicals for industrial use - General method for the determination of sulphate - Visible turbidimetric method - 英文版 |
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GB/T 23843-2009 Inorganic chemical products - General method for the determination of total phosphorus（V）oride content - 英文版 |
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GB/T 23842-2009 General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method - 英文版 |
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GB/T 23841-2009 Inorganic chemicals for industrial use - General method for the determinations of cadmium - Atomic absorption spectrometry - 英文版 |
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GB/T 23834.6-2009 Chemical analysis method for stannous sulfate - Part 6: Determination of iron content - 1,10-phenanthroline spectrophotometry - 英文版 |
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GB/T 23834.5-2009 Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry - 英文版 |
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GB/T 23834.4-2009 Chemical analysis method for stannous sulfate - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometry - 英文版 |
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GB/T 23834.3-2009 Chemical analysis method for stannous sulfate - Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate - Gravimetric method - 英文版 |
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GB/T 23834.2-2009 Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method - 英文版 |
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GB/T 23834.1-2009 Chemical analysis method for stannous sulfate - Part 1: Determination of stannous sulfate content - Volumetric method of potassium dichromate - 英文版 |
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GB/T 23774-2009 Inorganic chemicas for industrial use - General method for the determination of whiteness - 英文版 |
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GB/T 23773-2009 Inorganic chemicals for industrial use - General method for determination of ammonium content - Nessler’s reagent colorimetric method - 英文版 |
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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 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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