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GB/T 23838-2009 Determination of suspended solids of industrial circulating cooling water - 英文版 |
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GB/T 23837-2009 Industrial circulating cooling water - Determination of aluminium - Atomic absorption spectrometric methods - 英文版 |
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GB/T 23836-2009 Determination of molybdate in industrial circulating cooling water - Spectrometric method using thiocyanate - 英文版 |
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GB/T 23835.9-2009 Lithium perchlorate anhydrous - Part 9: Determination of calcium content - 英文版 |
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GB/T 23835.8-2009 Lithium perchlorate anhydrous - Part 8: Determination of potassium and sodium content - 英文版 |
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GB/T 23835.7-2009 Lithium perchlorate anhydrous - Part 7: Determination of sulfate content - 英文版 |
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GB/T 23835.6-2009 Lithium perchlorate anhydrous - Part 6: Determination of chlorate content - 英文版 |
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GB/T 23835.5-2009 Lithium perchlorate anhydrous - Part 5: Determination of chloride content - 英文版 |
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GB/T 23835.4-2009 Lithium perchlorate anhydrous - Part 4: Determination of water insoluble matter content - 英文版 |
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GB/T 23835.3-2009 Lithium perchlorate anhydrous - Part 3: Determination of moisture content - 英文版 |
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GB/T 23835.2-2009 Lithium perchlorate anhydrous - Part 2: Determination of lithium perchlorate anhydrous content - 英文版 |
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GB/T 23835.13-2009 Lithium perchlorate anhydrous - Part 13: Determination of transparency - 英文版 |
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GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content - 英文版 |
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GB/T 23835.11-2009 Lithium perchlorate anhydrous - Part 11: Determination of lead content - 英文版 |
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GB/T 23835.10-2009 Lithium perchlorate anhydrous - Part 10: Determination of iron content - 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 15454-2009 Industrial circulating cooling water - Determination of sodium，potassium， magnesium and calcium - Ion chromatography - 英文版 |
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GB/T 15452-2009 Industrial circulating cooling water - Determination of calcium and magnesium - EDTA titration method - 英文版 |
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GB/T 14642-2009 Industrial circulating cooling water and boiler water - Determination of fluoride，chloride，phosphate，nitrite，nitrate and sulfate - Ion chromatography - 英文版 |
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GB/T 23801-2009 Determination of fatty acid methyl esters(FAME) in middle distillates by infrared spectroscopy method - 英文版 |
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GB/T 23788-2009 Determination of soybean isoflavone in health-care food - High-performance liquid chromatography - 英文版 |
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GB/T 23800-2009 Heat transfer fluids - Determination of thermal stability - 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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