China Determination of pH GB Standards Search Result |
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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 23886-2009 Determination of nacre thickness - Optical coherence tomography - 英文版 |
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GB/T 23901.2-2009 Non-destructive testing - Image quality of radiographs - Part 2: Image quality indicators (step/hole type) - Determination of image quality value - 英文版 |
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GB/T 23901.1-2009 Non-destructive testing - Image quality of radiographs - Part 1: Image quality indicators (wire type) - Determination of image quality value - 英文版 |
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GB/T 23901.5-2009 Non-destructive testing - Image quality of radiographs - Part 5: Image quality indicators (duplex wire type) - Determination of image unsharpness value - 英文版 |
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GB/T 23890-2009 Rapid determination of erucic acid and glucosinolate in rapeseed - Photometry - 英文版 |
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GB/T 23884-2009 Determination of biogenic amines in animal-derived feeds - High performance liquid chromatography - 英文版 |
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GB/T 23883-2009 Determination of ricinine in feeds - High performance liquid chromatography - 英文版 |
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GB/T 23882-2009 Determination of L-Ascorbyl -2-monophosphate in feeds - High performance liquid chromatography - 英文版 |
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GB/T 23877-2009 Determination of citric acid，fumaric acid and lactic acid in feed acidifier - High performance liquid chromatography - 英文版 |
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GB/T 23874-2009 Determination of xylanase activity in feed additives - Spectrophotometric method - 英文版 |
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GB/T 18634-2009 Determination of feed phytase activity - Spectrophotometric method - 英文版 |
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GB/T 17777-2009 Determination of molybdenum in feeds - Spectrophotometry - 英文版 |
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GB/T 23870-2009 Determination of Pb in propolis - Microwave digestion - Graphite furnace atomic absorption spectrophotometry - 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 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 15454-2009 Industrial circulating cooling water - Determination of sodium，potassium， magnesium and calcium - Ion chromatography - 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 23788-2009 Determination of soybean isoflavone in health-care food - High-performance liquid chromatography - 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 23750-2009 Determination of Glyphosate residues in plant products-GC-MS method - 英文版 |
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GB/T 23749-2009 Determination of sodium copper chlorophyllin in foods－Spectrophotometric method - 英文版 |
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GB/T 8381.7-2009 The determination of olaquindox in feed - High performance liquid chromatography - 英文版 |
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GB/T 23737-2009 Determination of free canavanine in feeds - Ion exchange chromatography - 英文版 |
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GB/T 23296.25-2009 Food contact materials - Polymer - Determination of 1,3-benzenedimethanamine in food simulants - High performance liquid chromatography - 英文版 |
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GB/T 23296.24-2009 Food contact materials - Polymer - Determination of 1,2-dihydroxybenzene,1,3-dihydroxybenzene,1,4-dihydroxybenzene,4,4’-dihydroxybenzophenone and 4,4’dihydroxybiphenyl in food simulants - High performance liquid chromatography - 英文版 |
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GB/T 23296.23-2009 Food contact materials - Polymer - Determination of 1,1,1-trimethylolpropane in food simulants - Gas chromatography - 英文版 |
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