China Determination of pH GB Standards Search Result |
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GB/T 13747.5-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 5：Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry - 英文版 |
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GB/T 12688.1-2019 Test method of styrene for industrial use—Part 1：Determination of purity and hydrocarbon impurities—Gas chromatography - 英文版 |
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GB/T 4333.7-2019 Ferrosilicon—Determination of sulfur content—Infrared absorption method and chromatographic separation-barium sulfate gravimetric method - 英文版 |
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GB/T 4333.6-2019 Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method - 英文版 |
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GB/T 37760-2019 Determination of perfluorooctanoic acid and perfluorooctane sulfonic acid in electronic and electrical products—Ultra high performance liquid chromatographic method with tandem mass spectrometry - 英文版 |
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GB/T 37757-2019 Determination of emission rate of volatile organic compounds from materials and components used in electrical and electronic products—Emission test chamber-gas chromatography mass spectrometry - 英文版 |
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GB/T 37673-2019 ：Determination of silicon,aluminum,iron,calcium,magnesium,sodium,potassium,phosphorus,titanium,manganese,strontium and barium in coal ash—X-ray fluorescence spectrometric method - 英文版 |
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GB/T 37667-2019 Determination of iron,calcium,magnesium,potassium,sodium,manganese,phosphorus,aluminum,titanium,strontium and barium in coal ash—Inductively coupled plasma-atomic emission spectrometry - 英文版 |
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GB/T 37649-2019 Determination of thimerosal and diphenylmercury in cosmetics—High performance liquid chromatography-inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 37644-2019 Determination of oxyquinoline and nitroxoline in cosmetics—High performance liquid chromatography - 英文版 |
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GB/T 37641-2019 Determination of 2,3,5,4’-tetrahydroxystilbene-O-β-D-glucoside in cosmetics―High performance liquid chromatography - 英文版 |
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GB/T 37640-2019 ：Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography - 英文版 |
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GB/T 37639-2019 Determination of polybrominated biphenyls and polybrominated diphenyl ethers in plastic products—Gas chromatography and mass spectrometry - 英文版 |
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GB/T 37638-2019 Determination of polybrominated biphenyls and polybrominated biphenyl ethers in plastic products—High performance liquid chromatography - 英文版 |
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GB/T 37628-2019 Determination of astragaloside, paeoniflorin, forsythin and forsythoside A in cosmetics—High performance liquid chromatography - 英文版 |
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GB/T 37626-2019 Determination of 9 forbidden penicillins including amoxicillin in cosmetics—Liquid chromatography-tandem mass spectrometry - 英文版 |
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GB/T 37545-2019 Determination of 38 kinds of permitted colorants in cosmetics—High performance liquid chromatography - 英文版 |
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GB/T 37544-2019 Determination of 6 kinds of phenolic antibacterial agent including o-Cymen-5-ol in Cosmetics—High performance liquid chromatography - 英文版 |
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GB/T 37500-2019 Determination of plant growth regulators in fertilizer—High performance liquid chromatography - 英文版 |
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GB/T 23901.5-2019 Non-destructive testing—Image quality of radiographs—Part 5: Determination of the image unsharpness and basic spatial resolution value using duplex wire-type image quality indicators - 英文版 |
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GB/T 23901.2-2019 Non-destructive testing—Image quality of radiographs—Part 2:Determination of the image quality value using step/hole-type image quality indicators - 英文版 |
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GB/T 13747.6-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry - 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 23901.1-2019 Non-destructive testing—Image quality of radiographs—Part 1:Determination of the image quality value using wire-type image quality indicators - 英文版 |
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GB/T 14615-2019 Inspection of grain and oils—Doughs rheological properties determination of wheat flour—Extensograph test - 英文版 |
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GB/T 14614-2019 Inspection of grain and oils—Doughs rheological properties determination of wheat flour—Farinograph test - 英文版 |
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GB/T 37508-2019 Determination of preservatives in moulding clay—High performance liquid chromatography method - 英文版 |
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GB/T 36946-2018 Leather—Chemical tests—Determination of polycyclic aromatic hydrocarbons—Gas chromatography-mass spectrometry - 英文版 |
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GB/T 36929-2018 Leather and fur—Chemical tests—Determination of perfluorooctane sulphonates(PFOS) and perfluorooctanoic acid(PFOA) content - 英文版 |
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GB/T 37101-2018 Determination of 3,3’-dichloro-4,4’-diaminodiphenylmethane in polymeric materials—Gas chromatography-mass spectrography - 英文版 |
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