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GB/T 17530.2-2023 Test methods for industrial acrylic acid and esters Part 2: Determination of organic impurities and purity of industrial acrylic acid esters Gas chromatography - 英文版 |
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GB/T 6499-2022 Raw cotton impurity content test method - 英文版 |
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GB/T 37949-2019 Purity test method of small molecule materials applied in organic light emitting diode display (OLED)—High performance liquid chromatography (HPLC) - 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 37049-2018 Test method for the content of metal impurity in electronic grade polysilicon—Inductively coupled-plasma mass spectrometry method - 英文版 |
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GB/T 14571.2-2018 Test method of ethylene glycol for industrial use—Part 2: Determination of purity and impurities—Gas chromatography - 英文版 |
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GB/T 32699-2016 Test method for purity of multifunctional acrylates used for UV materials—Capillary gas chromatography - 英文版 |
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GB/T 12688.1-2011 Test method of styrene for industrial use - Part 1: Determination of purity and hydrocarbon impurities - Gas chromotography - 英文版 |
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GB/T 24490-2009 Test method for purity of multi-walled carbon nanotubes - 英文版 |
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