前密封垫圈,用于0.25,0.2和0.1 mm内径色谱柱,15%石墨/85% Vespel,10/包

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Thermal conductivity detector assembly, for Agilent 7820A GC System

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Column nut, for Agilent 6850 GC, 2/pk

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气相色谱热导检测器标样,溶于己烷,0.5 mL

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Filament block only, original EPC, standard TCD analysis, must reuse heater/sensor

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TCD压力检查塞

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前密封垫圈,用于0.53 mm内径色谱柱,15%石墨/85% Vespel,10/包

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Capillary column adapter

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