Washer for NMR tubes with J. Young valve
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The inverted 5 mm NMR tube is sealed into the washer with a ground-glass stopper. Applied vacuum sprays solvent inside and against the closed end of tube for thorough cleaning. Fits flask with standard taper 24/40 joint. Joint : bottom Joint : ST/NS24/40 top Joint : ST/NS19/26 用户评论 产品评分 目前评分共0人 产品质量
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