Solid-phase extracting device capable of being switched on line

一种可在线切换的固相萃取装置

Abstract

本实用新型公开了一种可在线切换的固相萃取装置,包括壳体、上盖和可转动支架,在上盖的圆心部位设置有与中心孔,以中心孔为圆心一定半径的圆周上等角度设置4-12个与SPE柱连接的小孔,在上盖上还设置有抽气孔管和排气阀,所述支架为转动支架,由上、中、下三个直径相同、中央设有中心孔并按一定间隔上下排列的圆盘和与之连接的圆盘支架连接螺杆及中心转轴组成,在上、中两个圆盘上交错设置与上盖上的SPE柱连接小孔垂直对应的放置样液接收管和废液接收管孔,中心转轴穿过上盖中心孔,再穿入上、中、下三个圆盘的中心孔连为一体。这种装置可同时处理多个样品,可对流速实现方便地控制,可在线切换,方便收集洗脱液,使用简单方便。
The utility model discloses a solid-phase extracting device capable of being switched on line. The solid-phase extracting device comprises a casing, an upper cover and a rotatable supporting stand, wherein the circle center of the upper cover is provided with a center hole, 4-12 small holes which are connected with an SPE column are arranged on a circumstance which utilizes the center hole as the centre of circle and has a certain radius in equal angle, a pumping hole pipe and an exhaust valve are further arranged on the upper cover, the supporting stand is a rotatable supporting stand, and comprises an upper, a middle and a lower circular discs which have the same diameters and are up and down arrayed in a certain distance and whose centers are provided with center holes, a circular disc supporting stand which is connected with the circular discs and is connected with a threaded rod, and a center rotary shaft, a receiving pipe for holding sample liquid and a waste liquid receiving pipe hole which are vertical and correspond to SPE column connecting holes on the upper cover are staggered on the upper round disc and the middle round disc, the center rotary shaft penetrates through the center hole of the upper cover, and further penetrates through the center holes of the upper disc, the middle disc and the lower disc, and is connected into a whole. The solid-phase extracting device can simultaneously process a plurality of samples, can achieve convenient control to flow speed, can be switched on line, is convenient for collecting eluent, and is simple and convenient to use.

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Cited By (4)

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    CN-102327703-AJanuary 25, 2012许盛英Method for dehydrating alcohol-based sterilizing and fresh-keeping solution
    CN-102327703-BAugust 14, 2013许盛英醇基杀菌保鲜液脱水的方法
    CN-105344131-AFebruary 24, 2016河北中烟工业有限责任公司Manual solid phase extraction device
    CN-106018613-AOctober 12, 2016西安交通大学Solid-phase extraction device capable of realizing multi-column series connection through online switching and extraction method of solid-phase extraction device