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    • 2. 发明授权
    • Scraping, collecting & eluting apparatus for thin layer chromatography
and method for its use
    • 用于薄层色谱的刮取,收集和洗脱设备及其使用方法
    • US4863610A
    • 1989-09-05
    • US060402
    • 1987-06-11
    • Brian D. Campbell
    • Brian D. Campbell
    • B01D29/01B01D29/64B01L3/00G01N30/90G01N30/94
    • G01N30/94B01D29/01B01D29/6469B01L3/502G01N30/90Y10T436/255
    • A device and method for scraping and collecting adsorbent from located areas on developed thin layer chromatography plates and extracting substances from collected adsorbent. The above functions can be performed without additional apparatus. The device is constructed of polypropylene to allow for easy use, manufacture and low cost. The shell surrounds a primary filtering and retaining material and a secondary filter. The adsorbent is removed from the thin layer chromatography plate via a scraping edge and collected by aspirating the adsorbent into the device where it becomes embedded in the primary filtering and retaining material. The device can then be separated to allow facile addition of a solvent to elute the sample out of the device free of adsorbent. The scraping process is improved as a result of the polypropylene contact with the plate, the collection process minimizes loss of removed adsorbent, and the elution/filtration allows easy recovery of developed samples. These functions are accomplished within this device and therefore time spent in preparation and cleanup is kept to a minimum. This device is potentially disposable.
    • 一种用于从开发的薄层色谱板上的位置区域刮取和收集吸附剂并从收集的吸附剂中提取物质的装置和方法。 可以在没有附加装置的情况下执行上述功能。 该设备由聚丙烯制成,以便于使用,制造和低成本。 壳体围绕初级过滤和保持材料和次级过滤器。 吸附剂通过刮削边缘从薄层色谱板上去除,并通过将吸附剂吸入装置中并将其吸收到初始过滤和保留材料中而收集。 然后可以分离该装置以允许容易地添加溶剂以将样品从不含吸附剂的装置中洗脱出设备。 由于聚丙烯与板接触,刮擦过程得到改善,收集过程使得去除的吸附剂的损失最小化,并且洗脱/过滤允许显影样品的容易回收。 这些功能在该设备内完成,因此用于准备和清理的时间保持在最低限度。 该设备可能是一次性的。