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    • 1. 发明授权
    • Apparatus for sample application in thin layer and paper chromatography
    • 在薄层和纸质色谱中应用样品的设备
    • US3766884A
    • 1973-10-23
    • US3766884D
    • 1971-06-28
    • LONG ISLAND JEWISH MEDICAL CT
    • ROSENTHAL A
    • G01N30/91B05C11/00
    • G01N30/91
    • An apparatus for producing spots of specimens of material on a plate having a thin layer adsorbing surface, the specimens being dissolved in a diluting solvent for chromatographic analysis, with a plurality of units, each one of the units comprising a glass tube which is filled with a specimen through a funnel-like glass filling tube projecting perpendicularly from the upper surface of the specimen tube, the latter also having an open front and which is stoppered or otherwise covered by a teflon or other inert plug through which passes a capillary tube, the capillary tube having a bent front end protruding from the open front end of the glass tube so that the end of the capillary is very close to the adsorbing surface of the plate, and an air tube above the front end of the capillary which may be adjustably set to blow a low-pressure air stream onto the specimen emanating from the capillary to evaporate the solvent, thereby forming a spot of the specimen on the thin-layer adsorbing surface of the plate.
    • 一种用于在具有薄层吸附表面的板上产生材料样品斑点的装置,将样品溶解在用于色谱分析的稀释溶剂中,用多个单元,每个单元包括填充有 样品通过从样品管的上表面垂直地突出的漏斗状玻璃填充管,后者也具有开放的前部,并且塞住或以其它方式被聚四氟乙烯或其它惰性塞子覆盖,通过毛细管通过毛细管, 毛细管具有从玻璃管的开放前端突出的弯曲的前端,使得毛细管的端部非常接近板的吸附表面,并且在毛细管的前端上方的空气管可调节 将低压气流吹送到从毛细管发出的样品上蒸发溶剂,从而在薄层吸附层上形成样品点 面板的盘子