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    • 4. 发明申请
    • Analytical Method for Organic Compounds Utilizing Spe Cartridges and Apparatus Therefor
    • 有机化合物利用香烟的分析方法及其设备
    • US20080179252A1
    • 2008-07-31
    • US11661264
    • 2005-06-14
    • Ryoichi SasanoKazuaki KijiYutaka Nakanishi
    • Ryoichi SasanoKazuaki KijiYutaka Nakanishi
    • B01D15/08
    • G01N30/24G01N35/1095G01N2030/085
    • This invention relates to an analytical method and an apparatus utilizing a SPE cartridge, which can realize enhanced accuracy and workability in the analysis of trace substances, such as residual pesticides, can clean the inside of piping, needle valves etc, can eliminate the influence on the analysis and can conduct these operations automatically. In the analytical method and apparatus utilizing a SPE cartridge, analytes previously adsorbed to a SPE cartridge is eluted with a solvent from a liquid feed pump. The eluate was injected into a storage chamber in a gas chromatograph through a needle inserted into an injection port in the storage chamber. The needle is pulled up from the injection port, and the inside of the needle is washed with a solvent fed from the liquid feed pump. The wash liquid is discarded, and the analysis of organic compounds as analytes in an subject sample is carried out.
    • 本发明涉及一种利用SPE滤芯的分析方法和装置,其可以在残留农药等痕量物质的分析中实现更高的精度和可操作性,可以清洗管道内部,针阀等,可以消除对 分析并自动进行这些操作。 在使用SPE柱的分析方法和装置中,先前被吸附到SPE柱的分析物用来自液体进料泵的溶剂洗脱。 将洗脱液通过插入储存室中的注入口中的针注入气相色谱仪的储存室中。 针从注射口拉起,针头内部用从液体供给泵供给的溶剂洗涤。 将洗涤液弃去,对被检样品中的有机化合物作为分析物进行分析。
    • 5. 发明申请
    • Stationary Phase Extraction Cartridge
    • 固定相萃取筒
    • US20070240777A1
    • 2007-10-18
    • US10594546
    • 2005-03-24
    • Ryoichi SasanoKazuaki KijiYutaka Nakanishi
    • Ryoichi SasanoKazuaki KijiYutaka Nakanishi
    • B05B1/22
    • G01N30/603G01N30/6065Y10T137/9464
    • An inflow side frit (3), a stationary phase filler (4), and an outflow side frit (5) are installed in a cylindrical cartridge body (1A) from the upper side, a stopper part (1f) supporting the outflow side frit is formed at the inner surface bottom end of the cartridge body (1A), and a fitting part capable of holding the inserted state of the lower end of the other cartridge body (1A) inserted from the upper end of the cartridge body (1A) to a specified position is formed on the cartridge body (1A). The fitting part comprises an inside tapered surface (1g) formed on the inner surface of the cartridge body (1A) on the inserted side and having a diameter increased toward the upper side and an outside tapered surface formed on the outer surface of the cartridge body on the insert side and having a diameter increased toward the upper side.
    • 流入侧玻璃料(3),固定相填料(4)和流出侧玻璃料(5)从上侧安装在圆筒形筒体(1A)中,支撑流出物的止动部分(1f) 在盒主体(1A)的内表面底端形成侧玻璃料,并且能够保持从盒的上端插入的另一个盒体(1A)的下端的插入状态的装配部 主体(1A)到指定位置形成在盒体(1A)上。 装配部分包括形成在插入侧的盒体(1A)的内表面上的内锥形表面(1g),并且具有朝向上侧增加的直径和形成在该外壳的外表面上的外锥形表面 盒体在插入物侧上并且具有朝向上侧增加的直径。