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    • 10. 发明申请
    • LIQUID CHROMATOGRAPH AND LIQUID FEEDER FOR LIQUID CHROMATOGRAPH
    • 用于液相色谱的液相色谱和液体进料器
    • US20120291531A1
    • 2012-11-22
    • US13575191
    • 2012-01-25
    • Daisuke AkiedaTomohiro Shoji
    • Daisuke AkiedaTomohiro Shoji
    • G01N30/16
    • G01N30/34G01N30/26G01N2030/326G01N2030/347
    • Provided is a liquid chromatograph of a gradient type capable of promoting the mixture of a plurality of solvents without increasing flow passage volume. To this end, the liquid chromatograph includes: a Pump configured to suck a plurality of solvents and feed the solvents to a sample injection device, a separation column that separates a sample to be analyzed into components; and a detector that detects a component of the sample fed from the separation column. The Pump is configured to suck the plurality of solvents through an intake port and feed the solvents to a sample injection device through a discharge port and mix the plurality of solvents at between the intake port and the discharge port. The Pump further includes a cylinder and a plunger that reciprocates inside the cylinder, and the cylinder has an inner wall provided with a recess to generate a whirl in the plurality of solvents.
    • 本发明提供能够促进多种溶剂的混合而不增加流路体积的梯度型液相色谱仪。 为此,液相色谱仪包括:泵,被配置为吸取多种溶剂并将溶剂供给到样品注入装置;分离柱,将待分析的样品分离成成分; 以及检测器,其检测从分离塔供给的样品的成分。 泵被配置为通过进气口吸收多个溶剂,并且通过排出口将溶剂供给到样品注射装置,并且在进气口和排出口之间混合多个溶剂。 该泵还包括一个气缸和一个柱塞,其在气缸内往复运动,气缸具有设置有凹槽的内壁,以在多个溶剂中产生旋转。