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    • 4. 发明授权
    • Method and apparatus for cleansing residue from a sample transfer probe
    • 从样品转移探针清洗残留物的方法和设备
    • US4088446A
    • 1978-05-09
    • US797370
    • 1977-05-16
    • Bernhard W. HuberRolf G. A. Tamm
    • Bernhard W. HuberRolf G. A. Tamm
    • G01N1/00G01N1/14
    • G01N35/1095Y10T436/114998
    • Heat is applied to atomize the residual liquid from a sample transfer probe on which at least the tip is fabricated of heat resistant material. In one embodiment, the sample transfer probe is disposed within an atomic absorbtion spectrometer having a hollow graphite furnace that includes a port through which the sample is dispensed for atomization in the furnace. The probe tip in this embodiment is configured to extend into the graphite furnace while making thermal contact therewith so that the sample residue on the probe tip is atomized simultaneously with the sample in the furnace. Inert gas is connected to the sample transfer probe through a control valve to flush the atomized sample residue from within the probe tip in still another embodiment.
    • 施加热量以从其中至少尖端由耐热材料制成的样品转移探针雾化残余液体。 在一个实施例中,样品转移探针设置在具有中空石墨炉的原子吸收光谱仪中,所述中空石墨炉包括端口,通过该端口分配样品以在炉中雾化。 本实施例中的探针尖端被配置为延伸到石墨炉中,同时与其接触,使得探针尖端上的样品残留物与炉中的样品同时雾化。 在另一个实施方案中,惰性气体通过控制阀连接到样品转移探针,以从探针尖端内冲洗雾化样品残留物。