Quantitative sampling device and method for micro-volume liquid sample
A micro-liquid and sampling device technology, which is applied in the field of mass spectrometry, can solve the problems of complex devices and the inability to directly obtain micro-sample, etc., and achieve the effects of simple device structure, low cost, and simple operation
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[0021] Embodiments of the present invention will be described in detail below. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.
[0022] refer to figure 1 , in one embodiment, a quantitative sampling device for micro-volume liquid samples, comprising a hollow capillary 1, a temperature-resistant sleeve 3 and a heater 4, the hollow capillary 1 is used to transport a liquid sample, the hollow capillary 1 One end is immersed in the liquid sample, and the other end is the outlet port for outputting the liquid sample. The temperature-resistant sleeve 3 is set on the hollow capillary 1, and the temperature-resistant sleeve 3 is provided with a slot 5 in the radial direction. Groove 5 is used as a heating port, and the heater 4 is used for instantaneous heating at the slot 5. When the heater 4 is controlled to heat instantaneously, the hollow capillary 1 from the position of the heating...
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