Automatic sampling system and method
An automatic sampling and sample technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of complex devices and increase device complexity, meet explosion-proof requirements, simplify detection logic and detection process, and avoid abnormal analysis results Effect
Pending Publication Date: 2022-03-04
SHANGHAI SYNTHEALL PHARM CO LTD
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Problems solved by technology
The device uses a sampling needle to achieve inhalation and sampling. The device is complex and must meet high-precision requirements. In addition, the current factory has high requirements for explosion protection. The above-mentioned device needs to take various protective measures according to the explosion-proof requirements, which further increases the complexity of the device.
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[0041] The present invention will be further described below in conjunction with specific embodiment and accompanying drawing, set forth more details in the following description so as to fully understand the present invention, but the present invention can obviously be implemented in many other ways different from this description, Those skilled in the art can make similar promotions and deductions based on actual application situations without violating the connotation of the present invention, so the content of this specific embodiment should not limit the protection scope of the present invention. It should be noted that these and other subsequent drawings are only examples, which are not drawn according to the same scale, and should not be taken as limitations on the protection scope of the actual claims of the present invention.
[0042] In order to facilitate the understanding of the content of the application, the following introduction uses specific words to describe t...
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An automatic sampling system includes a diluted solvent metering chamber, a premixing chamber, and a mixing chamber. The diluted solvent measuring cavity comprises a pneumatic input port and a sample inlet, the pneumatic input port is used for receiving pneumatic force, and the sample inlet is used for receiving a diluted solvent; the premixing cavity comprises a sample receiving pipeline, is used for receiving a to-be-tested sample and is also communicated with the diluted solvent measuring cavity in a closable manner; the mixing cavity is communicated with the premixing cavity in a closable manner and is configured to accumulate pressure so as to send a sample to a high performance liquid chromatograph by virtue of the pressure in the cavity; and the pipelines among the diluted solvent measuring cavity, the premixing cavity and the mixing cavity are configured to allow the air force received by the air force input port to push the diluted solvent into the premixing cavity to be mixed with a sample to be measured, and push the mixed mixture into the mixing cavity by means of continuous air force supply. The system can realize automatic sampling, dilution and sample feeding of the high performance liquid chromatograph. The invention further provides an automatic sampling method.
Description
technical field [0001] The invention relates to the field of high performance liquid chromatography, in particular to the field of sampling devices for high performance liquid chromatography. Background technique [0002] High-performance liquid chromatography has the advantages of high resolution, high sensitivity, fast speed, reusable chromatographic column, and easy collection of effluent components, so it is widely used in biochemistry, food analysis, pharmaceutical research, environmental analysis, inorganic analysis, etc. various fields. [0003] In the continuous production process, high performance liquid chromatography is also a relatively common analysis and monitoring instrument; but in the actual analysis and detection process, the staff often need to collect, dilute and analyze a large number of samples to judge whether the production process is stable . If the method of manual dilution and sample injection is continued, not only the work efficiency will not b...
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Login to View More IPC IPC(8): G01N30/24G01N30/02G01N30/36
CPCG01N30/24G01N30/02G01N30/36
Inventor 吴国凯朱程姜洋洋罗长锋袁鹏程张华
Owner SHANGHAI SYNTHEALL PHARM CO LTD