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Liquid sampler for Raman on-site rapid detection

A liquid sampling and rapid technology, applied in sampling, Raman scattering, sampling devices, etc., can solve the problems of limiting the use of Raman machines, inability to perform effective sampling, etc., to improve the detection limit of Raman, reduce the amount of liquid, Effects that expand application scenarios and scope

Active Publication Date: 2020-06-12
SUZHOU WEIMU INTELLIGENT SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is impossible to effectively sample the liquid with a small amount of liquid or the liquid sprinkled on the solid surface, which limits the use of Raman machines

Method used

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  • Liquid sampler for Raman on-site rapid detection
  • Liquid sampler for Raman on-site rapid detection
  • Liquid sampler for Raman on-site rapid detection

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] A liquid sampler for Raman on-site rapid detection, such as figure 1 and figure 2 As shown, it includes a fixedly connected capillary sampling device and a capillary fixing device. The capillary fixing device includes a capillary fixing block 21. The capillary fixing block 21 is provided with a capillary insertion hole 22 for inserting the capillary sampling device near the capillary sampling device. The capillary fixing block 21 The side away from the capillary sampling device is provided with a Raman probe socket 23 for inserting the Raman probe 4, a light-through hole 24 is opened betwe...

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Abstract

The invention relates to the field of material evidence detection, field detection and medical detection, in particular to a liquid sampler for Raman on-site rapid detection. The liquid sampler is characterized by comprising a capillary tube sampling device and a capillary tube fixing device which are fixedly connected; the capillary tube fixing device comprises a capillary tube fixing block; oneside, close to the capillary tube sampling device, of the capillary tube fixing block is provided with a capillary tube inserting hole for inserting the capillary tube sampling device; a Raman probe insertion hole for inserting a Raman probe is formed in one side, far away from the capillary tube sampling device, of the capillary tube fixing block, a light transmission hole is formed between the Raman probe insertion hole and the capillary tube insertion hole, and a thin slide for blocking the light transmission hole is arranged in the Raman probe insertion hole. According to the invention, the amount of liquid required by Raman detection is greatly reduced, the Raman detection limit is improved, the lower detection limit can reach one microliter, and the application scene and range of Raman are expanded.

Description

technical field [0001] The invention relates to the fields of physical evidence detection, on-site detection and medical detection, in particular to a liquid sampler used for Raman rapid on-site detection. Background technique [0002] Raman spectroscopy belongs to the category of scattering spectroscopy, which is produced by the interaction of light and matter. Because Raman spectroscopy and sub-techniques derived from Raman spectroscopy are efficient, simple, non-destructive, low-cost, non-contact, small sample size, no special sample preparation, high repeatability, It is stable and will not cause physical and chemical decomposition and damage to the sample. It has been widely used in chemical industry, biopharmaceutical, medical testing and other fields, and has made many progresses. It is the focus of attention in the field of non-destructive analysis. In Raman detection, the laser is irradiated on the substance to be detected, and the Raman signal emitted by the subst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65G01N1/14
CPCG01N21/65G01N1/14G01N2001/1418
Inventor 洪俊于林李鹏王群磊龙照
Owner SUZHOU WEIMU INTELLIGENT SYST CO LTD
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