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Sample application device

A sample pointing device and sample technology, applied in the direction of measuring devices, test sample preparation, instruments, etc., can solve the problem of low sample preparation efficiency, achieve the effect of simplifying maintenance methods and improving preparation efficiency

Pending Publication Date: 2022-05-27
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) Up to 6 sample holders can be inserted, and the sample preparation efficiency is low;
[0004] (2) The socket contact piece of the sample holder is built-in and cannot be repaired in the glove box;

Method used

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  • Sample application device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] like Image 6 As shown, all the contact inserts 4 of the spotting device are inserted into the sample holder 13, and at this time all the toggle switches 6 are in the OFF state (closed). Electric current is passed through all the metal strips of the sample holder 13, so that the sample on the sample holder 13 is evaporated.

Embodiment 2

[0050] like Figure 7 As shown, there are two contact inserts 4 on the spotting device that are not inserted into the sample holder 13, and the remaining six contact inserts 4 are inserted into the sample holder 13. At this time, the corresponding two contact inserts 4 that are not inserted into the sample holder 13 will be Two toggle switches 6 are in the ON state (open), the remaining six toggle switches 6 are in the OFF state (closed), the current passes through the metal belts of the six sample holders 13, and the samples are evaporated.

Embodiment 3

[0052] like Figure 8 As shown, the contact inserts 4 are arranged from left to right in the figure, the contact insert 4 of No. 5 is in poor contact and cannot be used normally, the contact insert 4 of No. 7 and No. 8 is not inserted into the sample holder; No. 1 and No. 2 , No. 3, No. 4, No. 6 contact inserts 4 are inserted into the sample holder 13; then turn the No. 5, No. 7, No. 8 toggle switches 6 to the ON state (open), No. 1, No. 2, No. 3, No. 4 and No. 6 toggle switches 6 are in the OFF state (closed), and the current passes through the sample holders 13 on the No. 1, No. 2, No. 3, No. 4, No. 6 contact inserts 4, and the sample can still be evaporated normally.

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PUM

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Abstract

The invention belongs to the technical field of thermal ionization mass spectrometers, and particularly relates to a sample application device which is used for preparing a sample of a thermal ionization mass spectrometer and comprises a case (14) provided with a plurality of sample support hole sites, and a sample support (13) provided with a sample can be inserted into each sample support hole site. Wherein sample brackets (13) are inserted into any several sample bracket hole sites, so that samples can be prepared. Hole sites of the sample support adopt modular independent design and can be rapidly replaced after being damaged, and the maintenance mode in the glove box is simplified. An independent toggle switch (6) is designed at the back of each sample support hole site, and the contact inserts (4) without the sample supports (13) can be communicated by toggling the corresponding toggle switches (6); when a certain sample support hole site is damaged, the sample support hole site can be short-circuited directly through the corresponding toggle switch (6), and the use of the whole device is not affected.

Description

technical field [0001] The invention belongs to the technical field of thermal ionization mass spectrometers, in particular to a spotting device. Background technique [0002] The spotting device is used for thermal ionization mass spectrometer sample preparation. Insert the sample holder into the spotting device, rotate a certain angle to make the metal belt surface on the sample holder horizontal and fix it, drop the sample microdroplets on the surface of the metal belt, and energize the spotting device to dry the sample and fix it. The existing spotting devices mainly have the following problems: [0003] (1) Up to 6 sample holders can be inserted, and the sample preparation efficiency is low; [0004] (2) The sample holder jack contacts are built in and cannot be repaired in the glove box; [0005] (3) The sample holder needs to be inserted in sequence, and when the sample holder is not fully inserted, an extra section of wire should be inserted into the two ends of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/44G01N27/626H01J49/00
CPCG01N1/44G01N27/626H01J49/0095
Inventor 应浙聪熊超杰
Owner CHINA INSTITUTE OF ATOMIC ENERGY