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Rapid array preparation method of powder samples for energy spectrum analysis

An energy spectrum analysis and array technology, which is applied in the field of rapid array preparation of powder samples for energy spectrum analysis, can solve problems such as inability to meet daily analysis, and achieve the effects of improving sample preparation efficiency, convenient positioning, and not easy to contaminate each other.

Inactive Publication Date: 2018-11-23
CHINA ELECTRONICS TECH GRP NO 46 RES INST
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Problems solved by technology

With the development of science and technology, energy spectrum analysis has become more and more important in scientific research. More and more fields need energy spectrum analysis data as support. Conventional sample preparation methods can no longer meet the needs of daily analysis. The preparation method of multiple samples at one time will become a subject that must be developed

Method used

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  • Rapid array preparation method of powder samples for energy spectrum analysis
  • Rapid array preparation method of powder samples for energy spectrum analysis

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:

[0021] refer to figure 1 , the size design of the opening of the arrayed powder sample rack used in the present invention makes the amount of sample held just right, which not only ensures the authenticity of the obtained data, but also does not make too many samples, which will pollute the sample chamber and at the same time have a negative impact on the conductivity of the sample. Sex doesn't matter much. The distance between the openings can also ensure that the samples are not easy to contaminate each other when preparing the samples. In this embodiment, there are four rows of openings on the sample holder, four holes in each row, and a total of sixteen holes. The shape of the openings in the sample holder is rectangular, and the dimensions are: length 2.0mm, width 1.5mm, depth 0.3mm, two holes The distance between them is 2.0mm.

[0022] When prepari...

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Abstract

The invention discloses a rapid array preparation method of powder samples for energy spectrum analysis. The method comprises the following steps: first cleaning a specially-made sample holder with absolute ethyl alcohol or propyl alcohol by ultrasound and drying; pasting single side conducting adhesive on the back of pore array area of the sample holder and keeping the clean of conducting adhesive surface of pore exposed part; using a special sampling spoon to take appropriate sample on the conducting adhesive, with one pore surface being fully paved; then using a self-made pressing bar to compact the sample; other pores on the samples holder is filled with the sample with the same method according to the S / N of samples in turn; using a tweezers to reverse the sample holder for shaking off unsecured powder, then using a suction bulb to lightly blow off all residual unsecured powder to complete sample preparation. The preparation method provided by the invention is simple in operation,convenient in positioning; and samples are not easy to be mixed and mutually contaminated; the sample amount for preparing single sample is small; and batch sample preparation can be achieved, whichgreatly improves the sample preparation efficiency.

Description

technical field [0001] The invention relates to the preparation of powder samples for energy spectrum analysis, in particular to an array type rapid preparation method for energy spectrum analysis powder samples. Background technique [0002] Energy spectrum analysis is a commonly used component analysis method. Now commonly used are X-ray photoelectron spectroscopy, Auger electron spectroscopy and scanning electron microscopy, etc., which can perform qualitative and semi-quantitative analysis of elements in solid samples. , materials science, biology and medicine, legal identification, mineralogy identification and geological system research and other fields have a wide range of applications. [0003] The amount of sample required for energy spectrum analysis is small, and the sample needs to be as flat as possible to obtain accurate data. When analyzing the composition of powdered samples, if the sample is not processed, especially when the powder sample needs to be teste...

Claims

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Application Information

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IPC IPC(8): G01N23/2202
CPCG01N23/2202
Inventor 蔺娴王鑫李雨辰
Owner CHINA ELECTRONICS TECH GRP NO 46 RES INST
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