Method for determining content of all elements in galvanized sheet substrate by glow discharge spectrometer

A glow spectrometer and the technology of each element, which are applied in the preparation of test samples, electrical excitation analysis, material excitation analysis, etc., can solve the problems of long process and complicated operation, and achieve low detection limit, simple method and reduced use. Effect

Inactive Publication Date: 2015-12-09
INNER MONGOLIA BAOTOU STEEL UNION
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Problems solved by technology

[0005] The present invention solves the problem that the existing method for measuring each element of the galvanized sheet substrate is complex in operation, requires special treatment to remove the surface coating, uses more chemicals, and has a long process

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  • Method for determining content of all elements in galvanized sheet substrate by glow discharge spectrometer
  • Method for determining content of all elements in galvanized sheet substrate by glow discharge spectrometer
  • Method for determining content of all elements in galvanized sheet substrate by glow discharge spectrometer

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Embodiment Construction

[0015] The above-mentioned and other technical features and advantages of the present invention will be described in more detail below in conjunction with the embodiments.

[0016] 1. Method summary:

[0017] Debug the instrument, carry out center positioning and curve calibration to make the instrument reach the best state. The sample needs to be cut into a sample block of appropriate size. The surface of the sample block should be flat and free of defects. After simple wiping to remove the surface dirt, the sample is installed in the sample chamber of the spectrometer , Measure the intensity of the spectral line, obtain the change curve of the intensity of each element with time, analyze and calculate the content of each element in the galvanized sheet matrix by analyzing the curve.

[0018] 2. Main equipment:

[0019] 2.1 Cutting machine, which can cut steel samples of different sizes in the cutting area

[0020] 2.2GDProfiler2 glow spectrometer

[0021] 3. Electrode spe...

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Abstract

The invention discloses a method for determining the content of all elements in a galvanized sheet substrate by a glow discharge spectrometer, so as to solve the problems that the operation of determination of all the elements in the galvanized sheet substrate in an existing method is complex, surface coating needs to be treated specially, more chemicals are used, and a process is long; the method disclosed by the invention is more quick, accurate and efficient to use; the method comprises the steps that an apparatus is debugged, centralized positioning and curve calibration are performed to achieve a best state of the apparatus, a sample needs to be cut into sample pieces, the selected sample pieces of which the surfaces need be smooth and defect-free, the sample pieces are arranged in a spectrometer sample room after the sample pieces are scrubbed to remove dirt on the surface, the spectral line intensity is determined so as to obtain changing curves of the intensity of all the elements along with the time, and analysis and calculation are performed on the curve to obtain the content of all the elements in the galvanized sheet substrate.

Description

technical field [0001] The invention relates to the technical field of matrix analysis, in particular to a method for measuring the content of each element in a galvanized sheet matrix by using a glow spectrometer. Background technique [0002] In recent years, scientists have found that in many cases, the composition and structure of the material surface have a special effect on the properties of the material, so the importance of surface analysis and layer-by-layer analysis has increasingly attracted analysts' attention. [0003] Glow Discharge-Optical Emission Spectrometry (GD-OES) is a spectral analysis technique developed based on the principle of inert gas discharge at low pressure. Glow discharge emission spectrometer is mainly composed of four parts: glow discharge light source, spectroscopic system, detection system and computer control system. [0004] Inductively coupled plasma emission spectrometers, plasma mass spectrometers, atomic absorption spectrophotometer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/67G01N1/28
Inventor 刘建华常欢戴文杰王宴秋刘钢耀
Owner INNER MONGOLIA BAOTOU STEEL UNION
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