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Analysis method used for measuring magnesium in magnesium grains via inductive coupled plasma spectral analysis

A technology of plasma spectroscopy and analysis method, which is applied in the field of analysis of magnesium in magnesium particles by ion spectroscopy, can solve the problems of long analysis time, low detection efficiency, long process, etc., achieve short analysis process, improve production efficiency, and reduce losses Effect

Inactive Publication Date: 2017-02-15
INNER MONGOLIA BAOTOU STEEL UNION
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Problems solved by technology

[0004] Therefore, the determination of magnesium in magnesium particles is very important, but the current detection method has a long process, a long analysis time, and a relatively low detection efficiency.

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  • Analysis method used for measuring magnesium in magnesium grains via inductive coupled plasma spectral analysis

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Embodiment Construction

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be clearly and completely described below in conjunction with the preferred embodiments of the present invention. Based on the embodiments in this application, those of ordinary skill in the art will Other similar embodiments obtained without creative work shall all fall within the scope of protection of this application.

[0020] Plasma spectrometry is used to determine the analytical method for magnesium in magnesium particles, the steps are as follows:

[0021] Step 1: Dissolving the magnesium particle sample to obtain a sample solution;

[0022] Weigh 0.1000g of the magnesium particle sample in a 100ml steel volumetric flask, add 20ml of water, dissolve the magnesium particle sample with 2ml of hydrochloric acid (65%), heat to boiling at low temperature, cool, dilute the solution to the mark with water...

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Abstract

The invention discloses an analysis method used for measuring magnesium in magnesium grains via inductive coupled plasma spectral analysis. The analysis method comprises following steps: a magnesium grain sample is dissolved so as to obtain a sample solution; an inductive coupled plasma spectrometer is adopted to measure impurity content of the magnesium grain sample, and blank experiment is carried out at the same time; and then the content of magnesium in magnesium grains is obtained via calculation after deduction of the impurity content. The analysis method is capable of shortening analysis time greatly, reducing loss, and increasing measuring accuracy.

Description

technical field [0001] The invention relates to a chemical analysis method, in particular to an analysis method for determining magnesium in magnesium grains by plasma spectrometry. Background technique [0002] In the current tight raw material market and the rapid development of the iron and steel industry, due to the shortage of raw materials, some enterprises can only eat low-quality coke or iron ore with high sulfur content, causing the sulfur content of molten iron to reach as high as 0.07%, and some even exceed 0.1%, which is a serious problem for smelters. The steel process adds a lot of pressure, which seriously affects the overall cost and benefit of the enterprise. [0003] Metal magnesium particles play a desulfurization role in the pretreatment process of molten iron. After solid metal magnesium particles enter the molten iron, a small part dissolves in the molten iron and quickly reaches saturation; most magnesium particles form magnesium vapor bubbles in the m...

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Application Information

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IPC IPC(8): G01N21/73
CPCG01N21/73
Inventor 李虹刘建华周春玲陈英邹新萍
Owner INNER MONGOLIA BAOTOU STEEL UNION