Analyzing method for fast simultaneously detecting Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash-converting slag

An analysis method and joint measurement technology, applied in the field of chemical analysis and detection, can solve the problem of element standard curve not being linear, and achieve the effects of rapid measurement, high application value and high labor efficiency

Active Publication Date: 2017-01-04
广西金川有色金属有限公司
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Problems solved by technology

[0009] The purpose of the present invention is to provide an analytical method that utilizes the high-efficiency and fast characteristics of X-ray fluorescence spectrometer

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  • Analyzing method for fast simultaneously detecting Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash-converting slag
  • Analyzing method for fast simultaneously detecting Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash-converting slag
  • Analyzing method for fast simultaneously detecting Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash-converting slag

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[0040] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0041] The present invention a kind of rapid combined measurement Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb, the analysis method of Bi in flash blowing slag, this method is carried out according to the following steps:

[0042] 1) Sample preparation: first, sample grinding, put 100-150g of flash blowing slag into the grinding plate of the sample pulverizer and grind for 50-60s, and put the ground sample into a coded sample bag; Second, the sample is pressed, put the sample mold into the sample press, take out 4g~6g of the sample from the coded sample bag with a horn spoon and put it into the sample mold, use industrial boric acid to trim the bottom of the sample mold, and the press keeps Under the conditions of pressure of 25-28T and holding time of 25-30s, the sample is made into a sample piece with a diameter of 32mm, and the industrial...

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Abstract

The invention belongs to the technical field of chemical analyzing and detection and particularly relates to an analyzing method for fast simultaneously detecting Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash-converting slag. The method includes: preparing a sample piece, preparing a standard sample piece, preparing an instrument-drift-corrected sample piece, detecting the instrument-drift-corrected sample piece, selecting a special matrix correcting method, and calculating sample piece measuring and analyzing results. The method has the advantages that powder piece compressing is used, a sample preprocessing process is fast, fast detecting is achieved, multi-element detecting of one sample can be completed in 10 minutes, high labor efficiency and simple operation are achieved, unique instrument analyzing parameters and the unique matrix correcting mode are adopted, the appropriate instrument analyzing parameters and the unique correcting mode are explored, the technical problem that part of element standard curvilinear regression is nonlinear is solved, multi-element simultaneous detecting can be performed, and simultaneous detecting of main components and secondary components can be achieved.

Description

technical field [0001] The invention belongs to the technical field of chemical analysis and detection, and in particular relates to an analysis method for rapid joint detection of Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash blowing slag. Background technique [0002] Flash converting slag is the alkaline calcium ferrite type slag that is discharged from the powdered copper matte in the flash converting furnace when blister copper is formed through strong oxidation and vulcanization reaction. The main components are copper, iron, sulfur, calcium oxide, Silica, etc. Flash blowing uses calcium ferrite slag. Compared with iron silicate slag, calcium ferrite slag has a much stronger ability to dissolve iron tetroxide, which can reach more than 20%, and the slag contains 20% copper oxide. The presence of copper oxide greatly improves the ability of slag to dissolve ferric oxide, which is of great significance to stabilizing furnace conditions. [0003] The qua...

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Application Information

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IPC IPC(8): G01N23/223
CPCG01N23/223
Inventor 唐书天殷昕王纪华史光源王勇
Owner 广西金川有色金属有限公司
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