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Rapid analysis method suitable for aluminum, iron and silicon content in aluminum iron alloy

A rapid analysis technology for aluminum-iron alloys, which is applied in the field of rapid analysis of aluminum and silicon content in iron and aluminum-iron alloys, can solve problems such as low efficiency and complicated process of determining the chemical composition of aluminum-iron alloys, and achieve simplified operation methods and daily analysis tasks, reducing analysis time-consuming effects

Inactive Publication Date: 2019-03-08
LIUZHOU IRON & STEEL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a rapid analysis method suitable for the content of aluminum, iron and silicon in aluminum-iron alloys, which can solve the problems of complex process flow and low efficiency of existing aluminum-iron alloy chemical composition determination methods

Method used

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  • Rapid analysis method suitable for aluminum, iron and silicon content in aluminum iron alloy
  • Rapid analysis method suitable for aluminum, iron and silicon content in aluminum iron alloy
  • Rapid analysis method suitable for aluminum, iron and silicon content in aluminum iron alloy

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Embodiment 1

[0036] The rapid analysis method of aluminum, iron, silicon content in the aluminum-iron alloy of the present embodiment comprises the following steps:

[0037] Step A, processing the sample to be analyzed: select the sample to be analyzed of the aluminum-iron alloy, and pass through a 150-mesh molecular sieve.

[0038] Step B, wall-hanging treatment: Put 7.0000g of anhydrous lithium tetraborate powder flux into the crucible, place the crucible in the muffle furnace, melt it at 1050°C for 10 minutes, take out the crucible and rotate it immediately, and put the molten The flux adheres to the inner wall of the crucible and forms a dense crucible protective layer after cooling.

[0039] Step C, preparation of the samples to be analyzed: 0.1500g of the samples to be analyzed obtained in step A, 0.5000g of barium peroxide and 0.5000g of lithium carbonate, mixed and stirred evenly, and the obtained mixture was spread flat in a crucible with a protective layer to avoid aluminum The ...

Embodiment 2

[0049] The rapid analysis method of aluminum, iron, silicon content in the aluminum-iron alloy of the present embodiment comprises the following steps:

[0050] Step A, processing the sample to be analyzed: select the sample to be analyzed of the aluminum-iron alloy and pass it through a 180-mesh molecular sieve.

[0051] Step B, wall-hanging treatment: Put 6.0000g of anhydrous lithium tetraborate powder flux into the crucible, place the crucible in the muffle furnace, melt it at 1050°C for 10 minutes, take out the crucible and rotate it immediately, and put the molten The flux adheres to the inner wall of the crucible and forms a dense crucible protective layer after cooling.

[0052] Step C, preparing the samples to be analyzed: Accurately weigh 0.2000 g of the samples to be analyzed obtained in step A, 0.5000 g of barium peroxide and 0.5000 g of lithium carbonate, mix and stir evenly, spread the obtained mixture in a crucible with a protective layer, Add 1.0000g of lithium...

Embodiment 3

[0057] The rapid analysis method of aluminum, iron, silicon content in the aluminum-iron alloy of the present embodiment comprises the following steps:

[0058] Step A, processing the sample to be analyzed: select the sample to be analyzed of the aluminum-iron alloy and pass it through a 200-mesh molecular sieve.

[0059] Step B, wall-hanging treatment: Put 6.0000g of anhydrous lithium tetraborate powder flux into the crucible, place the crucible in the muffle furnace, melt it at 1050°C for 10 minutes, take out the crucible and rotate it immediately, and put the molten The flux adheres to the inner wall of the crucible and forms a dense crucible protective layer after cooling.

[0060] Step C, preparing the samples to be analyzed: Accurately weigh 0.2000 g of the samples to be analyzed obtained in step A, 0.5000 g of barium peroxide and 0.5000 g of lithium carbonate, mix and stir evenly, spread the obtained mixture in a crucible with a protective layer, Add 1.0000g of lithium...

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Abstract

The invention discloses a rapid analysis method suitable for aluminum, iron and silicon content in an aluminum iron alloy, and relates to the technical field of aluminum iron alloy component analysis.The method comprises the following steps of: treating a sample to be analyzed; performing wall build-up treatment in a crucible; uniformly mixing the sample to be analyzed, barium peroxide and lithium carbonate, spreading the mixture in the crucible, and adding lithium metaborate for covering the surface; performing pre-oxidization, adding a demolding agent for fusing, and cooling to obtain a glass-like sample sheet to be analyzed; selecting high-purity aluminum powder, pure iron and high-purity oxide SiO2 to prepare a series of calibration samples, and preparing a calibration sample sheet according to the previous steps; determining the spectral line intensity of aluminum, iron and silicon in the calibration sample sheet with an X-ray fluorescence spectrometer, and establishing working curves of aluminum, iron and silicon according to the measurement result; determining the fluorescence intensity of the sample sheet to be analyzed according to the working curves to obtain the contentof aluminum, iron and silicon in the sample sheet to be analyzed. By adopting the method, the problems of complex flow and low efficiency in the existing chemical component determination method for the aluminum iron alloy are solved.

Description

technical field [0001] The invention relates to the technical field of composition analysis of aluminum-iron alloys, in particular to a rapid analysis method suitable for the contents of aluminum, iron and silicon in the aluminum-iron alloys. Background technique [0002] Aluminum-iron alloys are necessary raw materials for steelmaking production in iron and steel enterprises. At present, for the determination of various elements of this alloy, no national or industry standard analysis method has been formulated so far, and the traditional chemical wet method is still used for component analysis. The traditional chemical wet method has disadvantages such as cumbersome operation and long process. Currently, there is no commercially available aluminum-iron alloy reference material, and each element is analyzed independently, and the analysis period is as long as 20 hours or more. Therefore, it is urgent to find a more accurate and simple instrument analysis method to complete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223G01N1/28
CPCG01N1/28G01N23/223
Inventor 黄芝敏沈敏覃丹柳陈海黄双凤冷爱芬郑卫红石志宽牛芬
Owner LIUZHOU IRON & STEEL
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