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Method for analyzing and detecting alloying elements in beryllium-aluminum alloy

A technology of beryllium aluminum alloy and detection method, which is applied in the field of analysis and detection, can solve the problems of easy volatilization of germanium element, influence of analysis and detection, etc., and achieves the effects of good reproducibility, less interference and good precision

Inactive Publication Date: 2011-06-15
CSIC NO 12 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide an analysis and detection method of alloy elements in beryllium aluminum alloy, which solves the problem that the existing analysis and detection method silver element has a serious impact on the analysis and detection of it and other alloy elements, and the germanium element is volatile

Method used

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  • Method for analyzing and detecting alloying elements in beryllium-aluminum alloy
  • Method for analyzing and detecting alloying elements in beryllium-aluminum alloy
  • Method for analyzing and detecting alloying elements in beryllium-aluminum alloy

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Determination of silver element

[0042] Step 1: Prepare the sample solution containing silver beryllium aluminum alloy to be tested

[0043] Weigh 0.1 g of the silver-beryllium aluminum alloy sample to be tested and 5 ml of 20% sodium hydroxide solution, place it in a polytetrafluoroethylene plastic beaker, and dissolve it at low temperature. After the silver-beryllium aluminum alloy sample to be tested is completely decomposed , add a small amount of 30% hydrogen peroxide dropwise for oxidation, heat and decompose excess hydrogen peroxide after oxidation, cool to obtain a mixed solution, add 30 milliliters of 50% hydrochloric acid and 10 milliliters of 50% nitric acid, after acidification Transfer to a glass beaker, heat until the solution is completely clear, transfer it to a volumetric flask after cooling, dilute to 100 ml with water, and shake well to obtain a sample solution containing silver beryllium aluminum alloy to be tested;

[0044] Step 2: Draw a standard...

Embodiment 2

[0063] Determination of silicon element

[0064] Step 1: Prepare the sample solution containing silicon beryllium aluminum alloy to be tested

[0065] Weigh 0.1 gram of the silicon-containing beryllium aluminum alloy sample to be tested and 3 ml of 20% sodium hydroxide solution, place it in a polytetrafluoroethylene plastic beaker, and dissolve it at low temperature. After the silicon-beryllium aluminum alloy sample to be tested is completely decomposed , add a small amount of 30% hydrogen peroxide dropwise for oxidation, heat and decompose excess hydrogen peroxide after oxidation, cool to obtain a mixed solution, add 50 ml of 50% hydrochloric acid and 20 ml of 50% nitric acid, after acidification Transfer to a glass beaker, heat until the solution is completely clear, transfer it to a volumetric flask after cooling, dilute to 100 ml with water, and shake well to obtain a sample solution containing silicon beryllium aluminum alloy to be tested;

[0066] Step 2: Draw a standar...

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Abstract

The invention discloses a method for analyzing and detecting alloying elements in a beryllium-aluminum alloy. The method comprises the following steps: weighing a beryllium-aluminum alloy sample to bedetected and 20% sodium hydroxide solution in the mass ratio of (0.1 to 5): 100, and putting into a polytetrafluoroethylene plastic beaker; dissolving at a low temperature; oxidizing by adding 30% hydrogen peroxide in a small amount drop by drop, and decomposing excessive hydrogen peroxide by heating after oxidizing; cooling to obtain a mixed solution; weighing the mixed solution, 50% hydrochloric acid and 50% nitric acid in the volume ratio of (5 to 10): (30 to 50): (10 to 20); acidizing and heating until the solution is absolutely clear; cooling and diluting the solution to the required volume with water; shaking the solution up to obtain the beryllium-aluminum alloy sample solution to be detected; then, plotting standard working curves; and finally detecting the samples. The method foranalyzing and detecting alloying elements in a beryllium-aluminum alloy in the invention solves the problems of the determination of silver with higher content in the beryllium-aluminum alloy material and the influence thereof on other elements to be detected in the material in the analysis and detection using plasma emission spectra.

Description

technical field [0001] The invention belongs to the technical field of analysis and detection, and in particular relates to an analysis and detection method of alloy elements in beryllium aluminum alloys. Background technique [0002] Among the existing chemical analysis methods for beryllium-containing materials, there are only chemical analysis methods for elements in beryllium copper and beryllium-nickel materials with a low content of beryllium (<5%), and the analysis method for impurity elements in pure beryllium. There is currently no corresponding method for the analysis of alloy elements in beryllium aluminum alloy materials (containing beryllium ≈ 60%). For beryllium aluminum alloy materials, they are different from beryllium copper, beryllium nickel and pure beryllium materials, and cannot be analyzed in terms of analysis methods. generic. Silver, silicon, cobalt, germanium, vanadium, titanium and other six elements are used as alloy components of beryllium alu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/73G01N1/28
Inventor 王洁张兴荣杨希文何源李海军
Owner CSIC NO 12 RES INST
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