2000
DOI: 10.1590/s0100-40422000000400010
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Dissolução eletrolítica para a determinação de elementos de liga em aço ferramenta por ICP-AES

Abstract: Recebido em 16/7/99; aceito em 14/12/99 ELECTROLYTIC DISSOLUTION FOR CONSTITUENTS DETERMINATION IN TOOL STEELS BY ICP-AES. Different methods have been applied to solve special problems of metal analysis.First, the solid samples of tool steels were analyzed by X-ray fluorescence. Alternatively, an on-line electrodissolution implemented in a flow injection system and conventional dissolution procedure for determination of W, Mo, V and Cr in tool steels by ICP-AES is described. The resulting analyte solutions wer… Show more

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Cited by 2 publications
(2 citation statements)
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“…This hydrolysis effect can possibly cause erroneous analytical results as a consequence of interference of the analytical procedure. An electrolytic sample decomposition method, where a conductive solution is used to carry charge, and a current is also applied between a metal sample and the electrodes, is proposed [3][4][5][6][7][8][9][10][11][12][13][14][15][16] to avoid sample-preparation procedures. Electrolytic sampling of the metal does not occur in a discrete spot compared to the Spark-OES method.…”
Section: Introductionmentioning
confidence: 99%
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“…This hydrolysis effect can possibly cause erroneous analytical results as a consequence of interference of the analytical procedure. An electrolytic sample decomposition method, where a conductive solution is used to carry charge, and a current is also applied between a metal sample and the electrodes, is proposed [3][4][5][6][7][8][9][10][11][12][13][14][15][16] to avoid sample-preparation procedures. Electrolytic sampling of the metal does not occur in a discrete spot compared to the Spark-OES method.…”
Section: Introductionmentioning
confidence: 99%
“…Those examined trace and major elements, like chromium, nickel, manganese and silicon contents for alloys such as stainless-steel using ICP-AES as a detector of elements. [3][4][5][6][7] This method is also used as sample-preparation for inductively coupled plasma mass spectrometry 8,9 or atomic absorption spectrometry. 10,11 Similarly, we have developed a rapid, precise and quantitative analysis method by electrolytic sample decomposition ICP-AES measurements, and have applied it for silicon, manganese, nickel, copper, aluminum, titanium, chromium, sulfur, and phosphorus determination in low-carbon steel.…”
Section: Introductionmentioning
confidence: 99%