Quantitative spectrochemical analysis of beryllium, boron, magnesium and titanium in aluminium by powrder method
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概要
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It is difficult to get an adequately accurate determination on the quantitative chemical analysis of small amounts of Be, B and Mg contained in aluminium because of the interference of these coexistent elements with them.The authors, therefore, in this report studied on the spectrochemical determination for the three elements and also Ti by the powder method using a "pin to necked-electrodes" intermittent A.C. are source unit as the spectrum excitation for the purpose of reducing the time required for the analysis as well as improveing th eaccuracy.The results were as follows:1) The most favorable condition for the excitation was, current: 10A, intermittent ratio: 1/4×1/sec and exposure time: 10sec (5sec×2).2) When IBe 2348.61Å/ICo 2407.25Å, IB2497.73Å/ICo 2424.93Å and IMg 2852.13Å/ICo 2629.93Å were used as the analytical line pair, an amount of 0.0005-0.048% Be, 0.004-0.080% B and 0.0005-0.040% Mg could be analysed respectively.Whereas, when III Ti 3234.52Å/ICo 3254.12Å and III Ti 3349.41Å/ICo 3254.12Å were used, a Ti content ranging from 0.001-0.065% could be analysed.3) The variation coefficient in this method were 3.4-13.3%, 5.4-14.3% and 4.3-15.4% in the case of Be, B and Mg respectively, and 5.1-8.0% in the case of Ti.The accuracy obtained from this method was quite acceptable for an industrial application and besides the analysis time could be curtailed to about one-fifth of that required for the conventional chemical analysis.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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