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本文建立了一种用空气－乙炔火焰原子吸收法直接测定土壤中铝的分析方法。研究了添加四甲基氯化铵（ＴＭＡＣ）对测定铝时的增感效果，方法简便，快速实用，应用于土壤标准样品的测定，获得满意的结果。
This paper established a method for the direct determination of aluminum in soil by air-acetylene flame atomic absorption spectrometry. The effect of adding tetramethylammonium chloride (TMAC) on the determination of aluminum was studied. The method was simple, rapid and practical, and was applied to the determination of soil standard samples with satisfactory results.