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本文导出了无背景时的增量法计算公式与背景扣除增量法计算公式,前者适用于所测谱线无背景时含量的计算,后者适用于所测谱线有背景存在时的含量计算. (一)方法原理 1.无背景时增量法计算公式的导出 对于未知样有 ΔS_1=γblgC_x+γlgA_1
In this paper, the calculation formula of incremental method and background subtraction incremental method without background are derived. The former is suitable for the calculation of the content of the measured line without background and the latter for the calculation of the content of the measured line in the presence of background (1) Principle of the Method 1. Derivation of Calculation Formula of Increment Method without Background For the unknown samples, there is ΔS_1 = γblgC_x + γlgA_1