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经典的铅试金法比较成熟,具有富集效果稳定、效率高,对矿种适应性广,可取大量样品分析等特点,至今仍是冶金,地质等单位贵金属分析的重要手段。 金在铅试金熔炼和灰吹过程中有损失,为了减少这种损失和摸索损失的规律,以便对分析结果做校正,从而提高分析结果的准确度,作者考查了微克量级的地质标准参考样品在熔炼和灰吹过程中的损失,提出了校正值。
The classic lead test gold method is relatively mature, with enrichment effect is stable, high efficiency, wide adaptability to the mineral, desirable for a large number of sample analysis and other characteristics, is still an important means of metallurgy, geology and other units of precious metals analysis. In order to reduce the loss and explore the law of loss so as to correct the analysis results and improve the accuracy of the analysis results, the authors examined the microgram-scale geological reference samples In the smelting and ash blowing process losses, the proposed correction.