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研究了石墨炉原子吸收光谱仪自动进样系统误差来源及对测量精密度的影响，对手工配制和自动进样系统配制工作曲线进行了比较，得到相吻合的结果。
The sources of error of automatic sampling system of graphite furnace atomic absorption spectrometer and its influence on measurement precision were studied. The comparison between manual preparation and automatic sampling system was made and the results were in good agreement.