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研究了用乙酸纤维素分离富集原子吸收光谱法测定矿石中的金时各种影响因素，试验了若干种阴、阳离子存在下的干扰情况。该法操作简便、富集倍数高，其精密度和准确度都令人满意。
The factors affecting the determination of gold in ore by cellulose acetate separation and preconcentration were studied. The interferences of several kinds of anion and cation were tested. The method is simple, high enrichment fold, the precision and accuracy are satisfactory.