结果表明,用本法对实际茶叶样品测定时,相对标准偏差小于4 %,回收率为94.5%-101.8%。测定茶叶标准样品时结果与标准值相符。
The results indicated that the relative standard deviation is less than 4% and the recovery is in the range of 94. 5%-101. 8% by this method.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋,相对误差小于7.15%,相对标准偏差为5.85%。
The quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
结果用此方法测定多糖的标准曲线,其相关系数为0。9997,平均回收率为99。62%,相对标准偏差为1。
Results The correlation coefficient of standard curve was 0.999 7, the recovery rate was 99.62 % and RSD was 1.94 %.
结果用此方法测定多糖的标准曲线,其相关系数为0。9997,平均回收率为99。62%,相对标准偏差为1。
Results The correlation coefficient of standard curve was 0.999 7, the recovery rate was 99.62 % and RSD was 1.94 %.
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