There had no obvious difference between these two methods, the relative standard deviation was less than 10%, sample recovery rate was 86~119%.
两种方法测定不同类型水中的总铬结果无明显差异，相对偏差均小于10%， 回收率为86～119%。
The best condition of the instrument, sample handle methods, acidity, interfering, detectable limit, precision, rate of recovery and so on were selected and researched.
选择最佳的仪器条件，进行样品处理方法及酸度、干扰离子的研究，做了方法的检出限、精密度、加标回收率等方法学的研究。
When the viscosity of the sample solution is almost identical with the viscosity of the standard solution, the rate of recovery and precision are satisfactory.
当样品溶液的粘度与标准溶液的粘度基本一致时，得到了较理想的回收率和精密度。
Results Total standard deviation of every solution was less than 5% of the concentration or detection limit. The confident limit of total average rate of recovery in sample kept in range of allowable.
结果各种溶液测定的总标准差小于其浓度的5 %或检出限，总平均回收率可信限在允许范围内。
Study was carried out on such indexes as chromatography condition, sample disposal, recovery rate test, extraction efficiency test, linear range, detection limit and accuracy of the method.
方法按照有关检测方法的研制规范的要求，研究了色谱条件的选择、样品的处理方法、回收率试验、萃取效率试验、方法的线性范围及检出限、方法的精密度等指标。
It USES substance's absorption capacity in separate the analyzed substances from interference components. It enhances the analysis capability and increases the recovery rate of the sample.
它利用分析物在不同介质中被吸附的能力差将标的物提纯，有效的将标的物于干扰组分分离，大大增强对分析物特别是痕量分析物的检出能力，提高了被测样品的回收率。
It USES substance's absorption capacity in separate the analyzed substances from interference components. It enhances the analysis capability and increases the recovery rate of the sample.
它利用分析物在不同介质中被吸附的能力差将标的物提纯，有效的将标的物于干扰组分分离，大大增强对分析物特别是痕量分析物的检出能力，提高了被测样品的回收率。
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