摘要
在控制测定条件,使测定的结果服从正态分布时,分光光度法的精密度和准确度将分别等于0.66R和0.66R/n^(1/2)。R是样本极差(X_(max)-X_(min)),n是样本大小(容量)。
When the determination result is controlled to obey normal distribution,the precision 'Pr' and the accuracy 'Ac' of the spectrophotometry is equal to 0.66 R and 0.66 R/n respectively,that is Pr = 0.66 R and Ac = 0.66 R/n.R is the sample limit error (Xmax-Xmin)and n is the sample size.
出处
《化学分析计量》
CAS
2000年第4期30-32,共3页
Chemical Analysis And Meterage
关键词
正态分布
精密度
准确度
分光光度法
样本极差
normal distribution,precision,accuracy,spectrophotometry,sample limit error
