化学分析计量
化學分析計量
화학분석계량
CHEMICAL ANALYSIS AND METERAGE
2014年
3期
96-98
,共3页
检出限%数理统计%批内%批间标准偏差
檢齣限%數理統計%批內%批間標準偏差
검출한%수리통계%비내%비간표준편차
detection limit%mathematical statistics%intra-assay and inter-assay standard deviation
环境分析化学中，尤其痕量分析时，方法检出限对于监测结果的报出很重要。检出限的确定常会涉及空白标准偏差的计算。通过对一典型案例剖析，指出一部分新制修订环境标准方法采用空白批间标准偏差计算检出限是不合理的。在求算检出限时应先判断批间是否存在显著性差异。
環境分析化學中，尤其痕量分析時，方法檢齣限對于鑑測結果的報齣很重要。檢齣限的確定常會涉及空白標準偏差的計算。通過對一典型案例剖析，指齣一部分新製脩訂環境標準方法採用空白批間標準偏差計算檢齣限是不閤理的。在求算檢齣限時應先判斷批間是否存在顯著性差異。
배경분석화학중，우기흔량분석시，방법검출한대우감측결과적보출흔중요。검출한적학정상회섭급공백표준편차적계산。통과대일전형안례부석，지출일부분신제수정배경표준방법채용공백비간표준편차계산검출한시불합리적。재구산검출한시응선판단비간시부존재현저성차이。
In environmental analytical chemistry,especially trace analysis,the methods detection limit for the reported results of the monitoring is extremely important. Determination of the detection limit often involves with calculating the standard deviation of the blank. Based on the analysis of a typical case,it was pointed out that part of the revised environmental standard method of using the new system between batches blank to calculate the standard deviation of the detection limit was unreasonable. Before calculating the detection limit it is necessary to determine whether there are significant differences between batches.
