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논문 기본 정보

자료유형
학술저널
저자정보
전정화 (서울대학교 보건대학원 산업보건학교실) 백남원 (서울대학교 보건대학원 산업보건학교실)
저널정보
한국산업보건학회 (구 한국산업위생학회) 한국산업보건학회지 한국산업보건학회지 제4권 제1호
발행연도
1994.1
수록면
103 - 116 (14page)

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This study was conducted to evaluate accuracy and precision of reference values used for quality control of the Korean industrial hygiene laboratory for three rounds. Factors affecting on accuracy and precision, including analytical procedures, were investigated. The results are summarized as follows. 1. Pooled relative standard deviation of reference values analyzed by reference laboratories was 2.01-5.91%, and that by both reference laboratories and participated laboratories was 3.18-6.63%. Better results were obtained when results of reference laboratories were employed. 2. Significant relationship was indicated between analytical precision and concentration of materials in samples. Variation increased by decreasing sample concentration. 3. Recoveries of lead and cadmium were about 98.6% and 99.8% respectively. There was a significant difference between lead values with and without recovery correction. 4. Organic solvent results corrected by desorption efficiency only and those corrected by Both internal standards and desorption efficiency were more accurate than those uncorrected. But, the latter was the best.

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