한약재중의 중금속 함량 측정시 분석정도관리법에 관한 연구

• 영문명: Quality Control of Heavy Metal Analysis in Herbal Drugs
• 발행기관: 한국환경보건학회
• 저자명: 서용찬(Yong Chan Seo) 이선동(Sun Dong Lee) 유진열(Jin Yull Yoo)
• 간행물 정보: 『1. 한국환경보건학회지』제24권 제4호, 105~112쪽, 전체 8쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 1998.12.30

영문 초록

EPA methods used in the determination of waste metal content (SW846 Method 3050A and 7470A) were applied to the heavy metal analysis of herbal drugs to review the adequacy of those methods. Analyses of Cu, Cd, Cr, Ni and Co were accurate showing good recovery ranging from 88.3 to 110.3% of spiked amounts. Higher amount should be spiked for Fe, Mn and Zn measurements because original samples had very high contents of those elements. Duplicate experiments showed good precision for the determinations of Cu and Cd and poor precision for those of Zn and Fe. Calibration check sample obtained from the source other than calibration standards should be analysed immediately after calibration and after every ten sample measurement to confirm the calibration curve and to check the instrument stability. The EPA methods used in this study for the sample preparation of heavy metal analysis were proved to be accurate and precise as a whole. As used in advanced countries, quality control protocols including method detection level study, duplicate or replicate experiments, recovery tests should be routinely provided for the minimum of 5% samples (one out of 20 samples).

목차

I. 서론

II. 분석보장 및 실험방법

III. 결과 및 고찰

IV. 결론

키워드

Quality control Herbal drugs Heavy metal Sample preparation