Browse

Reliability of Grieg Extraction Method for the Determination of Heavy Metals in Aquatic Sediments by Atomic Absorption Spectroscopy : 原子吸收分光法으로 水中 沈降物의 重金屬을 定量할 때 사용하는 그리이그 抽出法의 信賴度

Cited 0 time in Web of Science Cited 0 time in Scopus
Authors

Lee, Won Sick; Sturchio, Malcolm L.

Issue Date
1980
Publisher
서울대학교 사범대학
Citation
사대논총, Vol.22, pp. 191-200
Abstract
The extracting efficiency and reliability of the Grieg extraction method for the determination of heavy metals in aquatic sediments were studied by use of an atomic absorption spectroscopy. The results obtained here reveal clear methodological differences between the Grieg extraction and the HNO3-HCIO4-HF acids extraction method. The accuracy and precision of the measurements by the Grieg extraction method dec reased on the average in the comparison. The accuracies of the measurements of trace heavy metals in the sediments-expressed as the double standard deviation 2σ(X)-were found between about 6% and 17% for the Grieg method, and between about 4% and 15% for the HNO3-HCIO4-HF acids method. The Grieg extraction method is not a recommendable technique for the determination of trace heavy metals in sediments. 水中 沈降物에 들어있는 重金屬의 原子吸收分光法에 의한 定量에 사용되는 Grieg 抽出法의 抽出効率과 信賴度를 HNO3-HCIO4-HF 抽出法과 비교하였다. Grieg 抽出法은 HNO3-HCIO4-HF 抽出法에 비하여 抽出效率이 떨어지며, 測定에 있어서의 正確度와 精密度가 일반적으로 낮은 結果를 나타내고 있다. 沈降物에 들어있는 微量 重金屬의 測定에 있어서 正確度(더블標準偏差 2σ(X)로 표시된)는 Grieg法에서 약 6%와 17% 사이에, 그리고 HNO3-HCIO4-HF 法에서 약 4%와 15% 사이에 걸쳐있는 것을 알 수 있다. 따라서 Grieg 抽出法은 이 分析法에서 추천할만한 抽出法이 되지 않는다고 볼 수 있다.
ISSN
1226-4636
Language
English
URI
https://hdl.handle.net/10371/72518
Files in This Item:
Appears in Collections:
College of Education (사범대학)Center for Educational Research (교육종합연구원)교육연구와 실천Journal of the College of Education (師大論叢) vol.21/22 (1980)
  • mendeley

Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse