11-1480523-001163-01 유해중금속안정동위원소의 분석정밀 / 정확도향상연구 (I) 환경기반연구부환경측정분석센터,,,,,,,, 2012
목 차 ⅰ ⅲ ⅳ Abstract ⅵ Ⅰ Ⅱ Ⅲ i
목 차 Ⅳ ii
목 차 iii
목 차 iv
목 차 v
Abstract vi
Abstract σ ε vii
Abstract viii
Ⅰ. 서론 Ⅰ. 1
Ⅰ. 서론. (isotope mass fractionation). 2 1 2 (mass dependent fractionation), (equilibrium isotope fractionation) (kinetic isotope fractionation). 1 2, 3... (Transient kinetic isotope fractionation)., (mass independent fractionation).. 1990 ICP/MS (Multi-collector, MC-ICP/MS) ICP/MS, ICP/MS TIMS., MC-ICP/MS Zn, Cu, Mo, Mg, Hg, Cd, Fe, Li, Se, MC-ICP/MS 2000 MC-ICP/MS 2007 1500. Laser ablation, LC, GC (coupling)., MC-ICP/MS / /, Matrix CRMs.,, 2
Ⅰ. 서론., MC-ICP/MS. 3
Ⅱ. 연구내용및방법 μ <Table 1> Instrumental condition of MC-ICP/MS μ 4
Ⅱ. 연구내용및방법 <Table 2> Detector configuration for Pb, Cd and major interferences 5
Ⅱ. 연구내용및방법 6
Ⅱ. 연구내용및방법 <Fig 1> Sampling sites of stream sediment around the abandoned mine. (M1~M12: the main stream from the abandoned mine; T1~2: the tributary stream; D1~2: downstream area; F: the creek from farm house; A1~2: the agricultural soil; W1~2: the creek from artificial reservoir; U1~2: mountain upper than the mine entrance) 7
Ⅱ. 연구내용및방법 <Fig 2> Sampling site of TSP in ambient air. <Table 3> Background air sampling date and wether condition 8
Ⅱ. 연구내용및방법 <Fig 3> Pre treatments of sediment samples. 9
Ⅱ. 연구내용및방법 <Fig 4> Pre-treatment of atmospheric TSP samples. 10
Ⅱ. 연구내용및방법 <Table 4> Column cleaning procedure 11
Ⅱ. 연구내용및방법 <Fig 5> Column clean-up procedure. 12
Ⅱ. 연구내용및방법 <Fig 6> Matrix exchange procedure. 13
Ⅲ. 연구결과및고찰 ε 14
Ⅲ. 연구결과및고찰 <Table 5> Short-term Precision of Pb isotopes for each concentration 15
Ⅲ. 연구결과및고찰 <Fig 7> Short-term Precision of Pb isotopes for each concentration. ε ε ε ε ε σ 16
Ⅲ. 연구결과및고찰 <Fig 8> Short-term Precision of Cd isotopes for each concentration. σ σ 17
Ⅲ. 연구결과및고찰 <Fig 9> Comparisons of NIST981 Pb isotope ratios for MC-ICP/MS between previous researches and this study (1-7. This study 8. Hirata, 1996; 9. Belshaw et al., 1998; 10. Rehkamper and Halliday, 1998; 11. White et al., 2000; 12. Thirlwall, 2002 13. Woodhead, 2002 14. Weiss et al., 2004; 15. Kamenov et al., 2005; 16. Cocherie and Robert, 2007, 17. Todt et al, 1996). ε (7) 18
Ⅲ. 연구결과및고찰 σ <Fig 10> Long-term Precision of Cd isotopes ('12.6.1~11.8, 50 ng/ml). 19
Ⅲ. 연구결과및고찰 ε <Table 6> Short-term accuracy of Pb isotopes 20
Ⅲ. 연구결과및고찰 σ <Table 7> Short-term accuracy of Cd isotopes ε ε ε σ σ σ ε ε σ σ σ 21
Ⅲ. 연구결과및고찰 <Table 8> Long-term accuracy of Pb isotopes 22
Ⅲ. 연구결과및고찰 σ <Table 9> Long-term accuracy of Cd isotopes ε ε ε σ σ σ ε ε σ σ σ 23
Ⅲ. 연구결과및고찰 σ <Fig 11> Comparisons of matrix CRM test for Pb isotope ratios between previous researches(weis et al., 2006) and this study. 24
Ⅲ. 연구결과및고찰 <Fig 12> Improvement of precision for column clean-up vs acid-digestion.. 25
Ⅲ. 연구결과및고찰 26
Ⅲ. 연구결과및고찰 <Table 10> Pb concentrations and isotope ratios of stream sediment samples * Site description M1~M12: the main stream from the abandoned mine; T1~2: the tributary stream; D1~2: downstream area; F: the creek from farm house; A1~2: the agricultural soil; W1~2: the creek from artificial reservoir; U1~2: mountain upper than the mine entrance 27
Ⅲ. 연구결과및고찰 <Fig 13> Pb concentrations and isotope ratios in the sediment samples. Dashed line represents the Pb isotope ratios of ore from the abandoned mine (Chung and Park, 2006) 28
Ⅲ. 연구결과및고찰 <Fig 13> continued. 29
Ⅲ. 연구결과및고찰 30
Ⅲ. 연구결과및고찰 <Fig 14> 3-isotope plot of 208 Pb/ 207 Pb vs. 207 Pb/ 206 Pb in sediment samples. <Fig 15> Inverse concentration plot for (a) 208 Pb/ 207 Pb and (b) 207 Pb/ 206 Pb ratios of sediment samples. 31
Ⅲ. 연구결과및고찰 <Fig 16> Relative contributions of Pb from the abandoned mine and potential pollutant sources calculated by IsoSource mixing model program. 32
Ⅲ. 연구결과및고찰 <Table 11> Pb isotope ratios of atmospheric TSP samples σ 33
Ⅲ. 연구결과및고찰 <Fig 17> Pb isotope ratios of atmospheric TSP samples. Dashed lines represent seasonal mean values 34
Ⅲ. 연구결과및고찰 <Fig 17> continued. 35
Ⅲ. 연구결과및고찰 <Fig 18> 3-isotope plot ( 208 Pb/ 206 Pb vs. 207 Pb/ 206 Pb) for atmospheric TSP samples collected during 2012. 36
Ⅳ. 결론 Ⅳ 37
Ⅳ. 결론 σ ε 38
Ⅳ. 결론 39
참고문헌 40
참고문헌 41
참고문헌 42