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2 < > ) 3 2) 3 3) GC-MS ) 5 2) 5 3) ICP-OES ) 7 2) ) 1g 13 2),,, 14 3), 15 4),,

3 < > [ 1] 2 [ 2] ICP-OES 6 [ 3] 13 [ 4] 1g 13 [ 5] 14 [ 6] 17

4 < > [ 1] 2 [ 2] GC-MS 3 [ 3] 3 [ 4] 4 [ 5] 5 [ 6] 6 [ 7] ( ) 7 [ 8] ( ) 7 [ 9] ( ) 7 [ 10] ( ) 8 [ 11] ( ) 8 [ 12] ( ) 8 [ 13] ( ) 9 [ 13] ( ) 9 [ 14] ( ) 9 [ 15] ( ) 10 [ 16] ( ) 10 [ 17] ( ) 10 [ 18] ( ) 1 [ 19] ( ) 1 [ 20] ( ) 1 [ 21] ( ) 12 [ 22] ( ) 12 [ 23] ( ) 12 [ 24] (Cd), (Co), (Cr), (Pb) 41 [ 25] (Cu), (Ni) 15 [ 26] (Fe), (Mn), (Zn) 16

5 1. FTA...,, , ,..... GC-MS, ICP-OES

6 [ 1] < 1>. [ 1] GC-MS ICP ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) - 2 -

7 . 1) GC-MS(GC VARIAN (Australia) CP-3800, MS VARIAN (Australia) 1200). (DAE JUNG, Korea), (EtOAc)(DAE JUNG, Korea), NaHCO 3 (YAKURI, Japan). [ 2] GC-MS 2) 40g 24.. [ 3] - 3 -

8 . EtOAc, 5% NaHCO 3 (ph 8.0) EtOAc. 0.1 M HCl ph 3.0, EtOAc Et OAc. [ 4] EtOAc. 3) GC-MS EtOAc.. Ionization mode EI, mass 5 0~600 amu, ion source 200, split ratio 50 career g as 1.0ml/min. GC injector 250, oven 2 50, 10 /min ,

9 . 1) ICP-OES (VISTA-Pro, Varian Technologies, Germany),. Pure-Water System (Human Science, Korea) 18 MΩ. ICP (Merck KGaA Ltd., Damstadt, Germany) 3%. 2) 10 g 50 ml. (Hot plate). 10 ml 30% 5 ml. 2~3 ml. 50 ml 50 g. 10 g of Kjeldahl flask HNO 3 50 ml HNO 3, H 2 O 2 5 ml ICP-OES [ 5] - 5 -

3) ICP-OES 7 Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn 3. [ 6] [ 2] (ppm). 기기분석값 정량질량 시료량 [ 2] ICP-OES (nm) Cd 226.502 Co 228.615 Cr 267.716 Cu 327.395 Fe 238.

10 3) ICP-OES 7 Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn 3. [ 6] [ 2] (ppm). 기기분석값 정량질량 시료량 [ 2] ICP-OES (nm) Cd Co Cr Cu Fe Mn Ni Pb Zn RF power (kw) Plasma gas flow (L/min) Auxiliary gas flow(l/min) Sample gas flow (L/min)

11 3.. 1) [ 7] ( ) [ 8] ( ) [ 9] ( ) - 7 -

12 [ 10] ( ) [ 11] ( ) [ 12] ( ) - 8 -

13 [ 13] ( ).,,,, [ 13] ( ) [ 14] ( ) - 9 -

14 2) [ 15] ( ) [ 16] ( ) [ 17] ( )

15 [ 18] ( ) [ 19] ( ) [ 20] ( )

16 [ 21] ( ).,,,, [ 22] ( ) [ 23] ( )

17 . 1) 1g 7 ICP-OES. [ 3] ( : mg/kg) Metal Sample Cd Co Cr Cu Fe Mn Ni Pb Zn g. 기기분석값 정량질량 기기분석값 시료량 [ 4] 1g ( : mg/kg) Metal Sample Cd Co Cr Cu Fe Mn Ni Pb Zn

18 mg/kg,,,, 1 mg/kg. [ 5] ( : mg/kg) Cd Co Cr Cu Fe Mn Ni Pb Zn ),,, ~0.31 mg/kg, ~1.61 mg/kg, 0.29~ 0.52 mg/kg, 0.12~0.48 mg/kg mg/kg, mg/kg, Nigeria mg/kg. 0.60~1.80 mg/kg, Nigeria 0.50 mg/kg 제주함양곡성천안양양북한중국 Cd Co Cr Pb [ 24] (Cd), (Co), (Cr), (Pb)

19 3), 1g 13.81~21.27 mg/kg, 0.72~9.50 mg/kg..,. ~1.10 mg/kg, 22.0~26.0 mg/kg, Nigeria 10.7 mg/kg Cu Ni 제주함양곡성천안양양북한중국 [ 25] (Cu), (Ni) 4),, 1g 67.91~ mg/kg, 30.75~ mg/kg, 55.77~63.34 mg/kg.,.,.. Java OP green 200 mg/kg, Japan Kokaicha 436 mg/kg, Vietnam Chengon So 233 mg/kg, Lung Ching 140 mg/kg, China Sencha 225 mg/kg, Chun Mee 306 mg/kg, Bancha 227 mg/kg, Yunnan green 378 mg/kg.. Java OP green 9180 mg/kg, Japan Kokaicha 979 mg/kg,

20 Vietnam Chengon So 943 mg/kg, Lung Ching 1400 mg/kg, China Sencha 2086 mg/kg, Chun Mee 511 mg/kg, Bancha 1267 mg/kg, Yunnan green 1264 mg/kg ~13.40 mg/kg, Nigeria 20.0 mg/kg Fe Mn Zn 제주함양곡성천안양양북한중국 [ 26] (Fe), (Mn), (Zn)

21 4. GC-MS [ 6] (mg/kg) 5.0 (mg/kg) 2.0 (mg/kg) 2.0 (mg/kg) 2.0 (mg/kg):0.3, (mg/kg):0.1 5 mg/kg 3 mg/kg 0.2 mg/kg 0.3 mg/kg 3 mg/kg

23 1., 2002,, 2.,,,,,,,,, 2007,,,, ,,,,,,, 2003, GC-MS,, 35, Pavia, Lampman, Kriz, 2000,, 5.,,,,,,, 2002,,, 34, ,,, (2003) 7. Soo, Jung Hu, Meehye Kim, Sung Kug Park, and Jong Ok Lee. Heavy metal contents in Ginseng and Ginseng Products. Korea J. Food Sci. Technol. 37, pp (2005) 8. Kim M, Lee YD, Kim EJ, Chung SY, Park SK, Lee JO. Trace metal contents in beverages consumed in Korea. Korean J. Food Sci. Technol. 35, pp (2003) 9. Oniasnwa, P.C., Adetola, I.G., Iwegbue, C.M.A., Ojo, M.F. and Tella, O.O. Trace heavy metals composition of some Nigerian beverages and food drinks. Food Chem. 66, pp (1999) 10. Saud S. AL-Oud. Heavy Metal Contents in Tea and Herb Leaves. Pak. J. Biol. Sci. 6, pp208~212 (2003) 11. Sakae, S., Tarema, N. and Siradan, T. Determination of cobalt and nickel in plant material by graphite furnace atomic absorption spectrometry. Bunseki Kagaku 38, pp (1989) 12. Street R., Szakova J., Drabek O., Mladkova L. The Status of Micronutrients (Cu, Fe, Mn, Zn) in Tea and Tea Infusions in Selected Samples Imported to the Czech Republic. Czech Sci. 24, pp62~71 (2006)

表紙（化学）

表紙（化学） 수험 번호 성 명 2013년 일본 공과대학 학부 유학생 파견 선발 시험 화 학 (90분 100점) 주 의 1 시험시작의 지시가 있을 때까지 열지 마시오. 2 해답은 해답용지의 지정된 난 안에 알아보기 쉽게 기입하시오. 3 해답에 한글이 포함되면 채점되지 않습니다. 필요한 경우, 아래의 값을 사용하시오. 원자량 H 1.0, C 12, N 14, O 16, Cu