015011 015011-19 2003 12
- 1.1 34 0.000005 WHO 40 72 1-1 1817 Berzelius 50 claytan schwarz 1973 65 27 2 2 2
-- 40 22 1988 10 15 1-2 3 1979 16 13 35 50 : 70 88 90-224 56 3 3 3
50-200 50 1.2 (1) 27 50 l2 30-40 l2 80 10 (2) 17 (3) 1935 70 69 142 " " 6 (4) M G 4 4 4
T B TB NK ROS ROS 1.3 1-3 DNA DNA DNA - 2.1 0.05~0.09mg/kg 0.031~0.131mg/kg 0.028~0.118mg/kg 0.059~0.108mg/kg 1990 0.070mg/kg 0.067mg/kg 0.047mg/kg 0.058 2.2 1990 1.04mg kg 0.065mg/kg 0.259mg/kg 5 5 5
2.3 72 12 ( ) 657 0.152ppm 0.14ppm 0.07ppm 0.100ppm 2.4 15mg 0.2g/kg 4.55mg 30.3% 1.1mg 7.3% 30 0.021g/ml 3.18g/ml 2.5 6 2 240 8000ppm 2-1 1008000ppm 150ppm 2-1 2161km 2 150 t 13.5 t 1280km 2 96 t 51.6 48.4 t,, 850km 2 6 0.017mg/L, 1.5 m 3 a 6 6 6
2.6 8590 10 1960 14 73 198ppm 7188ppm 10 500 1992 100 2-2 - 3.1 34 [Ar]3d 10 4s 2 4p 4 1-1 (Se 2- ) (H 2 Se) H 2 (FeCuPb) Se 2-0.198nmS 2-0.184nmSe 2- S 2- (Se 0 ) Se SeO 2-3 SeO 2-4 Se 2- SeO 2 H 2 SeO 3 SeO 2-3 HSeO - 3 Se Se HNO 3 SeO 2 SO 2 NH 3 Se H 2 SeO 3 ph C SO 2 Se ph H 2 SeO 4 ph 2- SeO 4 7 7 7
SeO 3 74 Se0.185% 76 Se8.66% 77 Se7.31% 78 Se23.21% 80 Se50.65% 82 Se8.35% 75 77 87 75 Se 3.2 0.038 -- - - 3-1 3-2 0.1~675mg/kg 1~300mg/kg 40% 20% ph (ph4 8) ph (ph7.3eh200mv) ph8.99.0eh450mv SeO 2-4 SeO 2-4 ph4eh0mv M.A.Elrashidi Cu 2 Se PbSe SnSe 17 MnSeO 3 Fe 2 (SeO 3 ) 3 Fe 2 (OH) 2 SeO 3 PbSeO 3 ph7.88 P.H.Masscheleyn (Eh-200mVpH8.1) FeSe Se 2- Se 0 80 100 (Eh0) Se 2- Se 0 SeO 2-3 - PH-Eh M.A.Elrashidi pe+ph15seo 2-4 pe+ph7.515hseo - 3 SeO 2-3 pe+ph7.5 HSe - H 2 Se 8 8 8
1-1 Se Selenium 34 ( 12 C = 12.0000) 78.96 /Å: 1.22 /cm 3 /mol: 16.45 : 1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 4 /Å: 0.5 /Å: 1.16 :2,4,6 1817,J.J. Berzelius (, ) (): 221 (): 685 (g/cc300k): 4.79 /J/gK : 0.32 /KJ/mol : 37.7 10 6 /cm : 1.0E -12 W/cmK: 0.0204 /KJ/mol: 6.694 Selenium selene 1817 ( H=110 12 ): /p.p.m.: 0.05 /: 3000 /p.p.m. : 0.46 10-7 :0.15 10-7 /p.p.m. : : 1.8 10-7 :1.65 10-7 /p.p.m.: 0.35-2.4 : /p.p.m.: 0.42-1.9 /mg dm -3 : 0.171 /mg: 0.006-0.2 /p.p.m.: 1-9 (70Kg) /mg: c. 15 ( www.chemwindow.net ) 9 9 9
- 4-1 4-1 4.1 - - - 4.2 10 10 10
= + + + 4.3 ph Eh 1959~1963 4-2 4.4 4.4.1 1% 1959~1963 4.4.2 1959~1963 11 11 11
AsSbHgPb 1990 4.4.3 0.1~0.44g/ml 0.2~3.76 g/ml (1) 1923~1987 65 477 338 1959~1963 70% 90% 1959~1963 19811993 90% 1958 1963 Se 2.98mg/kg 7.46 (2) 6 43 1969 (3) 4.5 12 12 12
SHCO 2 - - - ( ) ( - ) - - - 12 2 40 13 13 13
72 30 4 1973 WHO 40 1960 50 100 30 100 5-1 5-1 14 14 14
1. 2000 2. 1998 3. 1984 4. 1984 5. 1997.3 6. Vol.22 No.1,2003 Jan. 7. Vol.20 No.2,2003 Apr. 8. Vol.20 No.1,2003 Feb. 9. Vol.21 No.3,2003 May. 10. 15 15 15