Tatsuya Nobumori, Kiyoshi Miyazaki, Mitsuo Shimizu, Kenshu Michihiro
30 63 66 2006 Tatsuya Nobumori, Kiyoshi Miyazaki, Mitsuo Shimizu, Kenshu Michihiro ICP-MS - U-235 U-238 ICP-MS - ICP-MSU-235 U-238 [U-238 U-235 U-234 ICP-MS] 1-1 1 ICP-MS 1 ICP-MS 1 ICP-MS ICP-MS 10mL L 0.45 TBP ICP-MS ICP-MS ICPM 8500 MaltiSpec 1500 ICPM-8500 5g 0.45 Analyst 63
ICPM-8500 11 1 0.8 200 msec) Tl-205: 15,U-235:200,U-238:15 sec) Tl-205: 3,U-235: 40,U-238: 3 3 W 1.2 (mm) 5.0 L min 7.0 L min 1.5 L min 0.6 0.45 ICP-MS 2 ICP-MS U-235 U-238 40 XSTC-480 U-238 0.2mg/L SPEX 1 (Tl-205) ICP-MS0.2 L5mL ICP-MS U-238g80.42 g 81.01U-238Bq 1052mm 5004 300.45 ICP-MS (105 )450 238 0.03 Bq/L 114 3 2.6 32 31 ICP-MS90 115 2 34ICP-MS ICP-MS 87 11679 135 2 64
U-235/U-238 U-238(Bq/L) D 0.0137 0.00058 0.003 0.00006 E 0.0100 0.00020 0.007 0.00006 F 0.0090 0.00015 0.009 0.00005 G 0.0079 0.00013 0.023 0.00016 H 0.0075 0.00006 0.023 0.00004 I 0.0075 0.00012 0.025 0.00029 J 0.0075 0.00018 0.026 0.00006 K 0.0074 0.00014 0.028 0.00008 L 0.0073 0.00008 0.070 0.00057 M 0.0073 0.00008 0.072 0.00056 2 0.0073 0.00003 0.107 0.00009 3(1 ) 83 119 258 5g 2 5ICP-MS (m/ ) 0.5 235 238 ICP- MSU-234 U-235 U-238 13 3 3U-238 0.02Bq/L U- 235 U-238 0.00725 U-238 0.02Bq/L 235 238 U-235/U-238 65
U-235/U-238 U-238 (Bq/L) ICP - MS 0.173 0.001 0.027 0.00003 0.154 0.014 0.027 0.002 ICP-MS3 (1 ) (1 ) ) U-234 U-235 U-238 0.00550.7299.2745 1:0.046:1 6 U-235/U-238 4U- 235U-2380.046 U- 235/U-238 U-234 U-238 U-235/U-238 U-234/U-238 2) U-235ICP- MSU-235/U-238 ICP-MS (:20 U-235/U-238ICP- MS 14 14 2002 9 287-289 1985 66