Ion Source Detector
= Δ T 2 Δ T
12 6 C 6 + 6 13 6 C 6 + 7
R = / Δ 5% Δ 10% +Δ
大阪大学大分散質量分析器 H. Matsuda, S. Fukuoto, Y. Kuroda, Z. Naturforschg., 21a (1966), 25-33. S. Fukuoto, T. Matsuo and H. Matsuda, J. Phys. Soc. Japan, 25 (1968), 946-950.
M M M M M M + + - - M M M + + - -
q v B = v 2 r r 1 2 v2 = q V q = B2 r 2 2 V 2 V r = q B 2
1 2 v 2 = z e V v = 2 z e V 1 2 v 2 = z e V v = 2 z e V v z e 1 2 v 2 = z e V v = 2 z e V T = L v = L 2 z e V イオン源 加速電圧 V L Field Free Region 検 出 器
Δ = T 2ΔT ΔT
BX1 + QY3 type Deflection radius : 0.050 Deflection angle : 156.87 MULTUM BX1 type 0.005 0.000 Ion Trajectory (x-direction) -0.005 0.005 Q E Q Q E Q Q E Q Q E Q QY3 type x ax = 0.0 0 3 0, α ax = 0.0 2 0 0, γ ax = 0.0 0 0 0, δ ax = 0.0 7 0 0 Ion Trajectory (y-direction) 1.284 0.000 x ax = 0.0 0 5 0, α ax = 0.0 5 0 0 γ ax = 0.0 0 0 0, δ ax = 0.1 0 0 0 50 c -0.005 Q E Q Q E Q Q E Q Q E Q y ax = 0.0 0 2 0, β ax = 0.0 2 5 0 1.284
Photo of MULTUM Linear plus in Vacuu Chaber イオン源 Q-Triplet Q-Triplet 扇形電場 検出器 400
1 0.75 0.5 0.25 0 0.5 0.25 0.5 0.25 22.75 23.25 23.75 24.25 24.75 0.75 0.5 0.25 0 323.75 324.25 324.75 325.25 325.75 0.75 8 ns 7 ns 0 649.90 650.40 650.90 651.40 651.90 0.75 12 C 16 O + 7 ns 14 N 2 + (28.0056) (/z 27.9944) 0 1277.00 1277.50 1278.00 1278.50 1279.00 Tie-of-Flight (μs) 0.4 0.2 0 2531.25 2531.75 2532.25 2532.75 2533.25 0.2 0.1 0 3785.40 3785.90 3786.40 3786.90 3787.40 0.1 0.05 0 5044.60 5045.10 5045.60 5046.10 5046.60 0.05 0.025 12 C 16 O + 7 ns (/z 27.9944) 0 6299.00 6299.50 6300.00 6300.50 6301.00 Tie-of-Flight (μs) 8 ns 14 N 2 + 11 ns (28.0056) 9 ns
400000 1 Mass Resolution (FWHM) 350000 300000 250000 200000 150000 100000 50000 Ion Intensity 0.8 0.6 0.4 0.2 0 0 100 200 300 400 500 Nuber of Cycles 0 0 100 200 300 400 500 Nuber of Cycles
Developent History of MULTUM at Osaka University First laboratory odel for ROSETTA Second laboratory odel for ROSETTA 1996-2001 Grant in Aid for Scientific Research (B) 1999-2002 Grant in Aid for Scientific Research (B) Siplify 40 c MULTUM Linear plus Tande TOF ass Spectroeter 2004-2006 Grant in Aid for Young Scientists (A) MS/MS 40 c MULTUM II J. Mass Spectro., 38 J. Mass Spectro., 38 (2003), 1125-1142. (2003), 1125-1142. Iaging ass spectroeter MULTUM TOF/TOF Rev. Sci. Instru.,78 (2007), 074101 Miniaturize 2005 CREST Iaging MS Copact instruent Saller instruent 2007-2008 JST Supporting Progra for Creating University Ventures 2003-2005 constructed in workshop of Osaka Univ. MULTUM-IMG J. Bioed. Opt., 16 (2011), 046007. 2005-2008 Grant-in-Aid for Creative Scientific Research 20 c MULTUM-S Iproveent of anufacturing precision. Copact syste J. Mass Spectro. Soc. Jpn., 55 (2007), 363-368. MULTUM-S II MULTUM-SIMS On-site Mass Spectroetry Anal. Che., 82 (2010), 8456.
Electric sector for injection 27.3 c 58. 4 c Electric sector for ejection 50. 4 c Ion Source Detector 50 (H) c 30 (W) c 60 (D) c 35kg Resolution : > 30,000 20 c
Electric sector for injection Electric sector for ejection Ion Source Detector 50 (H) c 30 (W) c 60 (D) c 35kg Resolution : > 30,000 20 c
Vacuu Background Resolving power: 6000(FWHM) O (/z 15.99492) 15.9968 15.9968 H2N (/z 16.01872) CH4 (/z 16.0313) Calibrant 1 of 2 N2 (/z 28.00615) O2 (/z 31.98983) CH3 (/z 15.02348) 15.0241? (/z 31.8589)? (/z 31.8987) 13 15 H4 C2 N(/z 45.03812) 15.99 16 16.01 16.02 16.03 16.04 15.9 15.95 16 16.05 16.1 16.15 31.8 31.85 31.9 31.95 32 32.05 32.1 32.15 39.9632 C3H4 (/z 16.0313) 17 CO O(/z 44.99405) 44.9968 HN (/z 15.0109) N2 (/z 28.00615) CO2 (/z 43.98983) 43.9918 14.8 14.9 15 15.1 15.2 15.3 ++? (/z 79.0382) 39.5191 45.0374 40.0326 H2 (/z 2.01565) CO(/z 27.99492) 39.4 39.6 39.8 40 40.2 40.4 40.6 40.8 44.95 45 45.05 2.0154 27.92 27.96 28 28.04 28.08 28.12 Calibrant 2 of 2 O2 (/z 31.98983) 15? (/z 43.89827) CHO N (/z 44.00285) 44.00319 43 43.2 43.4 43.6 43.8 44 44.2 44.4 44.6 44.8 45 44.9968 1.99 2 2.01 2.02 2.03 2.04 43.9918 2.0154 15.9963 39.9632 /z 5 10 15 20 25 30 35 40 45