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University of Washington Department of Chemistry Department of Chemistry

Reference Spectra

 

Reference Spectra

cesium iodide

Reference Mass Intensity Formula Reference Mass Intensity Formula
132.905355 2000 Cs+ 5,069.292163 14 (CsI)19Cs+
265.810710 1000 Cs2+ 5,329.101995 14 (CsI)20Cs+
392.715187 6000 (CsI)Cs+ 5,588.911827 13 (CsI)21Cs+
652.525019 2260 (CsI)2Cs+ 5,848.721659 13 (CsI)22Cs+
912.334851 640 (CsI)3Cs+ 6,108.531491 13 (CsI)23Cs+
1,172.144683 230 (CsI)4Cs+ 6,368.341323 12 (CsI)24Cs+
1,431.954515 80 (CsI)5Cs+ 6,628.151155 12 (CsI)25Cs+
1,691.764347 90 (CsI)6Cs+ 6,887.960987 12 (CsI)26Cs+
1,951.574179 30 (CsI)7Cs+ 7,147.770819 12 (CsI)27Cs+
2,211.384011 20 (CsI)8Cs+ 7,407.580651 11 (CsI)28Cs+
2,471.193843 20 (CsI)9Cs+ 7,667.390483 11 (CsI)29Cs+
2,731.003675 20 (CsI)10Cs+ 7,927.200315 11 (CsI)30Cs+
2,990.813507 20 (CsI)11Cs+ 8,187.010147 11 (CsI)31Cs+
3,250.623339 25 (CsI)12Cs+ 8,446.819979 10 (CsI)32Cs+
3,510.433171 23 (CsI)13Cs+ 8,706.629811 10 (CsI)33Cs+
3,770.243003 21 (CsI)14Cs+ 8,966.439643 10 (CsI)34Cs+
4,030.052835 19 (CsI)15Cs+ 9,226.249475 10 (CsI)35Cs+
4,289.862667 17 (CsI)16Cs+ 9,486.059307 9 (CsI)36Cs+
4,549.672499 16 (CsI)17Cs+ 9,745.869139 9 (CsI)37Cs+
4,809.482331 15 (CsI)18Cs+ 10,005.678971 8 (CsI)38Cs+

perfluorokerosine (and air background)

Reference
Mass		 Intensity Formula Reference
Mass		 Intensity Formula Reference
Mass		 Intensity Formula Reference
Mass		 Intensity Formula
4.002603 125 He 204.988823 328 C6F7 480.969662 179 C10F19 754.953694 61 C17F29
14.003074 1560 N 218.985629 1093 C4F9 492.969662 149 C11F19 766.953694 64 C18F29
15.994915 440 O 230.985629 1150 C5F9 504.969662 132 C12F19 780.950501 31 C16F31
17.002740 2500 OH 242.985629 822 C6F9 516.969662 85 C13F19 792.950501 41 C17F31
18.010565 3500 H2O 254.985629 357 C7F9 530.966468 119 C11F21 804.950501 47 C18F31
28.006148 7800 N2 268.982436 574 C5F11 542.966468 111 C12F21 816.950501 52 C19F31
30.998403 23 CF 280.982436 851 C6F11 554.966468 106 C13F21 830.947307 30 C17F33
31.989829 920 O2 292.982436 588 C7F11 566.966468 98 C14F21 842.947307 34 C18F33
39.962383 10 Ar 304.982436 226 C8F11 580.963275 94 C12F23 854.947307 38 C19F33
43.989829 10 CO2 318.979242 281 C6F13 592.963275 106 C13F23 866.947307 41 C20F33
51.004632 20 CF2H 330.979242 567 C7F13 604.963275 108 C14F23 880.944114 23 C18F35
68.995210 10000 CF3 342.979242 426 C8F13 616.963275 92 C15F23 892.944114 27 C19F35
92.995210 170 C3F3 354.979242 179 C9F13 630.960081 71 C13F25 904.944114 28 C20F35
99.993613 660 C2F4 368.976049 108 C7F15 642.960081 75 C14F25 916.944114 35 C21F35
111.993613 19 C3F4 380.976049 454 C8F15 654.960081 94 C15F25 930.940920 20 C19F37
118.992016 3200 C2F5 392.976049 272 C9F15 666.960081 82 C16F25 942.940920 24 C20F37
130.992016 2380 C3F5 404.976049 204 C10F15 680.956888 20 C14F27 954.940920 21 C21F37
149.990420 163 C3F6 416.976049 106 C11F15 692.956888 60 C15F27 966.940920 26 C22F37
161.990420 479 C4F6 430.972855 379 C9F17 704.956888 72 C16F27 980.937727 14 C20F39
168.988823 2070 C3F7 442.972855 170 C10F17 716.956888 78 C17F27 992.937727 16 C21F39
180.988823 1930 C4F7 454.972855 157 C11F17 730.953694 65 C15F29
192.988823 570 C5F7 466.972855 75 C12F17 742.953694 51 C16F29

poly (ethylene glycol)

Reference Mass Intensity Formula Reference Mass
 Intensity
 Formula
173.079 100 H(OCH2CH2)3OHNa+ 1141.656 100 H(OCH2CH2)25OHNa+
217.105 300 H(OCH2CH2)4OHNa+ 1185.682 75 H(OCH2CH2)26OHNa+
261.131 312 H(OCH2CH2)5OHNa+ 1229.708 50 H(OCH2CH2)27OHNa+
305.158 453 H(OCH2CH2)6OHNa+ 1273.735 25 H(OCH2CH2)28OHNa+
349.184 638 H(OCH2CH2)7OHNa+ 1317.761 10 H(OCH2CH2)29OHNa+
393.210 764 H(OCH2CH2)8OHNa+ 1361.787 10 H(OCH2CH2)30OHNa+
437.236 809 H(OCH2CH2)9OHNa+ 1405.813 9 H(OCH2CH2)31OHNa+
481.263 851 H(OCH2CH2)10OHNa+ 1449.839 8 H(OCH2CH2)32OHNa+
525.289 931 H(OCH2CH2)11OHNa+ 1493.866 8 H(OCH2CH2)33OHNa+
569.315 1000 H(OCH2CH2)12OHNa+ 1537.892 7 H(OCH2CH2)34OHNa+
613.341 891 H(OCH2CH2)13OHNa+ 1581.918 7 H(OCH2CH2)35OHNa+
657.367 762 H(OCH2CH2)14OHNa+ 1625.944 6 H(OCH2CH2)36OHNa+
701.394 549 H(OCH2CH2)15OHNa+ 1669.970 6 H(OCH2CH2)37OHNa+
745.420 435 H(OCH2CH2)16OHNa+ 1713.997 6 H(OCH2CH2)38OHNa+
789.446 370 H(OCH2CH2)17OHNa+ 1758.023 5 H(OCH2CH2)39OHNa+
833.472 287 H(OCH2CH2)18OHNa+ 1802.049 5 H(OCH2CH2)40OHNa+
877.499 185 H(OCH2CH2)19OHNa+ 1846.075 5 H(OCH2CH2)41OHNa+
921.525 184 H(OCH2CH2)20OHNa+ 1890.102 5 H(OCH2CH2)42OHNa+
965.551 182 H(OCH2CH2)21OHNa+ 1934.128 4 H(OCH2CH2)43OHNa+
1009.577 234 H(OCH2CH2)22OHNa+ 1978.154 4 H(OCH2CH2)44OHNa+
1053.603 228 H(OCH2CH2)23OHNa+ 2022.180 4 H(OCH2CH2)45OHNa+
1097.630 164 H(OCH2CH2)24OHNa+ 2066.206 3 H(OCH2CH2)46OHNa+

peptides and proteins - proton adducts

Myoglobin

average MW = 16,951.6 amu

(m+zH+)/z z intensity
679.07 25 2140
707.32 24 4280
738.03 23 6090
771.53 22 6290
808.22 21 7180
848.58 20 8000
893.19 19 5890
942.76 18 4220
998.15 17 3150
1,060.48 16 2370
1,131.11 15 1410
1,211.83 14 510
1,304.97 13 230
1,413.63 12 190
1,542.05 11 40
1,696.16 10 20
1,884.51 9 10
2,119.95 8 10
2,422.65 7 10

Lysozyme

average MW = 14,302.2 amu

(m+zH+)/z z intensity
1,101.39 13 150
1,193.09 12 520
1,301.46 11 900
1,431.52 10 2840
1,590.45 9 6420
1,789.13 8 8000
2,044.58 7 3250
2,385.20 6 210

Albumin

average MW = 66,266 amu

(m+zH+)/z z intensity m/z z intensity
1,105.43 60 200 1,542.07 43 700
1,124.15 59 200 1,578.76 42 500
1,143.52 58 200 1,617.24 41 530
1,163.56 57 275 1,657.65 40 480
1,184.32 56 300 1,700.13 39 370
1,205.84 55 500 1,744.84 38 340
1,228.15 54 750 1,791.97 37 280
1,251.30 53 1000 1,841.72 36 220
1,275.35 52 950 1,894.31 35 200
1,300.33 51 700 1,950.00 34 150
1,326.32 50 800 2,009.06 33 125
1,353.37 49 780 2,071.81 32 100
1,381.54 48 850 2,138.61 31 75
1,410.91 47 780 2,209.87 30 60
1,441.57 46 790 2,286.03 29 50
1,473.58 45 600 2,367.64 28 40
1,507.05 44 650 2,455.30 27 25

Insulin

average MW = 5,733.5 amu

(m+zH+)/z z intensity
820.08 7 100
956.58 6 500
1147.70 5 1200
1434.38 4 300
1912.17 3 100
2867.75 2 50