Name Ion Type Ion Number Theoretical Mass Observed Mass Mass Difference (Da) Mass Difference (ppm) A+3 A+ 3 333.19266 333.193449 0.000788968 2.367903092 A+3 A+ 3 333.19266 333.193449 0.000788968 2.367903092 A3 A 3 332.184835 332.185635 0.0008 2.408297778 A3 A 3 332.184835 332.185635 0.0008 2.408297778 B3 B 3 360.17975 360.180616 0.000866 2.404355048 B3 B 3 360.17975 360.180616 0.000866 2.404355048 C3 C 3 377.20605 377.207212 0.001162 3.08054444 C3 C 3 377.20605 377.207212 0.001162 3.08054444 A+4 A+ 4 461.25124 461.252343 0.001102968 2.391251956 A+4 A+ 4 461.25124 461.252343 0.001102968 2.391251956 A4 A 4 460.243415 460.244551 0.001136 2.468259106 B4 B 4 488.23833 488.23953 0.0012 2.457816042 B4 B 4 488.23833 488.23953 0.0012 2.457816042 C4 C 4 505.26463 505.26604 0.00141 2.790616869 C4 C 4 505.26463 505.26604 0.00141 2.790616869 C5 C 5 642.32354 642.324971 0.001431 2.227849224 C5 C 5 642.32354 642.325369 0.001829 2.847474654 A5 A 5 597.302325 597.303858 0.001533 2.566539482 B5 B 5 625.29724 625.298817 0.001577 2.522000577 A+5 A+ 5 598.31015 598.311945 0.001794968 3.000062643 A+5 A+ 5 598.31015 598.311945 0.001794968 3.000062643 A+6 A+ 6 711.39421 711.395869 0.001658968 2.331995266 A+6 A+ 6 711.39421 711.396055 0.001844968 2.593453677 A6 A 6 710.386385 710.388203 0.001818 2.559170669 B6 B 6 738.3813 738.383119 0.001819 2.463496841 B6 B 6 738.3813 738.383279 0.001979 2.680187052 C6 C 6 755.4076 755.409808 0.002208 2.922925319 A+11 A+ 11 3541.55486 3541.533849 -0.021011032 -5.932713992 A+12 A+ 12 3640.62327 3640.606513 -0.016757032 -4.602792112 A+13 A+ 13 3769.66586 3769.650418 -0.015442032 -4.096392795 A14 A 14 3839.695145 3839.679953 -0.015192 -3.956564109 B15 B 15 3980.77412 3980.754686 -0.019434 -4.881965018 A+15 A+ 15 3953.78703 3953.770643 -0.016387032 -4.144642073 A17 A 17 4228.926595 4228.914387 -0.012208 -2.88678456 B18 B 18 4355.98992 4355.972371 -0.017549 -4.028705374 A+18 A+ 18 4329.00283 4328.987354 -0.015476032 -3.574964646 C19 C 19 4475.017585 4475 -0.017585 -3.929593497 B19 B 19 4457.991285 4457.976225 -0.01506 -3.378203105 A+19 A+ 19 4431.004195 4430.98998 -0.014215032 -3.208083641 A+20 A+ 20 4488.025655 4488.009934 -0.015721032 -3.502883735 B20 B 20 4515.012745 4514.998261 -0.014484 -3.207964367 C20 C 20 4532.039045 4532.025498 -0.013547 -2.989162244 A+21 A+ 21 4617.068245 4617.051274 -0.016971032 -3.675716097 B21 B 21 4644.055335 4644.040245 -0.01509 -3.249315289 C21 C 21 4661.081635 4661.071711 -0.009924 -2.129119543 A+22 A+ 22 4773.169355 4773.151972 -0.017383032 -3.64182177 B22 B 22 4800.156445 4800.141955 -0.01449 -3.018651614 A22 A 22 4772.16153 4772.151562 -0.009968 -2.08878093 A+23 A+ 23 4830.190815 4830.175504 -0.015311032 -3.169860707 C23 C 23 4874.204205 4874.191292 -0.012913 -2.649252977 A+24 A+ 24 4977.259225 4977.244313 -0.014912032 -2.996032836 B24 B 24 5004.246315 5004.233912 -0.012403 -2.478495106 C25 C 25 5168.341025 5168.325581 -0.015444 -2.988192909 A+25 A+ 25 5124.327635 5124.312929 -0.014706032 -2.869846177 B25 B 25 5151.314725 5151.304469 -0.010256 -1.990948049 C26 C 26 5331.404355 5331.388167 -0.016188 -3.036348197 A+26 A+ 26 5287.390965 5287.375873 -0.015092032 -2.854343885 B26 B 26 5314.378055 5314.363362 -0.014693 -2.764763788 C27 C 27 5432.452035 5432.431458 -0.020577 -3.787792302 B27 B 27 5415.425735 5415.408049 -0.017686 -3.265855884 B27 B 27 5415.425735 5415.439876 0.014141 2.611244377 A+27 A+ 27 5388.438645 5388.422085 -0.016560032 -3.073252413 A28 A 28 5484.48358 5484.47058 -0.013 -2.370323442 C29 C 29 5657.599755 5657.581399 -0.018356 -3.244485435 A+29 A+ 29 5613.586365 5613.577861 -0.008504032 -1.514901797 Y3 Y 3 314.195395 314.196096 0.000701 2.231095717 Y3 Y 3 314.195395 314.196096 0.000701 2.231095717 X+3 X+ 3 341.182485 341.183295 0.000809968 2.374002082 X+3 X+ 3 341.182485 341.183295 0.000809968 2.374002082 Z4 Z 4 399.22431 399.221044 -0.003266 -8.180864537 Z4 Z 4 399.22431 399.225191 0.000881 2.206779442 Z4 Z 4 399.22431 399.225191 0.000881 2.206779442 Y4 Y 4 415.243075 415.244075 0.001 2.408228 Y4 Y 4 415.243075 415.244075 0.001 2.408228 X4 X 4 441.22234 441.223366 0.001026 2.325358231 Z5 Z 5 562.28764 562.289044 0.001404 2.496942668 Z5 Z 5 562.28764 562.289044 0.001404 2.496942668 Y5 Y 5 578.306405 578.307827 0.001422 2.458904117 Y5 Y 5 578.306405 578.307827 0.001422 2.458904117 X5 X 5 604.28567 604.287191 0.001521 2.517021461 X5 X 5 604.28567 604.287191 0.001521 2.517021461 X+5 X+ 5 605.293495 605.295153 0.001657968 2.739114072 Y6 Y 6 725.374815 725.376798 0.001983 2.733759098 Y6 Y 6 725.374815 725.376798 0.001983 2.733759098 X6 X 6 751.35408 751.356143 0.002063 2.745709453 X6 X 6 751.35408 751.356143 0.002063 2.745709453 Z6 Z 6 709.35605 709.358164 0.002114 2.980167717 Z6 Z 6 709.35605 709.358164 0.002114 2.980167717 X7 X 7 898.42249 898.424901 0.002411 2.68359266 Z7 Z 7 856.42446 856.426959 0.002499 2.917945618 Z7 Z 7 856.42446 856.426959 0.002499 2.917945618 X+8 X+ 8 956.451775 956.45197 0.000194968 0.203845019 X8 X 8 955.44395 955.446263 0.002313 2.420864144 Z8 Z 8 913.44592 913.448384 0.002464 2.697477701 Y-8 Y- 8 928.45686 928.459423 0.002563032 2.760528982 X9 X 9 1111.54506 1111.547811 0.002751 2.474933405 X9 X 9 1111.54506 1111.547811 0.002751 2.474933405 Z9 Z 9 1069.54703 1069.550156 0.003126 2.922732626 Z9 Z 9 1069.54703 1069.550156 0.003126 2.922732626 Y9 Y 9 1085.565795 1085.568974 0.003179 2.92842683 Y-9 Y- 9 1084.55797 1084.561301 0.003331032 3.071326902 X10 X 10 1240.58765 1240.590789 0.003139 2.530252498 X10 X 10 1240.58765 1240.590789 0.003139 2.530252498 Z10 Z 10 1198.58962 1198.592853 0.003233 2.697336892 X+11 X+ 11 1298.616935 1298.617004 6.89679E-05 0.053108756 Y11 Y 11 1271.629845 1271.632713 0.002868 2.2553733 X11 X 11 1297.60911 1297.612446 0.003336 2.570882074 X11 X 11 1297.60911 1297.612446 0.003336 2.570882074 Z11 Z 11 1255.61108 1255.614468 0.003388 2.698287753 Z11 Z 11 1255.61108 1255.614468 0.003388 2.698287753 Z12 Z 12 1357.612445 1357.614458 0.002013 1.482750108 Z12 Z 12 1357.612445 1357.614458 0.002013 1.482750108 Y-12 Y- 12 1372.623385 1372.626774 0.003389032 2.469018164 Y-12 Y- 12 1372.623385 1372.626774 0.003389032 2.469018164 X+12 X+ 12 1400.6183 1400.621851 0.003550968 2.535285973 X+12 X+ 12 1400.6183 1400.621851 0.003550968 2.535285973 Y-13 Y- 13 1471.691795 1471.695383 0.003588032 2.438032258 Z13 Z 13 1456.680855 1456.684791 0.003936 2.702033178 Z13 Z 13 1456.680855 1456.684791 0.003936 2.702033178 Z14 Z 14 1569.764915 1569.768321 0.003406 2.169751641 Y-14 Y- 14 1584.775855 1584.779768 0.003913032 2.469139126 X+14 X+ 14 1612.77077 1612.774838 0.004067968 2.522347258 Y15 Y 15 1748.84701 1748.84733 0.00032 0.182977698 Z15 Z 15 1732.828245 1732.832118 0.003873 2.235074371 Y-15 Y- 15 1747.839185 1747.843435 0.004250032 2.431592166 X+15 X+ 15 1775.8341 1775.838353 0.004252968 2.394912864 Y16 Y 16 1861.93107 1861.931762 0.000692 0.371657153 Z16 Z 16 1845.912305 1845.916253 0.003948 2.138779827 X+16 X+ 16 1888.91816 1888.922472 0.004311968 2.282771176 X+17 X+ 17 1959.95527 1959.959498 0.004227968 2.157175725 Y-17 Y- 17 1931.960355 1931.964584 0.004229032 2.188984913 X+18 X+ 18 2088.99786 2089.002793 0.004932968 2.361404013 Z19 Z 19 2145.060415 2145.063979 0.003564 1.661491665 Y-19 Y- 19 2160.071355 2160.077134 0.005779032 2.67538943 X+21 X+ 21 2438.20924 2438.21089 0.001649968 0.676713017 Y-21 Y- 21 2410.214325 2410.217818 0.003493032 1.449262015 Y-22 Y- 22 2497.246355 2497.236973 -0.009381968 -3.756925267 X22 X 22 2524.233445 2524.227978 -0.005467 -2.165806024 Y-23 Y- 23 2554.267815 2554.267139 -0.000675968 -0.264642543 X23 X 23 2581.254905 2581.257252 0.002347 0.909247667 Y-24 Y- 24 4990.232005 4990.214497 -0.017507968 -3.508447686 X+24 X+ 24 5018.22692 5018.210221 -0.016699032 -3.327675758 Z25 Z 25 5088.305125 5088.290626 -0.014499 -2.849475345 X25 X 25 5130.303155 5130.295838 -0.007317 -1.426231507 X25 X 25 5130.303155 5130.327307 0.024152 4.707714002 X+26 X+ 26 5268.36989 5268.352685 -0.017205032 -3.265722117 Y26 Y 26 5241.3828 5241.365987 -0.016813 -3.207741285 Z27 Z 27 5353.422615 5353.409376 -0.013239 -2.472997361 X+28 X+ 28 5510.4714 5510.453302 -0.018098032 -3.28429834 Z28 Z 28 5467.465545 5467.44881 -0.016735 -3.060833189 Y-29 Y- 29 5581.544895 5581.555757 0.010862032 1.946061937 X+29 X+ 29 5609.53981 5609.557797 0.017986968 3.206496173