How to calculate isotope patterns in mass spectra

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This screencast shows you how to calculate isotope patterns in mass spectra.
  1. AnalyticalScienceTutor
  2. Mass spectrometry
  3. Isotopes
  4. Isotope patterns
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Комментарии
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This is exactly what I was looking for. Thanks so much!

josephogar
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Thank you for this video. Can you please tell if there is C3H7NO type of species. What should be for the combination of more than two elements which have isotopic distribution?

butterfly
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Hi, great video but I’m confused how you know the middle row and column should be 0 in the Cl2 example? How do you know it shouldn’t be 0 for the first row & column or the third row and column? Or should it always be zero in between the two isotopes if there are only two isotopes? What happens if there are 3 isotopes? Where do the zeros then go?

lw
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Thank you! In the video, you've shown the patterns of Cl2 but how do we calculate the relative abundances of the Cl 35+ and Cl 37+ fragments?

siby
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hi
thanks for this vedio. Please is it the same how to calculate mSigma in MS? But they gice us as one number. What is that?
Thanks

azizabed
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i understand the method but not the mathematical principle behind it, what is this called?

anonymousvatansever
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This grid method could be used directly for Cl3? Is it possible? Or unlikely we have to used like Cl2S?

AnkitTiwari-cirt