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[Question from NMRWiki Q&A forum] Error in intergration of NMR peaks

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01-17-2013, 02:09 PM

nmrlearner

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Error in intergration of NMR peaks

Error in intergration of NMR peaks

I have a question regarding the quantification of the error in peak integrals due to noise.

I have a series of spectra with only one signal. I'm doing a diffusion measurement, so the intensity of this signal decreases, going through the series. I have to quantify the intensity drop, and also the error in this due to low S/N.

1) What would the error in the intensity due to noise be if I would determine the signal intensity from the first point of the FID (as I have only one signal, this is a good method)2) What would the error be if I first FT the FID, and then determine the integral of the resulting signal (this is easier to do with standard NMR software)

I hope someone can help me out!

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