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Combined Techniques Organic Chemistry
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helpme:)
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Hello, just a quick questions does anyone know what order you should look at the graphs? I know look at mass spec then IR but do i look at carbon or proton NMR first? thanks
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TSR Jessica
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Sorry you've not had any responses about this. 
Are you sure you've posted in the right place? 
Here's a link to our subject forum which should help get you more responses if you post there. 
Just quoting in Fox Corner so she can move the thread if needed
Are you sure you've posted in the right place? 
Here's a link to our subject forum which should help get you more responses if you post there. 
Just quoting in Fox Corner so she can move the thread if needed
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alow
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The order doesn't really matter too much. If you've got an idea of what you've made MS is a good check, followed by IR, NMRs, UV/VIS if appropriate.
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MexicanKeith
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(Original post by helpme:))
Hello, just a quick questions does anyone know what order you should look at the graphs? I know look at mass spec then IR but do i look at carbon or proton NMR first? thanks
Hello, just a quick questions does anyone know what order you should look at the graphs? I know look at mass spec then IR but do i look at carbon or proton NMR first? thanks
Personally I like to look at mass spec(molecular ion), then IR, then NMR's, then mass spec(fragmentation products)
Ultimately though it doesn't really matter, you can always go back and have another look at the different spectra if you think you might be able to get more information out of them!
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Pigster
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For A level combined spectra, IR is 1st - it tells you the functional groups i.e. C=O, CH2OH and/or COOH
It is sooo fast and gets you in the mood for looking at NMR.
It is sooo fast and gets you in the mood for looking at NMR.
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