GC-MS data Annotation without RI

Hello:)
I am new to Galaxy :slight_smile:
I want to run the Golm Metabolome Database search on my processed GC-MS data but i dont have RI… I have to choose “none” GC column, but there is no “none”-option…
If anyone knows the trick, I would be super thankful!
cheers, Philipp

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The algorithm behind Golm db search includes alkane RI as input data. So it not possible to unset this parameter or to set to none. There is no logic todo this using Golm Db. The Golm webservice proposes this option but it is a trap :wink:
If you have any question on metabolomics workflows/tools, please contact the workflow4metabolomics support at support@workflow4metabolomics.org

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Thank you very much Fgiacomoni for your response, that was really
helpful.

all the best,

Philipp

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