dewitt / opensearch

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untargeted_metabolites

ManarRashad opened this issue · comments

Dear all,
I have a group of metabolites analyzed by LC-MS and its form is like:
pHILIC_154.1225_1.6
nHILIC_241.087_1.1
pRPLC_261.1446_0.8
nRPLC_495.2962_9.1

I know that HILIC indicates to hydrophilic interaction while RPLC indicates to reverse phase liquid chromatography and n and p indicates negative and positive ionization modes.
my question is what is meant by numbers after these symbols like 154.1225_1.6
Is it molecular weight or anything else?
Hope anyone helps me