Get list of known contaminants
Usage
get_cont_list(polarity = c("positive", "negative", "unknown"), type = "URL")
Arguments
- polarity
The polarity to get contaminants for. Can be "positive", "negative" or "unknown". If "unknown" the list specified in the MetabolomiQCs.conf is used. MetabolomiQCs.conf can be in the working folder or the home folder. If those are not found the package default is used (unknown will used the positive mode list).
- type
If using local or remote. Only "URL" implemented which downloads a list from https://github.com/stanstrup/common_mz
Value
tbl A tibble
containing the columns:
Monoisotopic ion mass (singly charged): m/z of the contaminant
Ion type: Notation for adduct/fragment type
Formula for M or subunit or sequence: Molecular formula
Compound ID or species: Name of the compound
Possible origin and other comments: Suggestion for the origin of the contaminant
References: Reference for the contaminant