ppm2oxide {GCDkit} | R Documentation |
Recasts concentrations of a cation (in ppm) to those of the selected oxide (in wt %).
ppm2oxide(formula,where="WR")
formula |
character: the oxide which is to be recalculated |
where |
character: a name of matrix or dataframe with teh data to be recalculated |
A numeric matrix with one column containing the recalculated concentrations of the given oxide (in wt %) for individual samples.
Vojtech Janousek, vojtech.janousek@geology.cz
oxide2ppm
, oxide2oxide
, molecularWeight
data(sazava) accessVar("sazava") ppm2oxide("K2O") oxide2ppm("FeOt") oxide2ppm("FeO")+oxide2ppm("Fe2O3")