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powdR (version 1.1.0)

rockjock: RockJock reference library

Description

A powdRlib object of 168 pure reference patterns from the RockJock library (Cu K-alpha radiation) along with reference intensity ratios.Can be used with the fps() and afps() functions for quantitative analysis. Example mixtures for testing the rockjock library with known concentrations are available in the rockjock_mixtures data. See ?rockjock_mixtures.

Usage

rockjock

Arguments

Format

A list of 3 components

xrd

A dataframe of all xrd data (counts only). Column names denote the reference sample

tth

A vector of 2theta intervals of all measurements in the library

phases

A dataframe the phase ID's, names and reference intensity ratios (RIR)

References

https://pubs.er.usgs.gov/publication/ofr200378