assign_ftir_peaks       Assign FTIR peak wavenumbers to functional
                        groups
baseline_correct        Baseline-correct an FTIR spectrum
bet_surface_area        BET surface area from multi-point gas
                        adsorption data
correlation_matrix      Pairwise correlation matrix with p-values
find_ftir_peaks         Automatically pick peaks from a full FTIR
                        spectrum
fit_confint             Confidence intervals for a fitted isotherm,
                        kinetics, or van't Hoff model
fit_dr                  Fit the Dubinin-Radushkevich (D-R) adsorption
                        isotherm
fit_elovich             Fit the Elovich kinetics model
fit_freundlich          Fit the Freundlich adsorption isotherm
fit_intraparticle       Fit the intraparticle diffusion (Weber-Morris)
                        kinetics model
fit_isotherm_batch      Fit an adsorption isotherm separately for each
                        group in a data frame
fit_kinetics_batch      Fit adsorption kinetics separately for each
                        group in a data frame
fit_langmuir            Fit the Langmuir adsorption isotherm
fit_pfo                 Fit pseudo-first-order adsorption kinetics
fit_pso                 Fits 'qt = (k2 * qe^2 * t) / (1 + k2 * qe * t)'
                        by nonlinear least squares.
fit_sips                Fit the Sips (Langmuir-Freundlich) adsorption
                        isotherm
fit_temkin              Fit the Temkin adsorption isotherm
fit_vant_hoff           Van't Hoff thermodynamic analysis of adsorption
ftir_band_reference     Reference table of common FTIR functional-group
                        band assignments
functional_group_density
                        Functional group density from a full FTIR
                        spectrum
parse_sbc_id            Parse structured biochar sample identifiers
pct_mass_change         Percentage mass loss between two mass
                        measurements
plot_ftir_spectrum      Plot an FTIR spectrum
plot_isotherm           Plot an adsorption isotherm fit
plot_kinetics           Plot a kinetics fit
proximate_analysis      Proximate analysis summary (moisture, volatile
                        matter, ash, fixed carbon)
qe_batch                Batch adsorption capacity (qe)
read_ftir_txt           Read a two-column FTIR spectrum export
read_xrd_txt            Read a two-column XRD pattern export
removal_efficiency      Percentage removal efficiency
save_tiff               Save a base-graphics plot as a 600 dpi TIFF
sbc_example             Synthetic example biochar dataset
ultimate_ratios         Atomic ratios from ultimate (CHNS) elemental
                        analysis
xrd_crystallinity_index
                        Peak-area crystallinity index from an XRD
                        pattern
xrd_deconvolve          Simplified multi-Gaussian XRD peak
                        deconvolution
