biocharkit: Biochar Characterisation and Adsorption Data Analysis

A toolkit for analysing biochar characterisation and batch adsorption experiments. Provides functions to parse structured sample identifiers encoding pyrolysis conditions, read raw FTIR and XRD instrument output, compute adsorption capacity and removal efficiency, fit adsorption isotherms following Langmuir (1918) <doi:10.1021/ja02242a004> and Sips (1948) <doi:10.1063/1.1746922> among other models, fit adsorption kinetics following Ho and McKay (1999) <doi:10.1016/S0032-9592(98)00112-5> and Chien and Clayton (1980) <doi:10.2136/sssaj1980.03615995004400020013x> among other models, fit batches of samples at once, compute van't Hoff thermodynamic parameters, baseline-correct and pick peaks in FTIR spectra, deconvolve XRD patterns into a crystallinity index, compute BET surface area following Brunauer, Emmett, and Teller (1938) <doi:10.1021/ja01269a023>, compute proximate and ultimate analysis summaries including directly from a thermogravimetric analysis (TGA) curve, compute a smoothed derivative thermogravimetric (DTG) curve and pick its decomposition peaks, fit non-isothermal decomposition kinetics from multi-heating-rate TGA data following Kissinger (1957) <doi:10.1021/ac60131a045>, build correlation matrices with p-values, and produce publication-style base-graphics figures including 600 dpi TIFF export. Built on base R ('stats', 'graphics', 'grDevices') so it has no dependency on packages that require external CRAN network access to install.

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