Pl-L: Drake, 1976

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source("utilities_tpf.r");
 
sensors.t.pl_l_drake_1976 <- function(Pl, L, ...){
    Pl <- tpf.recalc_minaral("PL",Pl);
    L <- tpf.recalc_minaral("L",L);
 
    X <- Pl$Na_pfu / Pl$Ca_pfu;
    K <- L$Ca_pfu / (L$Ca_pfu + L$Al_c4_pfu + L$Al_c6_pfu + L$Na_pfu + L$Si_pfu);
    L <- (L$Al_c4_pfu + L$Al_c6_pfu) / (L$Ca_pfu + L$Al_c4_pfu + L$Al_c6_pfu + L$Na_pfu + L$Si_pfu);
    M <- L$Na_pfu / (L$Ca_pfu + L$Al_c4_pfu + L$Al_c6_pfu + L$Na_pfu + L$Si_pfu);
    N <- L$Si_pfu / (L$Ca_pfu + L$Al_c4_pfu + L$Al_c6_pfu + L$Na_pfu + L$Si_pfu);
    F <- K + L - M - N;
    R <- M * N / K / L;
    Q <- 20.31 + log(R / X);
    T <- (Q + sqrt(Q^2 + 4 * 0.01248 * 12900 * F)) / 2 / 0.01248 - 273;
    return(data.frame(Name=paste0(L$Name,"-", Pl$Name),T_calc=T));
}
 
sensors.t.pl_l_drake_1976.args <- function(){
    ars <- list();
    ars$minerals <- c("Pl", "L");
    ars$ranges <- c();
    return(ars);
}
 
#sensors.t.pl_l_drake_1976.test <- function(){
#
#}