====== Grt-Bt: Perchuk, 1984 <B> ======
 
=== Details ===

<WRAP center round info 60%>
This sensor from [[:about_tpf|TPF]] collection
</WRAP>

^ Article |  |
^ Collibration |  |
^ Precision |  |
^ Ranges |  |
^ Renew sensors |  |

<use:sensors.t.grt_bt_perchuk_1984_b>
<test:sensors.t.grt_bt_perchuk_1984_b>

<WRAP center round todo 60%>
  * <del>заголовок</del>
  * краткое описание
  * статья
  * ссылка
  * карточка
  * подробное описание
  * <del>код</del>
  * тест
</WRAP>

=== Source ===
<Code linenums lang-r>
source("utilities_tpf.r");

sensors.t.grt_bt_perchuk_1984_b <- function(Grt, Bt, P, ...){
    Bt <- tpf.recalc_minaral("BT",Bt);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    X <- Grt$Mg_pfu / (Grt$Mg_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    Z <- Bt$Mg_pfu / (Bt$Mg_pfu + Bt$Mn_pfu + Bt$Fe_p2_pfu + Bt$Fe_p3_pfu);
    M <- Grt$Mn_pfu / (Grt$Mg_pfu + Grt$Mn_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    if (M>0.001) {
    K <- log((Z / (1 - Z)) * ((1 - X) / X));
    T <- (3947.9 + 0.012 * (P * 1000 - 6000)) / (K + 2.868) - 273 + 252.25 * (M - 0.035);
    warning(" GRT MUST EXHIBIT NEGATIVE CORRELATION OF MN WITH MG AND FE");
    }
    return(data.frame(Name=paste0(Grt$Name,"-", Bt$Name),P=P,T_calc=T));
}

sensors.t.grt_bt_perchuk_1984_b.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Bt");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_bt_perchuk_1984_b.test <- function(){
#
#}
</Code>

{{tag> tpf Grt Bt }}