Concentration standard deviation of total phosphorus {total_P CAS 7723-14-0} {TP or TDP} per unit volume of the water body [dissolved plus reactive particulate phase] by oxidation and colorimetric autoanalysis Total_P_AA_SD The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement. 2020-03-19 10:37:05.0 SDN:P01::SDTPHP01 SDN:P01::SDTPHP01 SDN:P01::SDTPHP01 8 8 2020-03-19 10:37:05.0 accepted false