SD_SI04_>1um_aerosol
Concentration standard deviation of silicate {SiO44- CAS 17181-37-2} per unit volume of the atmosphere [aerosol >1um phase] by filtration and spectrophotometry
accepted
SDN:P01::ASDSIA02
The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement.