Among the most popular methods for granulometric composition determina
tion is the pipette method in the modification of N.A. Kachinskiy. How
ever, it is rather time- and labor-consuming; therefore new ways are s
ought. Using the measuring devices of the series ''Sedigraph'' shorten
s the procedure to 20 minutes (the time for sample preparation is not
included). When the shortened modified scheme is applied, one analyst
may handle 200 samples per month instead of 120.