All obtained ashes were grinded by a Cole Casper 8955010 grinder cylinder, at a speed varying from 188 to 208 rad/ minute 30 and 33 rpm; and a total number of 500 turns were set.
Todas las cenizas obtenidas se molturaron en un molino Cole Casper 89550-10, a una velocidad comprendida entre 188 y 208 rad/minuto 30 y 33 r.p.m.; se fijó un número total de 500 vueltas.