#504341
Lig don pheitriliam éadrom galú as an sampla, ansin eastósctar trí chóireáil dhíreach é, arb é atá i gceist leis sin ná an sampla tástála saotharlainne a chur ar maos in uisce atá ag teocht an tseomra ar feadh uaire an chloig agus ansin é a chur ar maos in uisce ag 65 ± 5 °C ar feadh uair an chloig eile agus an licéar á chorraí ó am go ham.
Allow the light petroleum to evaporate from the sample, which is then extracted by direct treatment consisting in soaking the laboratory test sample in water at room temperature for 1 hour and then soaking it in water at 65 ± 5 °C for a further hour, agitating the liquor from time to time.