Vedelikke aurustatakse portselan- või teistsugustes aurustuskaussides, eelistades soojendamist veevannil kui kõige ettevaatlikumat soojendusviisi, aga ka teistel vannidel, millede valik sõltub lahusti omadustest.
Evaporate the three eluates over a hot plate or intra-red evaporator (5.7) in separate evaporating dishes (5.3) which have been previously cleaned and weighted (m0). Place the dishes in an oven (5.4) and dry to constant weight (m1).