Ifanele imikhiqizo etholakala njalo yokukhulisa izinga lokushisa kwama-reagents ngokusabela, ukuhlaziya umphumela, nokuphuma kwemiphumela.Ifanele ukutholwa kokusabela okusheshayo, ukutholwa ngokushesha ezindaweni okungezona ezaselabhorethri, usayizi omncane, ukuphatheka kalula.