Buɗe Cod Gwajin Tube, riƙe shi a wani kwana da sannu a hankali ƙara
2.0 ml na samfurin samfurin da aka ambata daga bututun amsawa ba tare da haɗawa ba don haɗawa don yadudduka daban daban
an kafa su.
Tushen dunƙule kai mai tsaro a kan bututu, riƙe bututu da hula, sanya bututun a cikin kwalban aminci da girgiza
(Tsanaki, bututun gwaji ya zama zafi). Sanya bututu cikin shinge mai zafi. Fara tsarin dumama.
Bayan 2 h cire bututun gwaji daga toshe shinge, bada izinin kwantar da zafin jiki a ɗakin kuma girgiza a hankali
sau da yawa.
Mai tsabta a waje da bututun gwaji da gwargwado.
Daidaita paulometer zuwa sifili ta amfani da darajar blank "