Indlela yokuhlanza i-pipette yendabuko

Indlela yokuhlanza i-pipette yendabuko

Indlela yokuhlanza i-pipette yendabuko:

Hlanza ngamanzi ompompi bese ucwilisa ngesisombululo sokuwasha se-chromic acid.Izindlela zokusebenza eziqondile zimi kanje:

(1) Sebenzisa isandla sakho sokunene ukubamba ingxenye engenhla yepayipi endaweni efanele, umunwe wokukhomba useduze nomlomo ongenhla wepayipi, umunwe ophakathi nomunwe wendandatho uvule futhi ubambe ingaphandle lepayipi, isithupha. ibanjwe endaweni ephakathi phakathi komunwe ophakathi nomunwe wendandatho ngaphakathi kwe-pipette, futhi umunwe omncane ukhululeka ngokwemvelo;

(2) Thatha ibhola lokugeza izindlebe ngesandla sobunxele, nomlomo obukhali uye phansi, khipha umoya ebholeni, faka isihloko sebhola lokumunca indlebe phakathi noma eduze nomlomo ongenhla wepayipi, futhi uqaphele kuvuza umoya.Khulula kancane umunwe wesandla sakho sobunxele, ncela kancane okokugeza eshubhu kuze kube ngaphezu komugqa wesikali, khipha ibhola lendlebe, vala ngokushesha umlomo ongenhla weshubhu ngomunwe wakho wokukhomba, bese ubuyisela okokugeza phakathi. ibhodlela lokuqala ngemva kwesikhashana;

(3) Hlanza izindonga zangaphakathi nezingaphandle ze-pipette ngamanzi kampompi ngaphandle kwamaconsi amanzi, bese uwugeza ngamanzi acwecwe izikhathi ezintathu, bese ulawula amanzi omile ngokubekwe eceleni;

Indlela yokuhlanza ngokwezinga lokungcola:

(1) Ukuhlanza okuqondile ngamanzi a-distilled: faka ngqo i-pipette yengilazi emanzini a-distilled ukuze uhlanzwe noma uhlanjululwe, uthuli olujwayelekile kuphela olungagezwa.

(2) Ukuhlanza okokuhlanza: isixazululo se-alkaline sinomphumela oqinile wokugqwala engilazini, futhi singahlanzwa kuphela ngesihlanzi esingathathi hlangothi.Hlanza noma uxube i-pipette yengilazi ngamanzi aqukethe okokuhlanza, bese ugeza ngamanzi acwecwe, asebenza ekuhlanzeni amabala okuvamile kawoyela.

(3) I-Chromic acid lotion: sebenzisa i-chromic acid lotion noma i-lotion ekhethekile ukucwilisa bese ugeza ngamanzi acwecwe ukuze uthole amabala anenkani.