Cov txheej txheem kev khiav hauj lwm rau yas Droppers

Preprocessing: Ua ntej siv, tshuaj xyuas kev ncaj ncees ntawm lub cev pipette; Cov ntaub ntawv los ntawm Taizhou tus thawj coj saib xyuas cov xwm txheej hauv 2023 qhia tias qee yam khoom tsis muaj npe yuav tsum tau xa rov qab mus rau tus neeg muag khoom.

Aspiration: Nyem lub roj hmab teeb kom tshem tawm cua, ces muab tso rau hauv lub pipette vertically 2-3 cm hauv qab ntawm cov kua nto los kos cov kua.

Volume Control: Ntsuas qhov ntim kom meej rau qhov ze tshaj 0.1 mL siv cov cim kawm tiav; coj qhov kev nyeem ntawv los ntawm kev ua kom qhov qis tshaj ntawm cov kua meniscus nrog rau cov kab kawm tiav.

Kev Tso Npe: Tom qab kos cov kua, khaws lub qhov kawg ntawm qhov chaw siab tshaj qhov ntxeev, thiab muab cov pipette tso rau hauv ib qho chaw muag khoom.

Kev pov tseg pov tseg: Yog tias lub pipette tau ntsib nrog cov tshuaj tiv thaiv corrosive, nws yuav tsum xub muab yaug nrog cov tshuaj tsis zoo ua ntej muab pov tseg raws li cov txheej txheem kho mob pov tseg.