Yas droppers yog tsim los ntawm cov ntaub ntawv xws li PE thiab PET; lawv yog ib qho tseem ceeb ntawm cov khoom siv hauv chav kuaj, kev tshawb fawb zaub mov, kev lag luam kws tshuaj, thiab lwm yam haujlwm. Lawv muab qhov zoo xws li tus nqi qis thiab kev siv yooj yim.
1. Thaum siv cov yas ntim yas, rub lub qhov muag rau saum koj cov ntiv tes kom tshem tawm cov huab cua sab hauv; Tom qab ntawd, ntxig lub dropper rau hauv lub raj mis reagent thiab tso koj cov ntiv tes los kos cov kua.
2. Tom qab kos cov kua, lub dropper yuav tsum tuav nrog lub bulbous kawg tig upward; Tsis txhob nteg nws ncaj los yog thim rov qab, vim qhov no tiv thaiv cov tshuaj los ntawm ntws rov qab.
3. Thaum muab cov kua, tuav lub dropper suspended saum lub beaker yam tsis pub nws kov lub beaker lub puab phab ntsa; Qhov no tiv thaiv kev kis kab mob ntawm lub dropper lossis cov reagent.
4. Tsis txhob tso lub dropper ncaj qha rau ntawm qhov chaw kuaj lub rooj zaum lossis lwm qhov chaw, vim tias qhov no tuaj yeem ua rau cov khoom xa tuaj.
5. Cov tshuaj uas siv tau yuav tsum tau muab yaug nrog dej huv tam sim ntawd los npaj lawv rov qab siv dua.
6. Nws yog nruj me ntsis txwv tsis pub siv ib tug unrinsed dropper los kos ib tug txawv reagent (Faj seeb: Droppers txuas nrog reagent fwj yuav tsum tsis txhob muab yaug nrog dej).
7. Feem ntau cov yas droppers yog npaj rau kev siv ib zaug. Yog hais tias cov kua uas rub tawm ua rau muaj kev phom sij lom neeg, cov hnab yas yuav tsum muab pov tseg rau hauv lub hnab khib nyiab biohazard daj kom tsis txhob muaj kab mob hauv chav kuaj.