Yuav ua li cas kom tshem tawm npuas nyob rau hauv lub burette?
Ua ntej, dab tsi yog qhov cuam tshuam ntawm npuas hauv burette rau qhov kev xeem? 1. Yog tias muaj npuas thaum pib, nws yog qhov sib npaug ntawm cov kua dej ntau dua li qhov tseeb (vim tias cov roj tau txais kev txhawb nqa), yog li qhov ntim ntawm qhov kawg titration tov yog loj heev, thiab cov concentration ntawm cov khoom siv.
Lub ob hlis ntuj 1, 2019
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