Bromothymol xiav (tseem hu ua bromothymol sulfone phthalein thiab BTB) yog pH qhia. Nws feem ntau yog siv rau hauv daim ntawv thov uas yuav tsum tau ntsuas cov tshuaj uas yuav muaj qhov nruab nrab pH (ze 7). Ib qho kev siv yog rau ntsuas qhov muaj carbonic acid hauv cov kua.
Yuav ua li cas cov tshuaj bromothymol xiav ntes tau?
Carbon dioxide ntau lawm tuaj yeem ntsuas los ntawm kev ua pa los ntawm cov quav cab rau hauv cov tshuaj bromothymol xiav (BTB). BTB yog qhov ntsuas acid; Thaum nws hnov mob nrog cov kua qaub nws hloov ntawm xiav mus rau daj.
Vim li cas bromothymol xiav siv hauv pas dej da dej?
Bromothymol Blue Indicator
Bromothymol xiav, ib qho tsis muaj zog acid, feem ntau yog siv los ua ib qho kev qhia rau cov kev daws teeb meem uas tsis muaj zog-tsis muaj zog acids thiab cov hauv paus. … Hauv chav kuaj, bromothymol xiav feem ntau yog siv los ua ib qho kev lom zem swb, rau kev sim cov duab ua kom zoo nkaujthiab tuaj yeem siv los ntsuas pH ntawm cov pas dej da dej.
Bromothymol xiav BTB ua haujlwm li cas?
Bromothymol xiav (BMB) yog tus taw qhia dye uas tig daj nyob rau hauv lub xub ntiag ntawm acid. Thaum carbon dioxide ntxiv rau cov tshuaj, nws tsim carbonic acid, txo cov pH ntawm cov tshuaj. BMB yog xiav thaum pH siab dua 7.6, ntsuab thaum pH nyob nruab nrab ntawm 6-7.6, thiab daj thaum pH tsawg dua 6.
Yuav ua li cas thaum bromothymol xiav ntxiv rau hauv lub hauv paus?
Bromothymol xiav yog pH qhia: nwsqhia cov kua qaub thiab cov hauv paus los ntawm kev hloov xim. Thaum koj ntxiv cov kua qaub, bromothymol xiav hloov daj; Thaum koj ntxiv ib lub hauv paus (xws li sodium sulfite), nws tig xiav.
