Acetic acid:
Niaj hnub no, ntau pawg ntawm cov nroj tsuag tsis txaus siab rau qhov pib ntawm kev tsim kho, thiab cov khoom lag luam muab qee qhov kev txhawb nqa rau kev ua lag luam.Txawm li cas los xij, cov neeg siv qis qis feem ntau tsis txaus siab kom tau txais cov khoom muag, thiab kev lag luam tsuas yog xav tau kom tiaj tus.Nws cia siab tias kev lag luam glacial acetic acid yuav nyob ruaj khov hnub no.
Qhov kev hloov pauv ntawm cov khoom siv thiab kev xav tau nyob rau hauv North China glacial acetic acid kev lag luam cheeb tsam tsis pom tseeb, lub hom phiaj ntawm kev sib tham hauv kev lag luam yog ruaj khov ib ntus, qhov kev xav tau tsuas yog qhov nruab nrab, thiab kev poob siab ntawm kev lag luam tau qaug zog.
Muaj kev teeb tsa rau qhov chaw nres tsheb thiab thauj khoom txo qis, thiab cov neeg siv qis qis feem ntau yog nyob rau sab nraud, thiab kev txaus siab rau kev sib tham yog txwv, tab sis qee qhov kev ua haujlwm ua ntej hnub so tsis tuaj yeem txiav tawm.Kev lag luam glacial acetic acid yuav tsum ruaj khov rau lub lim tiam no.
Isopropyl cawv:
Niaj hnub no, lub hom phiaj ntawm kev sib tham hauv isopropyl cawv hauv kev lag luam tau nce sai.Qhov chaw ncig hauv isopropyl cawv ua lag luam hauv Jiangsu yog nruj, thiab cov neeg tuav tsis kam muag ntawm tus nqi qis, thiab cov dej hauv qab yog ceev faj thiab yuav khoom ntawm kev thov.Lub khw isopropyl cawv nyob rau sab qab teb Tuam Tshoj tau txwv tsis pub muaj cov khoom lag luam, thiab qee qhov ntawm lawv tau muab rau kev txiav txim xa tawm, thiab cov khoom raug xa tawm thiab thauj los ntawm lwm lub xeev los ntxiv rau thaj chaw.
Shandong Dadi Supu's 100,000-tuj / xyoo isopropyl cawv cog ua haujlwm zoo.Kev muab tau raug tshem tawm rau lub Hoobkas hauv Shandong thiab lub tsev khaws khoom hauv West Tuam Tshoj, thiab cov tuam ntxhab feem ntau zom cov khoom muag.
Nag hmo, lub hom phiaj ntawm kev ua lag luam isopropyl cawv hauv tsev tau nce siab, cov khoom siv hauv khw tau nruj, thiab cov neeg tuav tsis kam muag ntawm tus nqi qis.Nws xav tias kev lag luam hauv tsev isopropanol yuav hloov pauv me ntsis niaj hnub no, thiab xyuam xim rau cov kev hloov pauv ntawm kev lag luam ntim thiab cov qauv ntawm cov khoom lag luam acetone.
Post lub sij hawm: Sep-20-2022