Kev siv tshuaj lom neeg siv tshuaj yog cov tshuaj uas yaj ib solute, ua rau muaj kev daws teeb meem. Lawv ua lub luag haujlwm tseem ceeb hauv kev lag luam, suav nrog kev ua tshuaj, duab, pleev xim, pleev xim, thiab ntxuav cov khoom lag luam. Cov versatility ntawm cov kuab tshuaj lom neeg ua rau lawv tsis tseem ceeb hauv kev lag luam thiab kev kuaj sim.
Ib qho ntawm cov haujlwm tseem ceeb ntawm cov kuab tshuaj chements chements yog los pab txhawb cov tshuaj feem ntau. Hauv kev lag luam kws tshuaj, piv txwv li, cov kuab tshuaj yog siv los ua kom cov khoom xyaw nquag los ntawm cov tshuaj raw, kom tau cov tshuaj siv tau zoo thiab muaj kev nyab xeeb rau kev noj haus. Cov kuab tshuaj uas suav nrog ethanol, methanol, thiab acetone, txhua tus xaiv rau lawv lub peev xwm los tshem cov tebchaw tshwj xeeb.
Nyob rau hauv cov xim thiab pleev xim kev lag luam, cov kuab tshuaj chements yog qhov tseem ceeb rau kev ua tiav cov khoom siv tau zoo sib xws thiab cov khoom siv. Lawv pab ua cov xim ua kom tawg, tso cai rau daim ntawv thov smlother thiab sai sai Cov kuab tshuaj xws li toluene thiab xylene feem ntau siv, tab sis lawv cov kab ke tsis sib xws (VOCs) tuaj yeem ua rau ib puag ncig thiab kev pheej hmoo. Raws li qhov tshwm sim, muaj kev loj hlob ntawm kev txhim kho ntawm cov voc thiab cov kuab dej raws li dej.
Ntxiv mus, cov kuab tshuaj uas yog tseem ceeb heev hauv cov khoom ntxuav, uas lawv pab yaj, roj, thiab lwm yam paug. Cov kuab tshuaj zoo li yog cov cawv copropyl thiab ethyl acetate feem ntau pom hauv cov tshuaj ntxuav tsev thiab kev siv tshuaj ntxuav tsev, ua kom lawv muaj kev ua kom huv thiab huv.
Txawm li cas los xij, kev siv cov kuab tshuaj lom neeg tsis muaj kev sib tw. Muaj ntau cov kev sib tw muaj kev phom sij, ua rau cov kev tswj hwm nruj li lawv siv thiab pov tseg. Qhov no tau qhia cov kws tshawb nrhiav thiab cov tsim khoom lag luam kom cov kev xaiv muaj kev nyab xeeb, xws li cov tshuaj lom xyoob ntoo los ntawm cov khoom siv tau yooj yim dua.
Hauv kev xaus, cov kuab tshuaj chements yog cov khoom tseem ceeb hauv kev lag luam, cov txheej txheem kev lag luam uas muaj los ntawm cov yeeb tshuaj los ntxuav cov chaw sib dhos. Raws li qhov kev thov kom muaj kev nyab xeeb dua thiab muaj kev nyab xeeb dua, lub neej tom ntej ntawm cov kuab tshuaj lom neeg yuav pom muaj kev cuam tshuam los ntawm kev coj kom muaj txiaj ntsig.
Lub sij hawm Post: Jan-07-2025