Cov tshuaj tiv thaivCov khoom noj khoom haus yog cov khoom noj khoom haus tseem ceeb hauv kev lag luam zaub mov, uas tuaj yeem tiv thaiv kev tsim cov kab mob me me thiab tiv thaiv kev puas tsuaj ntawm cov zaub mov, yog li txhim kho lub neej txee ntawm cov khoom. Niaj hnub no, ntau tus neeg siv khoom muaj qee qhov kev nkag siab yuam kev txog cov tshuaj preservatives, cov tshuaj preservatives raug cais ua "daim ntawv teev npe phem", qhov tseeb, cov tshuaj preservatives yog cov khoom tsis muaj txiaj ntsig sab nraud, qhov ntau yuav tsum ua raws li lub hauv paus ntsiab lus ntawm kev tsis siv lossis siv tsawg dua. Ua ntej, cov tshuaj preservatives muaj kev nyab xeeb hauv cov kev txwv siv, thiab qhov kev txhawj xeeb tseem ceeb tshaj plaws ntawm cov neeg siv khoom tsis raug kov; qhov thib ob, cov tshuaj preservatives tuaj yeem muab kev yooj yim rau zaub mov thiab txuas ntxiv qab, thiab qhov tsis muaj cov tshuaj preservatives yog qhov poob rau cov neeg siv khoom. Yog li ntawd, cov tshuaj preservatives nyob ze rau qhov xav tau ntawm rooj plaub, kev ua haujlwm zoo dua, los ntawm kev txo qis kev ua kom zoo dua, txhawb nqa kev noj haus thiab lwm txoj hauv kev los txhim kho tus nqi ntawm daim ntawv thov.
Qhov zoo ntawm cov txheej txheem sib xyaw ua ke ntawm cov tshuaj preservatives:
① Ua kom dav duatshuaj tua kab mobspectrum
②Txhim kho qhov ua tau zoo ntawm cov tshuaj
③Kev tiv thaiv kev ua qias tuaj theem ob
④ Txhim kho kev nyab xeeb
⑤ Tiv thaiv kom tsis txhob muaj kev tiv thaiv tshuaj
Cov txheej txheem sib xyaw ua ke ntawm cov tshuaj preservatives feem ntau yog raws li nram no:
① Kev sib xyaw ua ke ntawm cov tshuaj preservatives nrog ntau yam mechanisms ntawm kev ua haujlwm. Txoj kev sib xyaw ua ke no tsis yog ib qho yooj yim ntxiv cov txiaj ntsig, tab sis feem ntau yog kev sib txuas ntawm kev sib npaug, uas tuaj yeem txhim kho cov txiaj ntsig antiseptic ntawm cov tshuaj preservatives.
② Kev sib xyaw cov tshuaj preservatives nrog ntau yam mob sib txawv. Txoj kev sib xyaw no tuaj yeem muab ntau yam kev tiv thaiv xeb rau cov khoom.
③Nws yog qhov tsim nyog rau kev sib xyaw cov tshuaj preservatives ntawm ntau yam microorganisms. Txoj kev sib xyaw no feem ntau yog los nthuav dav cov tshuaj tiv thaiv corrosion ntawm lub kaw lus tiv thaiv xeb, thiab nws yog txoj kev siv ntau tshaj plaws rau kev tsim cov tshuaj pleev ib ce txhua hnub.
Nws tsim nyog nco ntsoov tias thaum sib xyaw ua ke, yuav tsum tau them sai sai rau qhov sib xyaw ua ke ntawm cov tshuaj preservatives, thiab yuav tsum tau them sai sai kom tsis txhob muaj kev sib cuam tshuam ntawm cov tshuaj preservatives, thiab tib lub sijhawm, them sai sai rau cov khoom siv antibacterial dav dav tom qab sib xyaw ua ke. Xws liPE91 , PE73, Phenoxyethanol(CAS No.122-99-6) thiabEthylhexylglycerin (CAS No. 70445-33-9) thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Ob Hlis-23-2022