Lub purity ntawm hydroxypropylulcey methylcelulose hauv kev tsim kho rwb thaiv tsev thiab cov hmoov av uas cuam tshuam rau kev ua kom huv, yog li dab tsi yog qhov yog dab tsi yog qhov tseeb ntawm hydroxypropylulose? Cia kuv teb cov lus nug no rau koj.
Hauv cov txheej txheem ntau lawm ntawm hydroxypropylulose, qhov tseem ceeb oxygen yuav txwv thiab ntev npaum li nws tsis yog qhov nyuaj rau kev rov ua kom tawg molecules kev puas tsuaj. Cov dej tseem ceeb tshaj plaws muaj ntau yam yuav tau ua nrog cov ntsiab lus ntawm hydroxypropyl. Qee cov Hoobkas tsuas yog xav kom txo tus nqi thiab tus nqi, tab sis tsis xav nce cov ntsiab lus ntawm hydroxypropyl, yog li tsis muaj peev xwm mus txog theem ntawm cov khoom lag luam txawv teb chaws.
Cov dej tswj hwm kev ua haujlwm ntawm hydroxypropylulose kuj tseem muaj kev sib raug zoo, thiab rau tag nrho cov txheej txheem kev txiav txim siab, thiab rau tag nrho cov kev sib tw, thiab rau tag nrho cov txheej txheem tshuaj tiv thaiv ntawm hydroxypropylulose. Cov nyhuv ntawm cov alkalization, piv ntawm methyl chloride thiab propylene oxide, kev sib piv ntawm cov dej alkali thiab cov piv txwv ntawm cov paj rwb txhua qhov kev txiav txim siab ntawm cov khoom.
Qhov zoo ntawm cov ntaub ntawv raw, muaj qhov cuam tshuam ntawm kev sib cais, kev ntsuas ntawm cov kuab tshuaj thiab qee qhov kev saib xyuas methylropeny, thiab nws yog pos huab zoo li ntxiv Mis nyuj, ib txhia yog milky dawb, ib txhia yog daj daj, thiab ib txhia tau meej thiab pob tshab. Yog tias koj xav daws nws, kho los ntawm cov ntsiab lus saum toj no. Qee lub sij hawm acetic acid tuaj yeem cuam tshuam rau lub teeb kev hloov pauv. Nws yog qhov zoo tshaj plaws los siv acetic acid tom qab dmutioning. Qhov cuam tshuam loj tshaj plaws yog cov tshuaj tiv thaiv tau ua kom tusyees ruaj khov thiab qee cov ntaub ntawv muaj noo noo thiab cov ntsiab lus tsis ruaj khov, xws li cov kuab tshuaj uas tsis ruaj khov). Qhov tseeb, ntau yam yog nyob ntawm kev ua si. Nrog rau cov khoom ruaj khov ntawm cov khoom siv thiab kev ua haujlwm ntawm cov neeg ua haujlwm zoo, cov khoom tsim tawm yuav tsum ruaj khov. Qhov kev hloov chaw kaj yuav tsis pub tshaj qhov ntau ntawm ± 2%, thiab cov chaw hloov chaw ntawm cov pab pawg hloov pauv tau zoo. Hloov chaw ntawm kev sib txawv, teeb meem kev hloov pauv yuav twv yuav raug zoo.
Lub Sijhawm Post: Lub Tsib Hlis-30-2023