Video: Dab tsi cawv yog siv los rub cov cawv?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov khoom tseem ceeb ntawm rubb cawv yog isopropyl cawv . Rubbing cawv feem ntau yog 70% isopropyl cawv , tab sis feem pua ntawm 60% txog 99% isopropyl cawv.
Tsis tas li kom paub yog, dab tsi yog hauv cawv cawv?
Isopropyl cawv (C3H8O), tseem hu ua rubb cawv , yog ib cawv sib tov npaj rau sab nraud siv raws li ib tug antiseptic; nws feem ntau muaj 70% los ntawm qhov ntim ntawm qhov tseeb cawv los yog isopropyl cawv ; qhov seem muaj dej, denaturants, thiab roj naj hoom; siv los ua rubefacient rau cov leeg thiab mob ib ce thiab
Qhov thib ob, ethyl rub cawv cawv siv rau dab tsi? Ethyl cawv , dav lub npe hu ua ethanol , nplej cawv los yog haus cawv , muaj nyob hauv cov dej cawv. Nws tsis muaj xim, nplaim hluav taws thiab-thaum tsis muaj npe (xav tias: tshuaj ntxiv rau kom tsis txhob siv kev ua si) -tau siv li roj ntxiv los yog tshuaj pleev tshuaj tua kab mob.
Hauv qhov no, puas yog isopropyl cawv tib yam li cawv cawv?
Rubbing cawv yog ib qho tshuaj tua kab mob, uas muaj tsis pub tsawg dua 68% thiab tsis ntau tshaj 72% ntawm isopropyl cawv . Cov ntim ntxiv muaj cov dej, nrog lossis tsis muaj cov tshuaj tiv thaiv tsim nyog, cov roj tsw qab, thiab cov xim ntxiv uas tau lees paub los ntawm FDA rau kev siv tshuaj.
Koj puas tuaj yeem haus cawv cawv?
Rub Cawv Ua Kom Yooj Yim Cawv Tshuaj lom. Yog tsis muaj kev nyab xeeb ntawm rubb cawv , los yog lwm yam ntaub ntawv ntawm kiag li los yog isopropyl cawv , tias koj haus tau . Cov khoom no tsis yog npaj rau kev siv. Txawm li cas los xij, hom no cawv yuav ua rau muaj kev puas tsuaj rau lub siab ntau dua li npias, cawv, thiab cawv hnyav.
Pom zoo:
Dab tsi yog hauv isopropyl rub cawv?
Isopropyl cawv (C3H8O), tseem hu ua cawv cawv, yog cawv sib xyaw npaj rau sab nraud siv ua tshuaj tua kab mob; nws feem ntau muaj 70% los ntawm ntim cawv los yog cawv isopropyl; qhov seem muaj dej, denaturants, thiab roj naj hoom; siv los ua rubefacient rau cov leeg thiab mob ib ce thiab
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