Dab tsi yog acetic acid ua los ntawm?
Dab tsi yog acetic acid ua los ntawm?

Video: Dab tsi yog acetic acid ua los ntawm?

Video: Dab tsi yog acetic acid ua los ntawm?
Video: Qhov Ntawm Ko Yog Dab Tsi 2024, Kaum ib hlis
Anonim

Acetic acid ( CH3COOH ), tseem hu ua ethanoic acid, qhov tseem ceeb tshaj plaws ntawm cov carboxylic acids . Adilute (kwv yees li 5 feem pua ntawm ntim) tov ntawm acetic acid tsim los ntawm fermentation thiab oxidation ntawm ntuj carbohydrates hu ua vinegar ; ntsev, ester , los yog acylal ntawm aceticacid yog hu ua acetate.

Yog li ntawd, dab tsi ua rau acetic acid?

Acetic acid yog tsim tawm thiab excreted los ntawm acetic acid Cov kab mob, tshwj xeeb tshaj yog cov genus Acetobacter thiab Clostridium acetobutylicum. Cov kab mob no muaj nyob thoob plaws hauv cov khoom noj, dej, thiab av, thiab acetic acid yog tsim tawm ib txwm ua txiv hmab txiv ntoo thiab lwm yam khoom noj.

Tsis tas li ntawd, cov khoom noj dab tsi uas muaj acetic acid siab? Vinegar ua haujlwm hauv pH txo, tswj microbialgrowth, thiab txhim kho tsw. Nws tau pom siv ntau yam khoom, nrog rau cov khoom noj xws li ketchup, mustard, mayonnaise, thiab relish, nyias hnav khaub ncaws, marinades rau nqaij, nqaij qaib, thiab ntses, khoom noj khoom haus, kua zaub, thiab cheese.

Nyob rau hauv tas li ntawd, acetic acid yog dab tsi?

Acetic acid Otic Solution, USP yog kev daws teeb meem ntawm acetic acid (2%), hauv lub tsheb propylene glycol uas muaj propylene glycol diacetate (3%), benzethonium chloride (0.02%), sodium acetate (0.015%), thiab citric kua qaub.

Dab tsi yog acetic acid siv rau?

Acetic acid yog ib qho tshuaj tua kab mob uas kho cov kab mob los ntawm cov kab mob los yog fungus. Acetic acid otic (rau pob ntseg) yog siv rau kho cov kab mob hauv pob ntseg.

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