Glacial Acetic Acid Density: Kev Ntsuas Kev Ntsuas
Glacial acetic acid, tshuaj hu ua acetic acid, yog ib qho tseem ceeb tshuaj raw khoom thiab organic hnyav. Nws tshwm sim raws li cov kua tsis muaj xim nyob rau hauv chav tsev kub, thiab thaum kub qis dua 16.7 ° C, nws yuav crystallize rau hauv cov dej khov zoo li cov khoom, yog li lub npe "glacial acetic acid". Nkag siab txog qhov ntom ntawm glacial acetic acid yog qhov tseem ceeb rau ntau yam kev lag luam thiab kev sim tsim. Kab lus no yuav txheeb xyuas qhov ceev ntawm glacial acetic acid kom ntxaws.
1. Lub tswv yim yooj yim ntawm glacial acetic acid ntom
Qhov ntom ntawm glacial acetic acid yog hais txog qhov loj ntawm glacial acetic acid ib chav tsev ntim ntawm qhov kub thiab txias. Qhov ceev feem ntau qhia los ntawm chav g / cm³ lossis kg / m³. Qhov ntom ntawm glacial acetic acid tsis yog tsuas yog ib qho tseem ceeb ntawm nws lub cev, tab sis kuj plays lub luag haujlwm tseem ceeb hauv kev npaj, khaws cia thiab thauj. Qhov ceev ntawm glacial acetic acid yog hais txog 1.049 g / cm³ ntawm tus qauv mob ntawm 25 ° C, uas txhais tau hais tias glacial acetic acid yog me ntsis hnyav dua dej.
2. Cov nyhuv ntawm qhov kub thiab txias ntawm qhov ntom ntawm glacial acetic acid
Qhov kub thiab txias yog qhov tseem ceeb uas cuam tshuam rau qhov ntom ntawm glacial acetic acid. Raws li qhov kub nce, qhov ntom ntawm glacial acetic acid txo qis. Qhov no yog vim qhov nce molecular zog thiab ntim expansion tshwm sim los ntawm qhov nce ntawm qhov kub thiab txias, uas ua rau txo qis hauv huab hwm coj ib chav tsev ntim. Tshwj xeeb, qhov ceev ntawm glacial acetic acid txo los ntawm kwv yees li 1.055 g / cm³ mus rau 1.049 g / cm³ thaum kub nce ntawm 0 ° C mus rau 20 ° C. Kev nkag siab thiab tswj cov txiaj ntsig ntawm qhov kub thiab txias ntawm qhov ntom ntom yog qhov tseem ceeb rau cov txheej txheem kev lag luam uas yuav tsum tau muaj qhov sib luag.
3. Qhov tseem ceeb ntawm glacial acetic acid ntom nyob rau hauv daim ntawv thov kev lag luam
Hauv kev tsim tshuaj lom neeg, kev hloov pauv ntawm qhov ntom ntawm glacial acetic acid tuaj yeem cuam tshuam qhov sib xyaw ntawm cov tshuaj reactants thiab kev ua haujlwm ntawm cov tshuaj tiv thaiv. Piv txwv li, hauv kev tsim cov yas acetate, cellulose esters, thiab polyester resins, glacial acetic acid feem ntau yog siv los ua cov tshuaj tiv thaiv tseem ceeb los yog hnyav, thiab qhov tseeb ntawm nws qhov ntom yuav pab tswj qhov tseeb ntawm cov tshuaj tiv thaiv. Thaum khaws cia thiab thauj cov glacial acetic acid, nws cov ntaub ntawv ceev kuj yog siv los xam cov kev sib raug zoo ntawm huab hwm coj thiab ntim kom muaj kev nyab xeeb thiab siv tau zoo.
4. Yuav ntsuas qhov ntom ntawm glacial acetic acid li cas
Qhov ntom ntawm glacial acetic acid tuaj yeem ntsuas tau los ntawm ntau txoj hauv kev, feem ntau yog kev siv lub ntsuas densitometer lossis txoj kev nqus lub raj mis tshwj xeeb. Lub densitometer ceev ceev ntsuas qhov ceev ntawm cov kua, thaum lub raj mis lub ntiajteb txawj nqus tshwj xeeb suav qhov ceev los ntawm kev ntsuas qhov loj ntawm ib qho ntim ntawm cov kua. Kev tswj qhov kub thiab txias tseem yog qhov tseem ceeb los xyuas kom meej qhov tseeb ntawm qhov ntsuas, vim tias qhov hloov pauv me ntsis tuaj yeem ua rau muaj kev hloov ceev.
5. Cov qauv thiab kev tiv thaiv kev nyab xeeb rau qhov ntom ntom ntawm glacial acetic acid
Thaum ua haujlwm glacial acetic acid, nws tsis yog tsuas yog yuav tsum tau them sai sai rau qhov kev hloov ntawm qhov ntom ntom, tab sis kuj yuav tsum ua tib zoo saib xyuas cov qauv kev nyab xeeb. Glacial acetic acid yog corrosive thiab volatile, thiab kev sib cuag nrog daim tawv nqaij los yog nqus pa ntawm vapor yuav ua rau raug mob. Yog li ntawd, thaum siv glacial acetic acid, koj yuav tsum tau nruab nrog kev tiv thaiv tsim nyog, xws li hnav hnab looj tes thiab tsom iav tiv thaiv, thiab ua haujlwm hauv qhov chaw muaj cua zoo.
Xaus
Qhov ntom ntawm glacial acetic acid yog qhov tseem ceeb ntawm ntau cov txheej txheem tshuaj, uas yog qhov tsis tshua muaj siab rau qhov kub thiab txias thiab cuam tshuam ncaj qha rau nws cov kev ua haujlwm hauv kev lag luam. Kev paub tseeb ntawm qhov ntom ntom ntawm glacial acetic acid tso cai rau kev tswj kom zoo ntawm cov txheej txheem, txhim kho kev ua haujlwm thiab ua kom muaj kev nyab xeeb. Txawm nyob hauv chav kuaj lossis hauv kev tsim khoom, nws yog qhov tseem ceeb kom paub qhov ntom ntawm glacial acetic acid. Nws cia siab tias qhov kev ntsuam xyuas dav dav ntawm qhov ntom ntom ntawm glacial acetic acid hauv daim ntawv no tuaj yeem muab kev siv thiab kev pab rau cov neeg ua haujlwm hauv cov haujlwm muaj feem xyuam.