Peb yuav mob siab rau peb tus kheej los muab peb cov neeg siv khoom hwm thaum siv cov kev pabcuam zoo tshaj plaws rau Glacial Acetic Acid Gaa Liquid, Yog tias koj xav tau ib qho ntawm peb cov khoom lossis xav tshuaj xyuas kev yuav khoom tshwj xeeb, koj tuaj yeem tiv tauj peb. Peb tab tom nrhiav rau pem hauv ntej los tsim kev lag luam vam meej nrog cov neeg siv khoom tshiab thoob plaws ntiaj teb hauv lub sijhawm tom ntej.
Peb yuav mob siab rau peb tus kheej los muab peb cov neeg siv khoom zoo tshaj plaws thaum siv cov neeg muab kev pabcuam zoo tshaj plaws rau, Nrog rau kev siv zog kom ua raws li lub ntiaj teb kev hloov pauv, peb yuav ib txwm siv zog ua kom tau raws li cov neeg siv khoom xav tau. Yog tias koj xav tsim lwm yam khoom tshiab, peb tuaj yeem kho lawv kom haum rau koj cov kev xav tau. Yog tias koj xav paub txog peb cov khoom thiab cov kev daws teeb meem lossis xav tsim cov khoom tshiab, koj yuav tsum tiv tauj peb. Peb tab tom nrhiav rau pem hauv ntej los tsim kev sib raug zoo ua lag luam nrog cov neeg siv khoom thoob plaws ntiaj teb.














3. Cov Lus Qhia:
Tsos: Tsis muaj xim, kua pob tshab.
Kev Ntsuas (Cov Ntsiab Lus): 98% yam tsawg kawg nkaus.
Formic Acid: 0.5% siab tshaj plaws.
4. Kev Ntsuas ntawm Glacial Acetic Acid Gaa Kua:
Cov tshuaj tiv thaiv: CH₃COOH + NaOH → CH₃COONa + H₂O
Txheej Txheem: Muab kwv yees li 0.5 ml ntawm glacial acetic acid rau hauv lub raj mis iodine 150 ml uas tau hnyav ua ntej uas muaj 25 ml dej. Kaw lub raj mis kom nruj, sib tov kom zoo, thiab hnyav dua. Qhov sib txawv ntawm ob qhov hnyav sawv cev rau qhov hnyav ntawm cov qauv. Ntxiv 10 ml dej thiab 3 tee ntawm phenolphthalein indicator. Titrate nrog 0.5 N NaOH kua kom txog thaum xim liab dawb cim qhov kawg. Glacial Acetic Acid Gaa Kua.
Kev Xam: ml (NaOH) × 0.5 (Qhov Ib Txwm Muaj) × 0.06005 = grams ntawm CH₃COOH
(Ceeb Toom: Qhov kev xam no yuav xav tias qhov tshwm sim yog qhov hnyav hauv grams, siv los nrhiav qhov feem pua ​​​​​​ntawm kev huv piv rau qhov hnyav ntawm cov qauv).