Kunamatsela esimisweni sakho se “lizinga, lusito, kusebenta kanye nekukhula”, nyalo sesitfole kwetsemba kanye nekunconywa kusuka ekhasimendeni lasekhaya nasemhlabeni wonkhe le-Factory Supplied Industrial Grade Glacial Acetic, Lizinga lelisetulu kanye nemazinga ekuncintisana kwenta tintfo tetfu tijabule ngekuma lokusezingeni leliphakeme yonkhe indzawo egameni.
Kunamatsela esimisweni sakho se “lizinga, lusito, kusebenta kanye nekukhula”, nyalo sesitfole kwetsemba kanye nekunconywa kusuka ekhasimendeni lasekhaya nasemhlabeni wonkhe for , Kuba tisombululo letihamba embili efektri yetfu, uchungechunge lwetisombululo tetfu luhloliwe futsi lwasincoba titifiketi teligunya letinelikhono. Kute utfole emapharamitha langetiwe kanye nemininingwane yeluhlu lwetintfo, ciniseka kutsi uchafata inkinobho kute utfole lwati lolwengetiwe.














5. Tivivinyo:
1. Esidi ye-Formic:
i. Inchubo: Kala cishe 5 g wesampula (usebentisa ibhalansi yebuchwepheshe) ube yi beaker lengu 100 ml. Faka emaconsi lamabili esixazululo sesikhombi se phenolphthalein bese uyanciphisa ngesisombululo se 2 N NaOH kuze kuvele umbala lobovu. Hhwamuka ekugezeni kwemanti kuya kuhhafu wevolumu yasekuqaleni. Pholisa, yenta esidi nge 5 ml ye HCl lecinile, bese udlulisela ngesilinganiso ku 250 ml we iodine flask lecuketse 50 ml wemanti kanye na 50 ml we 0.1 N NaBrO solution. Vala kahle, hlanganisa kahle, bese uvumela kutsi ume imizuzu lengu-30. Faka 15 ml we 16.5% KI sisombululo, 20 ml we 6 N HCl, kanye na 2 ml we sisombululo sesikhombi sesitashi. Titrate nge 0.1 N Na2S2O3 sisombululo kuze kube ngulapho umbala loluhlata sasibhakabhaka unyamalala (indzawo yekugcina). Yenta sivivinyo lesingenalutfo ngaso sonkhe sikhatsi.
b. Kubala: (Iml lengenalutfo – Iml yesampula) × 0.1 (Lokuvamile) × 0.02301 = emagremu e-HCOOH
c. Libanga le Glacial Acetic Caphela: Kushisa ekugezeni kwemanti ngemuva kwekufaka iNaOH kuhloswe kutsi kuhwamuke bese kususa i-acetaldehyde, lebekungabangela imiphumela lesetulu.Libanga le Glacial Acetic.
2. I-acetaldehayidi:
i. Inchubo: Kala cishe 10 g we glacial acetic acid (usebentisa ibhalansi yebuchwepheshe) ube yi flask ye iodine lengu 250 ml. Faka 50 ml wemanti, bese ufaka ngco 10 ml we 4% NaHSO3 sisombululo kule flask. Vala kahle, unyakatise, bese uvumela kutsi ume imizuzu lengu-30. Faka 2 ml wesisombululo sesikhombi sesitashi bese u titrate ngesisombululo se 0.1 N Iodine kuze kuvele umbala loluhlata sasibhakabhaka (indzawo yekugcina). Yenta sivivinyo lesingenalutfo ngaso sonkhe sikhatsi.
b. Kubala: (Ml lengenalutfo – Ml yesampula) × 0.1 (Lokuvamile) × 0.02203 = emagremu e-CH3CHO
6. Kulungiselela I-Reagent:
0.1 N Sisombululo: Faka 2.8 ml we bromine ku 500 ml wemanti. Faka 100 ml we 2 N NaOH bese uyavusa kuze kuncibilike. Hlanganisa ngemanti kuya ku 1000 ml kutfola sisombululo se 0.1 N NaBrO.
6. Kulungiselela I-Reagent Ye-Acetic Yelibanga Leliqhwa:
0.1 N Sisombululo: Faka 2.8 ml we bromine ku 500 ml wemanti. Faka 100 ml we 2 N NaOH bese uyavusa kuze kuncibilike. Hlanganisa ngemanti kuya ku 1000 ml kutfola sisombululo se 0.1 N NaBrO.