Hi ku namarhela nsinya wa wena wa “khwaliti, mpfuneto, matirhelo na ku kula”, sweswi hi kumile ku tshembheka na ku dzunisiwa ku suka eka khasimende ya laha kaya na ya matiko ya misava eka Factory Supplied Industrial Grade Glacial Acetic, Khwalithi ya le henhla na mimpimo yo phikizana swi endla leswaku swilo swa hina swi tsakela xiyimo xa le henhla hinkwako eka rito.
Hi ku namarhela nsinya wa wena wa nawu wa “khwaliti, mpfuneto, matirhelo na ku kula”, sweswi hi kumile ku tshembheka na ku dzunisiwa ku suka eka khasimende ya laha kaya na ya matiko ya misava for , Ku va swintshuxo swa le henhla swa fektri ya hina, nxaxamelo wa hina wa swintshuxo wu kamberiwile naswona wu hi hlurile switifikheti swa vulawuri leswi nga na ntokoto. Ku kuma tipharamitha to engetela na vuxokoxoko bya nxaxamelo wa swilo, tiyisisa leswaku u tikhoma buti ku kuma nformation yo engetela.














5. Swikambelo: .
1. Asidi ya Formic: .
a. Maendlelo: Pima kwalomu ka 5 g ya xikombiso (hiku tirhisa technical balance) eka beaker ya 100 ml. Engeta 2 wa mathonsi ya phenolphthalein indicator solution kutani u neutralize hi 2 N NaOH solution kufikela loko ku humelela muhlovo wo tshwuka. Evaporate eka water bath kuya eka hafu ya volume yosungula. Pfuxeta, acidify hi 5 ml ya HCl leyi hlanganisiweke, kutani u hundzisela hi nhlayo eka 250 ml ya iodine flask leyingana 50 ml ya mati na 50 ml ya 0.1 N NaBrO solution. Yi yimisa kahle, hlanganisa kahle, kutani u tshika yi yima kuringana 30 wa timinete. Engeta 15 ml ya 16.5% KI solution, 20 ml ya 6 N HCl, na 2 ml ya starch indicator solution. Titrate hi 0.1 N Na2S2O3 solution kufikela loko muhlovo wa wasi wu nyamalala (endpoint). Endla xikambelo lexi nga riki na nchumu hi nkarhi wun’we.
b. Xibalo: (Blank ml – Xikombiso xa ml) × 0.1 (Ntolovelo) × 0.02301 = tigiramu ta HCOOH
c. Grade Glacial Acetic Xiya: Ku hisa eka bath ya mati endzhaku ko chela NaOH swi endleriwe ku khuluka na ku susa acetaldehyde, leswi handle ka swona swinga vanga mbuyelo wale henhla.Grade Glacial Acetic.
2. Acetaldehyde: 1 .
a. Maendlelo: Pima kwalomu ka 10 g ya glacial acetic acid (hiku tirhisa technical balance) eka 250 ml ya iodine flask. Engeta 50 ml ya mati, kutani u pipeta kahle kahle 10 ml ya 4% NaHSO3 solution eka flask. Yi yimisa swinene, yi ninginisa, kutani u yi tshika yi yima kuringana 30 wa timinete. Engeta 2 ml ya starch indicator solution kutani u titrate hi 0.1 N Iodine solution kufikela loko ku humelela muhlovo wa wasi (endpoint). Endla xikambelo lexi nga riki na nchumu hi nkarhi wun’we.
b. Xibalo: (Blank ml – Xikombiso xa ml) × 0.1 (Ntolovelo) × 0.02203 = tigiramu ta CH3CHO
6. Ku Lunghiselela ka Reagent: .
0.1 N Sodium Hypobromite (NaBrO) Solution: Engeta 2.8 ml ya bromine eka 500 ml ya mati. Engeta 100 ml ya 2 N NaOH kutani u hlanganisa kufikela yi khuluka. Hlantswa hi mati kuya eka 1000 ml kuva u kuma 0.1 N NaBrO solution.
6. Ku Lunghiselela ka Glacial Acetic Reagent ya Giredi:
0.1 N Sodium Hypobromite (NaBrO) Solution: Engeta 2.8 ml ya bromine eka 500 ml ya mati. Engeta 100 ml ya 2 N NaOH kutani u hlanganisa kufikela yi khuluka. Hlantswa hi mati kuya eka 1000 ml kuva u kuma 0.1 N NaBrO solution.