Potsatira mfundo yanu ya "ubwino, thandizo, magwiridwe antchito ndi kukula", tsopano tapeza chidaliro ndi kutamandidwa kuchokera kwa makasitomala akunyumba ndi apadziko lonse lapansi chifukwa cha Factory Supply Industrial Grade Glacial Acetic, Ubwino wapamwamba komanso mitengo yopikisana zimapangitsa zinthu zathu kusangalala ndi mbiri yabwino kulikonse padziko lapansi.
Potsatira mfundo yanu ya "ubwino, thandizo, magwiridwe antchito ndi kukula", tsopano tapeza chidaliro ndi matamando kuchokera kwa makasitomala am'deralo ndi apadziko lonse lapansi chifukwa cha, Popeza ndi mayankho apamwamba kwambiri pafakitale yathu, mndandanda wathu wa mayankho wayesedwa ndipo watipatsa ziphaso zovomerezeka. Kuti mupeze magawo ena ndi tsatanetsatane wa mndandanda wazinthu, onetsetsani kuti mwadina batani kuti mupeze zambiri zowonjezera.














5. Mayeso:
1. Asidi wa Formic:
a. Njira Yogwirira Ntchito: Yesani pafupifupi 5 g ya chitsanzo (pogwiritsa ntchito njira yolondola) mu beaker ya 100 ml. Onjezani madontho awiri a yankho la phenolphthalein indicator ndikuchepetsa ndi yankho la 2 N NaOH mpaka mtundu wofiira utawonekera. Thirani nthunzi mu bafa la madzi mpaka theka la voliyumu yoyambirira. Ziziritsani, onjezerani acidity ndi 5 ml ya HCl yokhazikika, ndikusamutsa mochuluka mu botolo la ayodini la 250 ml lomwe lili ndi 50 ml ya madzi ndi 50 ml ya yankho la 0.1 N NaBrO. Chophimbacho mwamphamvu, sakanizani bwino, ndikulola kuti liyime kwa mphindi 30. Onjezani 15 ml ya yankho la 16.5% KI, 20 ml ya 6 N HCl, ndi 2 ml ya yankho la starch indicator. Thirani ndi yankho la 0.1 N Na₂S₂O₃ mpaka mtundu wabuluu utasowa (mapeto). Chitani mayeso opanda kanthu nthawi imodzi.
b. Kuwerengera: (ml yopanda kanthu – Chitsanzo cha ml) × 0.1 (Zachibadwa) × 0.02301 = magalamu a HCOOH
c. Gulu la Acetic la Glacial Chidziwitso: Kutentha pa bafa la madzi mutawonjezera NaOH cholinga chake ndi kusuntha ndikuchotsa acetaldehyde, zomwe zingayambitse zotsatira zabwino. Gulu la Acetic la Glacial.
2. Acetaldehyde:
a. Njira Yogwiritsira Ntchito: Yesani pafupifupi 10 g ya glacial acetic acid (pogwiritsa ntchito njira yoyezera) mu botolo la ayodini la 250 ml. Onjezani 50 ml ya madzi, kenako thirani ndendende 10 ml ya yankho la 4% NaHSO₃ mu botolo. Ikani bwino, gwedezani, ndipo lolani kuti liyime kwa mphindi 30. Onjezani 2 ml ya yankho la starch indicator ndikuwonjezera ndi yankho la ayodini la 0.1 N mpaka mtundu wabuluu utawonekera (mapeto). Chitani mayeso opanda kanthu nthawi imodzi.
b. Kuwerengera: (ml yopanda kanthu – Chitsanzo cha ml) × 0.1 (Zabwinobwino) × 0.02203 = magalamu a CH₃CHO
6. Kukonzekera kwa Reagent:
0.1 N Sodium Hypobromite (NaBrO) Yankho: Onjezani 2.8 ml ya bromine ku 500 ml ya madzi. Onjezani 100 ml ya 2 N NaOH ndikusakaniza mpaka itasungunuka. Sakanizani ndi madzi ku 1000 ml kuti mupeze yankho la 0.1 N NaBrO.
6. Kukonzekera kwa Reagent ya Glacial Acetic:
0.1 N Sodium Hypobromite (NaBrO) Yankho: Onjezani 2.8 ml ya bromine ku 500 ml ya madzi. Onjezani 100 ml ya 2 N NaOH ndikusakaniza mpaka itasungunuka. Sakanizani ndi madzi ku 1000 ml kuti mupeze yankho la 0.1 N NaBrO.