Lubu cik ni me "rwom, kony, tic maber ki dongo", wan dong wa nongo gen ki pwoc ki bot luwil ma i gang ki ma woko pi Factory Supplied Industrial Grade Glacial Acetic, rwom maber ki wel ma rwate miyo jami wa bedo maber i kabedo weny.
Lubu cik ni me "rwom, kony, tic maber ki dongo", wan dong wa nongo gen ki pwoc ki bot luwil ma i gang ki ma woko pi , Bedo gin ma ki yubu maber loyo i factory wa, jami ma ki tiyo kwede dong ki temo ki wanongo waraga me tic maber. Pi jami mukene ma ki medo ki jami ma ki coyo, nen ni i dii bute ni me nongo ngec mukene.














5. Temo:
1. Formic Acid:
a. Kit me timo ne: Pim pek pa gin ma ki kwanyo ni ma romo 5 g (kun itiyo ki gin ma ki lwongo ni technical balance) i 100 ml beaker. Med 2 pii ma ki lwongo ni phenolphthalein indicator solution ki i juku ki 2 N NaOH solution nio ka rangi makwar nen. Medo yamo i kom pii me lwok nio wa i nucu pa dwonge macon. Med ngiic, me acid ki 5 ml me HCl ma ki keto iye, ki keto i 250 ml me iodine flask ma tye ki 50 ml me pii ki 50 ml me 0.1 N NaBrO solution. Gengo matek, rub maber, ki wek ocung pi dakika 30. Med 15 ml me 16.5% KI solution, 20 ml me 6 N HCl, ki 2 ml me starch indicator solution. Titrate ki 0.1 N Na2S2O3 solution nio ka rangi bulu ni orweny woko (agikki). Tim peny ma pe ki coyo iye jami i kare acel.
b. Kwano: (Blank ml – Sample ml) × 0.1 (Normality) × 0.02301 = grams me HCOOH
c. Gin ma ki lwongo ni Grade Glacial Acetic Ngec: Lyeto i kom pii ma ki lwok iye ingee medo NaOH ki yubu me weko yamo doko pii ki kwanyo acetaldehyde, ma onongo obi kelo adwogi maber.Grade Glacial Acetic.
2. Acetaldehyde:
a. Kit me tiimo ne: Pim 10 g me glacial acetic acid (kun itiyo ki gin ma ki lwongo ni technical balance) i 250 ml iodine flask. Med 50 ml me pii, ki dong pipet 10 ml me 4% NaHSO3 ma ki keto i flask. Gengo matek, yeny, ki wek ocung pi dakika 30. Med 2 ml me gin ma ki lwongo ni starch indicator solution ki titrate ki 0.1 N Iodine solution nio ka rangi bulu onen (agikki). Tim peny ma pe ki coyo iye jami i kare acel.
b. Kwano: (Blank ml – Sample ml) × 0.1 (Normality) × 0.02203 = grams of CH3CHO
6. Yub me Reagent:
0.1 N Sodium Hypobromite (NaBrO) Solution: Med 2.8 ml me bromine i 500 ml me pii. Med 100 ml me 2 N NaOH ki rubu nio ka oling. Dir ki pii me oo 1000 ml me nongo 0.1 N NaBrO solution.
6. Kit me yubu gin ma ki lwongo ni Glacial Acetic Reagent:
0.1 N Sodium Hypobromite (NaBrO) Solution: Med 2.8 ml me bromine i 500 ml me pii. Med 100 ml me 2 N NaOH ki rubu nio ka oling. Dir ki pii me oo 1000 ml me nongo 0.1 N NaBrO solution.