Koj tuaj yeem ua koj tus kheej lub tshuab nqus dej caij ntuj no. Txhawm rau ua qhov no, tsuas yog txo qis ntawm qhov khov ntawm cov dej ib txwm. Hauv qhov no, nws yog ib qho tseem ceeb kom tsis txhob siv reagents xws li ntsev thiab lwm tus.
Txhawm rau ua kom tsis muaj dej khov ua kom koj tus kheej, nws txaus los ntxiv ib qho tshuaj rau hauv cov dej uas yuav txo qis crystallization point ntawm dej, i.e. yuav txo nws qhov khov txias. Nws tuaj yeem yog ib qho ntxiv uas yooj yim nrhiav tau, txawm tias tus nqi txheem tsis tau yuav lossis nws cia li plam lawm. Cov khoom ntxiv no suav nrog tag nrho cov dej cawv, cov tshuaj ntxuav qhov rai, txhua yam surfactants, ammonia, thiab txawm muaj vinegar.
Muaj ob peb hom zaub mov txawv:
1. Siv lub qhov rai huv uas muaj cawv. Sib tov nws nrog dej hauv ib qho sib piv 1: 2. Dej yuav tsum ob npaug rau nyiaj txiag. Cov kua dej tau npaj tiav.
2. Noj vodka li niaj zaus, nchuav nws rau hauv lub thoob kom sov. Qhov ntau vodka (lossis haus dej cawv ntshiab) muaj, qhov qis dua yog qhov xav tau rau cov kua kom khov.
3. Koj kuj tseem tuaj yeem siv tshuaj ntxuav tais diav (aka surfactant). Lub khov khov yog me ntsis siab dua ntawd, i.e. lub kaw lus yuav khov rau ntawm qhov ntsuas kub tsawg dua, tab sis tsim nyog rau hnub txias. Qhov sib piv yog tib yam li hauv thawj kab ntawv. Txawm li cas los xij, nws yog ib qho tseem ceeb kom nco ntsoov tias qee zaum ntxuav tais diav kua dej txias. Txhua qhov nws nyob ntawm qhov zoo ntawm cov tshuaj ntxuav tais diav.
4. Txhawm rau ua kom tsis txhob tawm tsam los ntawm cov kua qaub, koj yuav tsum sib tov dej thiab dej qab zib (tsis yog qhov tseem ceeb) hauv qhov sib piv ntawm ib mus rau ib. Cov txheej txheem yog qhov zoo nkauj, tab sis qhov tsis hnov tsw yuav pom tseeb. Cov vinegar yuav tsum tau muab tov kom huv nrog dej kom tsis txhob stratification ntawm cov Cheebtsam.
5. Kev siv ntawm ammonia raug tso cai. Qhov tsis hnov tsw kuj tseem yuav hnyav, tab sis yog tias tsis muaj lwm yam kev xaiv, ces hom no tuaj yeem siv.
Nws yog qhov zoo dua los siv dej distilled los npaj tawm tsam khov. Kais dej yog qhov tsim nyog, tab sis nws zoo tshaj plaws tsis siv nws ntau zaus. Nws tseem tsim nyog kom nco ntsoov tias txhua txoj kev tau piav qhia saum toj no yuav tsum pom tias muaj kev kub ntxhov kom tau txais kev tawm tsam thiab nws yog qhov zoo dua los hloov nws nrog kua zoo ua kom sai li sai tau.
