1. Khoom siv: iav yog qhov zoo tshaj
Maub-xim iav(Amber, lossis ntsuab) yog qhov zoo tshaj plaws raws li nws thaiv 90%}}}}}}}}}}}} Ntxhuav lawv .
2. Tsim nta
Cov tee dej lossis orifice reducer: Kom pom tseeb ua kom pom tseeb thiab txo cov huab cua nthuav tawm .
Menyuam Yob Quav: Yooj yim rau daim tawv nqaij daim tawv ncaj (e {{{0} g ., diluted blank).
Airtight Ntsaws: Saib rau lub raj mis nrog cov kaus mom kom nruj, cov roj hmab roj hmab, lossis cov hau ntswj kom txo qis evaporation .
3. Lub peev xwm
Me fwj (5-10 ml): Haum rau kev mus ncig lossis infrequently siv roj .
Cov hwj loj dua (50-100 ml): Zoo dua rau cov roj siv uas nquag siv los yog loj cia, tab sis kom muaj qhov chaw huab cua tsawg dua los txo cov oxidation .
4. Lub teeb thiab tswj qhov kub
Khaws cov hwj hauvTxias, qhov chaw tsaus(e {. g .}} kev hloov pauv hloov pauv tuaj yeem ua kom zoo .
5. Cov kev txiav txim siab tshwj xeeb
Kev sib xyaw: Siv cov hwj cais cais kom tsis txhob muaj kev sib kis ntawm cov khaub ncaws, thiab cov roj sib xyaw muaj lub neej luv (~2 lub hlis).
Rov siv dua: Cov fwj iav tuaj yeem raug ntxuav thiab siv dua, tab sis xyuas kom muaj kev kom tsis muaj menyuam ua ntej rov ua haujlwm
