Yuav ua li cas los tso saib cov xeb nrog dawb cov khaub ncaws: qhov zoo tshaj txoj kev

Peb lub neej yog feem ntau tus neeg mob thaum koj tsis tau hnav koj nyiam cov khaub ncaws vim hais tias ntawm qhov tseeb hais tias nws yog ib zaug ntawm qhov chaw twb xa. Cov khoom uas niaj hnub neeg muaj tej zaum tsis yog cov tsuas yog ib qho zoo tshaj plaws thiab tsis xav kom muab pov tseg, thiab hnav ib lub txaj muag. Tsuas yuav ua tau los ntawm ntau yam keeb kwm: roj, kas fes, xim, kua mem sau, raws li tau zoo raws li xeb. Nws yuav zoo li ib yam li koj muaj peev xwm tswj kom muab tso rau hauv ib tug xeb stain khaub ncaws, tab sis tej zaum nws yog txaus cia siab rau ib yam khoom los yog xeb lawm ntxuav tshaj plaws uas muaj ntau studs adorning nws thiab peb muaj peev xwm pib xav txog yuav ua li cas kom tau txais cov xeb. Nrog khaub ncaws dawb nws yuav raug tshem tawm nrog ib tug sib tov ntawm tartaric acid thiab ntsev ntawd. Ua li no, siv sij hawm sib npaug zos qhov chaw ntawm ob yam thiab los ntawm kev ntxiv ib me ntsis dej, sib tov mush. Ces rub lub kab mob cov khoom yuav tsum nyob rau ib yam kev kawm, muab tso rau hauv ib tug xeb stain ua sib tov, thiab muab nyob rau hauv lub hnub, tos rau nws lub disappearance. Tom ntej no tshaj plaws yaug nyob rau hauv cov dej nyob rau ntawm lub ib tug kub ntawm 18 ° C los yog tsawg dua kom huv si ntxuav nyob rau hauv sov thiab ces yaug zoo.

Tsis txhob yuav amiss paub yuav ua li cas kom tau txais cov xeb tawm khaub ncaws dawb nrog hyposulfite. Ua li no, 15 grams ntawm hyposulfite yaj nyob rau hauv 200 grams ntawm dej thiab lub resulting sib tov twb sov rau 65 ° C. Ces tsuas cov ntaub so ntswg yuav tsum tau poob rau hauv cov tshuaj thiab tos rau lub teb disappearance ntawm cov pa phem. Tom ntej no, cov khoom yuav tsum tau rinsed nrog sov thiab ces dej txias. Nyob rau hauv cov ntaub ntawv no, tsis txhob hypophosphite tej zaum yuav siv citric los yog oxalic acid.

Yog hais tias koj tsis muaj rau ntawm txhais tes hyposulfite los yog citric acid, thiab cov lus nug ntawm yuav ua li cas kom tau txais cov xeb nrog dawb cov khaub ncaws yog heev mob, nws yog tej zaum yuav siv ib tug sib tov ntawm oxalic acid thiab acetic acid. 5-7 grams ntawm sib tov ntawm ob acids yuav tsum tau yaj nyob rau hauv 200 grams dej thiab rhuab nyob rau hauv ib enamel lauj kaub tshuaj txo qis rau hauv nws kab mob feem ntawm qhov tsab xov xwm rau ib tug ob peb lub vib nas this thiab ces rinsed nrog dej sov. Yog hais tias lub stain tsis ploj, rov hais dua cov txheej txheem dua. Raws li ib tug txoj cai, nws tshwm sim nrog cov laus stains.

Muaj yog ib txoj kev yuav ua li cas kom tau txais cov xeb nrog dawb cov khaub ncaws. Qhov no yuav tsum muaj ob leeg feem pua cov kua ntawm hydrochloric acid. Nws yog tsim nyog los txo cov khoom thiab kom ntev li ntev raws li yuav tsum tau ua kom tiav disappearance ntawm lub chaw. Ces tshaj plaws yaug nyob rau hauv dej, tov nrog ammonia nyob rau hauv ib tug 1 liter 3 dia dej cawv diav.

Muaj ntau ntau txoj kev uas peb thiaj yuav neeg xeb los ntawm cov khaub ncaws ntawm qaim xim. Yuav kom qhov no yuav tsum tau tov nyob rau hauv vaj huam sib qhov chaw ntawm dawb cawv xab npum, glycerin thiab dej, xuas gruel ua stain thiab cia rau sawv ntsug rau 24 xuab moos, ces ua tib zoo ntxuav thiab yaug.

Nws yog ib nqi sau cia hais tias ua ntej cov zaub xeb los ntawm ntaub, siv ib tug ntawm cov saum toj no txoj kev, koj yuav tsum tau xyuas tej yam nyob rau hauv cov khoom ntawm ib yam khoom uas nyob rau hauv ib tug me me seem ntawm los yog nyob rau hauv inconspicuous qhov chaw raws li tej yam mixtures yuav lwj koj nyiam tshaj plaws puas tau.

Yuav kom tiv thaiv re-tshwm sim ntawm xeb yuav tsum tau ntxuav thiab wiped qhuav raug rau cov teebmeem ntawm qhov chaw rau tej khaub ncaws.