Hydrogen peroxide, nrog rau cov tshuaj formula H202, yog cov kua uas tsis muaj xim tsis muaj xim thiab cov kua aqueous feem ntau hu ua hydrogen peroxide. Feem ntau, hydrogen peroxide nrog ib feem loj ntawm 30% yog muag hauv khw, thaum tsev neeg siv hydrogen peroxide nrog ib feem ntawm 3% -5%.
1. Hydrogen peroxide yog ib qho reactive oxidant uas, thaum decomposed, tsim dej thiab tshiab ecological oxygen; H202- H20+[O], cov pa uas tsim tawm tshiab no yog cov pa atomic oxygen uas tseem tsis tau tsim cov khoom siv hluavtaws. Nws muaj peev xwm oxidation muaj zog heev thiab tuaj yeem oxidize tib lub hlwb. Thaum nws ntsib cov kab mob, nws tuaj yeem rhuav tshem cov kab mob thiab tua cov kab mob, yog li muaj lub zog tsis muaj zog heev. Hauv tshuaj, 3% mus rau 5% hydrogen peroxide feem ntau yog siv los ua tshuaj tua kab mob.
Ntau tus neeg cov hniav loj hlob tsis tu ncua, ua rau nws nyuaj rau tshem tawm cov seem hauv qhov khoob nrog txoj kev zoo tib yam. Thaum lub sij hawm, lub qhov ncauj yuav emit ib tug unpleasant tsw. Yog tias ntxuav nrog 3% -5% hydrogen peroxide rau lub sijhawm, nws tuaj yeem raug tshem tawm. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias hydrogen peroxide nthuav tawm tsis muaj zog acidity thiab muaj zog oxidizing zog. Thaum tua cov kab mob, nws tseem tuaj yeem ua rau cov ntaub so ntswg nyob hauv qhov ncauj thiab yuav tsum tsis txhob siv sijhawm ntev
Ntau tus tub ntxhais kawm nyiam hnav khau kis las thiab khau mus ncig, tab sis cov khau no muaj qhov ua tsis taus pa. Nyob rau tib lub sij hawm, fungi tuaj yeem loj hlob thiab yug me nyuam hauv lawv, ua kom yooj yim kom tau beriberi. Cov kws kho mob tuaj yeem sau cov tshuaj hu ua salicylic acid, tab sis cov tshuaj no muaj cov ntxhiab tsw tsw qab thiab khaus heev. Piv txwv li, thaum lub sij hawm kis tau tus kab mob xws li SARS thiab avian influenza, muaj ntau hom tshuaj tua kab mob nyob rau hauv lub khw, xws li chlorine dej thiab peracetic acid. Txawm li cas los xij, tom qab siv, lawv yuav tawm ib qho tsis kaj siab tsw. Txawm li cas los xij, yog tias koj siv 3-5% hydrogen peroxide nyob rau lub sijhawm no, koj tuaj yeem ua tiav ob qho tib si kev kho mob ntawm tus neeg ncaws pob taw thiab kev tu thiab tshuaj tua kab mob.
2. Vim muaj peev xwm ntawm ob chav dej kom hnov mob nrog acidic poov tshuaj permanganate, hydrogen peroxide tsis tuaj yeem siv ua ke los yog tov nrog cov tshuaj yeeb dej caw (xws li acidic potassium permanganate daws). Tab sis yog tias koj siv cov tshuaj ntshav qab zib, nws feem ntau nyuaj los ntxuav nws, yog li tsis txhob txhawj, tsuas yog ntxuav nws nrog hydrogen peroxide.
3. Hydrogen peroxide tuaj yeem cuam tshuam nrog cov hmoov txhuas sulfide. Tom qab siv cov xim dawb rau cov rooj tog hauv tsev, nws zoo nkaus li ci thiab dawb huv. Txawm li cas los xij, tom qab ib xyoos lossis ob xyoos, nws hloov xim daj daj, thiab tom qab lub sijhawm ntev, nws tig xim av dub dua. Yog vim li cas yog tias qee cov xim siv cov hlau lead carbonate ua cov xim, thiab hydrogen sulfide nyob rau hauv cov huab cua reacts nrog cov hlau lead carbonate hauv cov xim los tsim cov xim av dub dub sulfide. Nyob rau lub sijhawm no, yog tias siv hydrogen peroxide los ntxuav nws, nws tuaj yeem kho nws cov xim qub.
Ib yam li ntawd, yog tias koj sau cov duab pleev xim rau lub sijhawm ntev, lawv kuj yuav tsaus. Dunhuang murals yog cov khoom muaj nqis tshaj plaws hauv kev kos duab hauv Suav teb thaum ub, qhia txog cov txuj ci zoo nkauj ntawm cov neeg Suav thaum ub. Tshwj xeeb, daim duab ntawm ya zoo nkauj tuaj yeem coj tib neeg mus rau lub xeev tej yam yees siv. Txawm li cas los xij, lub ntsej muag ntawm cov kev zoo nkauj no yog xim dub, uas yog vim li cas. Nws tsis yog qhov nyuaj los kho lub ntsej muag qub ntawm lub mural, tsuas yog txau ib co hydrogen peroxide rau ntawm lub ntsej muag zoo nkauj nrog tshuaj tsuag.
4. Txhua leej txhua tus muaj kev hlub rau kev zoo nkauj. Qee tus neeg yuav yuam kev yuav cov khoom cuav thiab cov khoom tsis zoo thaum siv cov tshuaj pleev ib ce, thiab thaum siv, cov pob dub yuav maj mam tshwm sim ntawm lawv lub ntsej muag.Lub sijhawm no, tsis txhob ntshai. Koj tuaj yeem siv kev kho mob 3% hydrogen peroxide thiab mis hmoov los ua daim npog ntsej muag ntawm qhov sib piv ntawm 1: 1. Siv nws mus rau qhov chaw uas koj xav kom whiten rau 5 mus rau 10 feeb, feem ntau 15 feeb, thiab tom qab ntawd ntxuav nws. Tom qab ntau zaus, koj tuaj yeem ua tiav cov nyhuv whitening.