Txawm hais tias koj tab tom ua qhov kev sim tshawb fawb, siv cov hlau xeb rau ib daim duab, lossis tsuas yog xav sim xeb qee yam, xeb hlau yog qhov yooj yim thaum ua tiav txoj hauv kev. Muaj ntau txoj hauv kev xaiv los ntawm no.
Kauj ruam
Txoj Kev 1 ntawm 3: Tshuaj Acid thiab Tooj
Kauj Ruam 1. Ua kom ntseeg tau tias cov hlau uas koj yuav siv tau tuaj yeem xeb
Tsuas yog cov hlau uas muaj hlau yuav xeb thiab qee cov hlau phom hlau yuav xeb maj mam lossis tsis txhua. Cov hlau tsis huv / hlau ua los ntawm kev sib xyaw hlau thiab chromium yuav nyuaj heev rau xeb. Thaum cam khwb cia hlau lossis wrought hlau yog hom yooj yim rau xeb.
Kauj Ruam 2. Ntsuas cov tshuaj hydrochloric rau hauv lub raj mis yas
Tsawg concentration ntawm hydrochloric acid tau npaj tau yooj yim hauv khw muag khoom kho vajtse thiab feem ntau sau nrog lub npe muriatic acid. Ua tib zoo ncuav txog 2 ooj (60 ml) ntawm hydrochloric acid rau hauv lub raj mis yas tuab. Koj yuav tsum hnav hnab looj tes roj hmab thiab tsom iav kev nyab xeeb thaum ua qhov no.
Kauj Ruam 3. Sib tov me me tooj liab hauv hydrochloric acid
Dissolving tooj liab hauv cov tshuaj hydrochloric acid yuav ua kom cov txheej txheem xeb. Txoj hauv kev zoo tshaj plaws kom yaj tooj liab hauv cov kua qaub yog qhwv cov tooj liab tsis ntev heev nyob ib ncig ntawm lub kauj thiab tsau nws hauv cov kua qaub txog li ib lub lim tiam.
- Thaum koj tso cai rau tooj liab nqus, tsis txhob kaw lub raj mis kom nruj. Cov pa uas tsim los ntawm cov tshuaj lom tshuaj uas tshwm sim yuav ua rau lub siab tawm sab hauv lub raj mis. Xyuas kom tseeb tias lub raj mis tau sau kom meej thiab khaws cia kom deb ntawm cov menyuam lossis tsiaj.
- Npib ua los ntawm tooj liab kuj tseem siv tau. Nco ntsoov tias cov nyiaj npib muaj tooj liab ntau dua, piv txwv li npib los ntawm Tebchaws Meskas ua tom qab xyoo 1982 tsuas muaj 2.5% tooj liab. Txawm li cas los xij, npib ua ntej xyoo 1982 muaj 95% tooj liab.
Kauj Ruam 4. Ntxiv dej rau cov kua qaub thiab tooj liab daws
Thaum qee cov tooj liab tau yaj rau hauv cov kua qaub, muab cov hnab looj tes tiv thaiv thiab ua tib zoo tshem cov tooj liab los ntawm cov tshuaj. Sai li cov tooj liab raug tshem tawm ntawm cov tshuaj, koj tuaj yeem muab pov tam sim ntawd. Dilute cov kua qaub nrog dej siv qhov sib piv ntawm 1 feem kua qaub tov nrog 50 feem dej. Yog tias koj siv 2 ooj (60 ml) ntawm hydrochloric acid, koj yuav tsum sib tov nws nrog txog ib nkas loos (3.8 liv dej).
Kauj Ruam 5. Ntxuav cov hlau lossis hlau kom huv
Kev daws cov kua qaub thiab tooj liab ua haujlwm zoo tshaj plaws thaum cov hlau huv heev. Muaj ntau qhov khoom lag luam ntawm lub khw uas tau tsim los kom txo qis thiab txhuam cov hlau, tab sis kev ntxuav thiab ntxuav lawv nrog xab npum thiab dej feem ntau txaus.
Kauj Ruam 6. Thov cov kua qaub
Thov ib txheej nyias rau cov hlau thiab tom qab ntawd cia nws qhuav. Cov kua qaub tuaj yeem thov nrog txhuam lossis txau siv lub raj tshuaj tsuag txawm hais tias cov kua qaub yuav ua rau puas tag nrho cov khoom siv hlau ntawm lub raj mis tsuag. Hnav cov hnab looj tes tiv thaiv thiab tsom iav tiv thaiv kev nyab xeeb thaum siv nws, thiab ua haujlwm hauv thaj chaw muaj cua nkag tau zoo, zoo dua sab nraum zoov.
Kauj Ruam 7. Cia cov hlau xeb
Tsis pub dhau ib teev, cov hlau yuav xeb xeb. Koj tsis tas yuav so lossis yaug tawm cov kua qaub uas seem vim cov kua qaub yuav ploj mus ntawm nws tus kheej. Yog tias koj xav tau txheej hnyav dua ntawm xeb, rov ua dua cov kua qaub.
Kauj Ruam 8. Ua tiav
Txoj kev 2 ntawm 3: Peroxide thiab ntsev
Kauj Ruam 1. Xaiv chav uas muaj cua nkag tau zoo los ua haujlwm
Peroxide tuaj yeem ua rau muaj kev phom sij yog nqus ntau dhau ib zaug. Xaiv ib daim hlau los yog hlau, ob qho tib si uas tuaj yeem siv tau hauv txoj kev no.
Kauj Ruam 2. Muab cov tshuaj peroxide tso rau hauv lub raj tshuaj tsuag
Siv lub raj mis tsuag yuav ua rau koj txoj haujlwm thov siv cov tshuaj peroxide rau cov hlau yooj yim dua. Tsuag cov hlau seem nrog qhov ncaj ncees ntawm peroxide. Txau cov tshuaj peroxide ntau yuav pab ua kom cov txheej txheem xeb.
Kauj Ruam 3. Sprinkle ntsev hla cov hlau
Koj yuav tsum ua qhov no thaum peroxide tseem ntub. Cov txheej txheem xeb tab tom yuav pib thiab nws yog qhov yooj yim heev pom. Koj tuaj yeem nchuav ntsev ntau dua lossis tsawg dua nyob ntawm seb tuab npaum li cas koj xav kom xeb ua.
Kauj Ruam 4. Cia daim hlau qhuav
Tsis zoo li cov tshuaj dawb thiab kua txiv hmab txiv ntoo, koj yuav tsum tso cai rau cov hlau kom qhuav. Yog tias koj so cov ntsev thaum cov tshuaj peroxide tseem ntub, qhov no yuav cuam tshuam nrog cov txheej txheem xeb thiab ua rau pom. Thaum qhuav, txhuam cov ntsev thiab qhuas koj cov tes haujlwm.
Kauj Ruam 5. Sim nrog txoj kev no
Txawm hais tias koj nyuam qhuav nyeem txog qhov pib ntawm kev siv peroxide thiab ntsev rau xeb hlau, tsis muaj kev txwv rau qhov koj tuaj yeem siv cov txheej txheem no li cas. Txhuam ntsev thiab tom qab ntawd tshuaj tsuag cov tshuaj peroxide rau ntawm daim hlau. Sim nchuav cov ntsev sib txawv los yog muab koj cov hlau tso rau hauv dej sai li sai tau. Cov dej yuav ua rau xeb yooj yim dua.