Nws yog ib qho tseem ceeb kom pov tseg cov kua qaub uas muaj pH tsawg heev (<2) kom nyab xeeb. Yog tias cov kua qaub tsis muaj cov hlau hnyav lossis lwm yam tshuaj lom tau yaj hauv nws, nruab nrab cov pH mus rau qib qis acidic (pH 6.6-7.4) tso cai rau koj pov tseg cov tshuaj hauv cov txheej txheem dej phwj tuaj. Yog tias muaj cov hlau hnyav, qhov kev daws teeb meem yuav tsum raug kho raws li kev phom sij txaus ntshai thiab muab pov tseg los ntawm cov khoom tsim nyog.
Cov kauj ruam
Txoj Kev 1 ntawm 3: Ua Haujlwm Nyab Xeeb
Kauj Ruam 1. Nyeem Daim Ntawv Pov Thawj Tshuaj Nyab Xeeb Hauv Ntiaj Teb (ICI) rau cov kua qaub
ICI qhia koj txhua yam ntaub ntawv tseem ceeb txog kev nyab xeeb txog kev tuav thiab khaws cia rau tshuaj lom neeg. Koj tuaj yeem tshawb nrhiav lub npe tseeb ntawm koj cov kua qaub hauv cov database online thiab tau txais txhua yam ntaub ntawv ntsig txog.
Kauj Ruam 2. Hnav cov khoom tiv thaiv kom raug (PPE)
Thaum tuav cov kua qaub lossis lwm yam tshuaj muaj zog, hnav tsom iav, hnab looj tes, thiab lub tsho tiv no lab yog qhov tseem ceeb heev. Cov iav tsom iav yuav tsum tau siv raws li lawv tiv thaiv ob sab ntawm lub qhov muag ib yam. Cov hnab looj tes thiab lub tsho tiv no kuj yuav tiv thaiv koj cov tawv nqaij thiab khaub ncaws.
- Hnab looj tes yuav tsum ua los ntawm yas lossis yas.
- Rub rov qab cov plaub hau ntev kom tsis txhob muaj kev sib cuag nrog cov kua qaub.
Kauj Ruam 3. Ua haujlwm nyob rau thaj chaw uas muaj cua nkag tau zoo lossis cov pa tshuaj lom
Cov pa tawm los ntawm cov kua qaub yog tshuaj lom. Siv lub fume hood thaum twg los tau los txwv qhov kis. Yog tias koj tsis muaj kev nkag tau mus rau lub fume hood, qhib tag nrho koj lub qhov rais thiab tso cua tawm thaj tsam nrog kiv cua.
Kauj Ruam 4. Nrhiav qhov chaw ze tshaj plaws ntawm cov dej ntws
Yog tias cov kua qaub nkag rau ntawm koj cov tawv nqaij lossis hauv koj lub qhov muag, koj yuav tsum yaug lawv nrog dej ntws tsawg kawg 15 feeb. Tom qab ntxuav tas, tam sim nrhiav kev kho mob.
- Rau qhov muag tawg, ua rau koj lub qhov muag qhib txav koj lub qhov muag nce, nqis, thiab ib sab mus rau sab kom yaug lawv kom raug.
- Rau cov tawv nqaij txaws, raus thaj tsam ntawm daim tawv nqaij hauv qab dej kom puv 15 feeb.
Txoj Kev 2 ntawm 3: Tso Cov Tshuaj Acid Hauv Tsev
Kauj Ruam 1. Tau txais ib lub taub ntim uas yuav tsis ua kom puas thaum cov kua qaub tau ntxiv rau nws
Cov kua qaub feem ntau yuav ua rau iav thiab hlau tsis zoo, tab sis yuav tsis cuam tshuam nrog cov yas. Muaj ntau ntau yam sib txawv ntawm cov yas yog li ua kom ntseeg tau tias koj tau txais lub ntim raug rau koj cov kua qaub. Cov kua qaub yuav tsum tau muab khaws cia rau hauv lub thawv zoo li no, tab sis koj yuav xav tau lub thawv thib ob txhawm rau txhawm rau txhawm rau thiab ua kom cov kua qaub qis.
- Nco ntsoov tias lub ntim tuaj yeem tuav tsawg kawg ob zaug ntim cov tshuaj raws li cov kua qaub uas koj muaj. Qhov no tso cai rau koj muaj chaw txaus rau diluting thiab neutralizing acid.
- Saib xyuas kom tsis txhob nchuav cov kua qaub yog tias koj yuav tsum hloov nws mus rau hauv lub thawv loj dua.
Kauj Ruam 2. Muab lub khob ntim rau hauv lub thoob dej khov
Thaum diluting thiab neutralizing cov kua qaub uas muaj zog, tso cua sov ntau. Txhawm rau txwv qhov muaj peev xwm kub hnyiab lossis ua kom lub thawv ntim tau, tso koj lub thawv ntim rau hauv lub thoob dej khov.
Kauj Ruam 3. Ua kom cov kua qaub nrog dej
Yog tias koj muaj cov kua qaub ntau, koj yuav xav dilute nws ua ntej nrog dej. Cov kauj ruam no tuaj yeem txaus ntshai yog li ua raws txhua cov lus qhia ua tib zoo. Siv dej txias los tiv thaiv cov tshuaj kom tsis txhob kub thiab ua rau txaws. Ntxiv dej mus rau lub khob khoob. Maj mam, ntxiv cov kua qaub rau hauv dej ua tib zoo saib xyuas qhov kub ntawm lub khob zoo li koj ua.
- Tus nqi dej xav tau los daws cov kua qaub yog nyob ntawm seb koj qhov kev daws teeb meem yog li cas. Qhov ntau mloog zoo, koj xav tau dej ntau dua. Koj tuaj yeem suav qhov nyiaj tau los tseeb los ntawm ua raws cov kauj ruam hauv yuav ua li cas dilute acid.
- Tsis txhob ntxiv dej ncaj qha mus rau cov kua qaub, qhov no tuaj yeem ua rau dej sai sai thiab txaws cov kua qaub.
- Saib xyuas kom tsis txhob nchuav ib qho ntawm cov kua qaub thaum koj dilute nws.
Kauj Ruam 4. Ntsuas pH ntawm cov kua qaub nrog ntawv pH lossis ntawv litmus
Cov kab ntawv pH tuaj yeem tau txais los ntawm phau ntawv qhia khoom noj khoom haus lossis khw muag khoom pas dej. Txhawm rau txiav txim siab qhov kev daws teeb meem ntau npaum li cas koj yuav xav tau, koj yuav tsum paub pH ntawm cov kua qaub uas koj tab tom sim ua kom nruab nrab.
- Dip qhov kawg ntawm kab txaij pH rau hauv cov tshuaj. Cov hlua yuav hloov xim raws li pH.
- Tshem tawm cov kab txaij thiab sib piv cov xim rau daim ntawv qhia pH uas muab nrog cov kab txaij. Cov xim uas phim cov kab txaij yog pH ntawm koj cov tshuaj.
- Qhov qis pH ntawm cov kua qaub, ntau qhov kev daws teeb meem koj yuav xav tau.
Kauj Ruam 5. Ua kom muaj kev daws teeb meem nruab nrab
Cov kev daws teeb meem xws li sodium hydroxide lossis magnesium hydroxide yog qhov yooj yim thiab tuaj yeem ntxiv rau cov kua qaub kom ua rau nruab nrab lawv. Sodium hydroxide kuj tseem hu ua lye, thaum magnesium hydroxide yog cov khoom tseem ceeb hauv mis nyuj ntawm magnesia. Ob qho tshuaj tuaj yeem yuav tom khw.
- Ua raws cov lus qhia ntawm lub ntim ntawm lye kom ua rau koj cov tshuaj sodium hydroxide.
- Mis nyuj haus ntawm magnesia tsis tas yuav hloov pauv thiab tuaj yeem siv ncaj qha los ua kom cov kua qaub nyob hauv.
Kauj Ruam 6. Tshem tawm cov kua qaub
Cov kev daws teeb meem yooj yim cuam tshuam nrog kev daws teeb meem acidic kom tshem tawm cov kua qaub thiab tsim dej thiab ntsev. Maj mam ntxiv koj cov tshuaj yooj yim me ntsis ntawm ib lub sijhawm rau cov kua qaub. Maj mam do thaum koj ntxiv. Ua tib zoo saib qhov kub ntawm lub thawv thiab ceev faj kom tsis txhob txaws ib qho ntawm cov tshuaj.
Kauj Ruam 7. Kuaj pH ntau zaus
Ib ntus ntsuas cov pH nrog kab xev pH kom paub tseeb tias koj tsis txhob hla lub hom phiaj pH ntau ntawm 6.6-7.4. Txuas ntxiv maj mam ntxiv ntsev tov kom txog thaum koj mus txog qhov xav tau nruab nrab.
- Xwb, koj tuaj yeem siv qhov ntsuas qhia tau thoob ntiaj teb. Cov kua yuav hloov xim raws li pH. Ntxiv ntsev tov kom txog thaum qhov ntsuas hloov mus rau xim ib puag ncig ntawm pH 7.0.
- Yog tias koj mus dhau qhov nruab nrab nruab nrab, maj mam ntxiv cov kua qaub tov kom tau cov pH rov qab mus rau yam tsawg 7.4.
Kauj Ruam 8. Muab cov tshuaj tso rau hauv lub qhov dej
Kev daws teeb meem nruab nrab tuaj yeem ua kom muaj kev nyab xeeb tso rau hauv qhov dej thaum khiav dej txias. Txuas cov dej mus rau hauv lub qhov dej tom qab lub khob khoob tas li 30 feeb.
Txoj Kev 3 ntawm 3: Tso Cov Tshuaj Acid nrog Dhuav Cov Hlau hnyav
Kauj Ruam 1. Tau txais ib lub taub ntim uas yuav tsis ua kom puas thaum cov kua qaub tau ntxiv rau nws
Cov kua qaub feem ntau yuav ua rau iav thiab hlau tsis zoo, tab sis yuav tsis cuam tshuam nrog cov yas. Muaj ntau ntau yam sib txawv ntawm cov yas yog li ua kom ntseeg tau tias koj tau txais lub ntim raug rau koj cov kua qaub. Cov kua qaub yuav tsum tau muab khaws cia rau hauv lub thawv zoo li no, tab sis nco ntsoov tias nws tsis puv tag nrho los tiv thaiv kev nchuav.
Kauj Ruam 2. Txheeb xyuas seb muaj kab mob dab tsi nyob hauv koj cov kua qaub
Cov hlau hnyav xws li cadmium, zinc, tooj liab, mercury, thiab txhuas yog tshuaj lom thiab tsis tuaj yeem ntxiv rau hauv cov dej. Lwm yam tshuaj tsis haum uas muaj tshuaj lom thiab/lossis xeb kuj tsis tuaj yeem nqes mus.
Yog tias koj muaj cov thawv sib txawv ntawm cov kua qaub ib yam nrog cov sib xyaw sib xyaw yaj hauv nws, khaws cia rau hauv cov thawv cais vim lawv yuav tsum tau muab pov tseg cais
Kauj Ruam 3. Hu rau qhov chaw pov tseg cov khoom pov tseg uas nyob ze koj
Yog tias koj nyob hauv tsev kawm qib siab lossis ua haujlwm hauv chav kuaj mob, yuav muaj ib lub chaw haujlwm uas yuav pov tseg cov khoom pov tseg kom raug rau koj. Yog tias qhov no tsis yog qhov kev xaiv koj tuaj yeem tiv toj rau lub koom haum hauv cheeb tsam los pab koj nrog cov txheej txheem pov tseg.
Lus ceeb toom
- Yog tias siv mis ntau ntawm Magnesia ntau dhau, cov kua qaub hauv plab yuav dhau los ua qhov yooj yim.
- Yog tias koj sim dilute acid, nco ntsoov ntxiv cov kua qaub rau hauv dej thiab tsis dej rau cov kua qaub. Yog tias cov kua qaub nyob hauv qhov ntau txaus, nws yuav tso cua sov ntau yog tias koj ntxiv dej rau nws.
- Qee yam ntawm cov kua qaub tau xeb heev thiab yuav ua rau txhua yam tsis muaj zog uas nws tau ntsib nrog.
