Barium ke eng, ts'ebeliso ea eona ke eng, le mokhoa oa ho hlahloba karolo ea barium?

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Lefatšeng la boselamose la k'hemistri,bariumesale e hohela tlhokomelo ea bo-ramahlale ka botle ba eona bo ikhethang le ts'ebeliso e pharaletseng. Le hoja tšepe ena e bosoeu bo bosoeu e sa bebe joaloka khauta kapa silevera, e phetha karolo ea bohlokoa haholo mafapheng a mangata. Ho tloha ho lisebelisoa tse nepahetseng lilaboratori tsa lipatlisiso tsa saense ho ea ho lisebelisoa tse ka sehloohong tsa tlhahiso ea indasteri ho ea ho li-reagents tsa ho hlahloba lefapheng la bongaka, barium e ngotse tšōmo ea k'hemistri e nang le thepa le mesebetsi e ikhethang.

Khale koana ka 1602, Cassio Lauro, moetsi oa lieta motseng oa Italy oa Porra, o ile a halika barite e nang le barium sulfate ka ntho e tukang ha ho etsoa teko ’me a makala ha a fumana hore e ka khanya lefifing. Ho sibolloa hona ho ile ha tsosa thahasello e kholo har’a litsebi ka nako eo, ’me lejoe leo le ile la bitsoa Lejoe la Porra ’me la fetoha sepheo sa lipatlisiso tsa litsebi tsa k’hemistri tsa Europe.

Leha ho le joalo, e ne e le setsebi sa k'hemistri sa Sweden Scheele ea ileng a tiisa hore barium e ne e le ntho e ncha. O ile a sibolla barium oxide ka 1774 mme a e bitsa "Baryta" (lefatše le boima). O ile a ithuta ntho ena ka botebo 'me a lumela hore e entsoe ka lefatše le lecha (oxide) le kopantsoeng le sulfuric acid. Lilemo tse peli hamorao, o ile a atleha ho futhumatsa nitrate ea mobu ona o mocha 'me a fumana oxide e hloekileng.Leha ho le joalo, le hoja Scheele a ile a fumana oxide ea barium, ho fihlela ka 1808 setsebi sa k'hemistri sa Brithani Davy se atlehile ho hlahisa metallic barium ka electrolyzing electrolyte e entsoeng ka barite. Ho sibolloa hona ho ile ha tšoaea tiiso ea molao ea barium e le ntho ea tšepe, hape e ile ea bula leeto la ho sebelisoa ha barium libakeng tse sa tšoaneng.

Ho tloha ka nako eo, batho ba 'nile ba tebisa kutloisiso ea bona ea barium. Bo-rasaense ba hlahlobile liphiri tsa tlhaho 'me ba khothalletsa tsoelo-pele ea saense le theknoloji ka ho ithuta thepa le boitšoaro ba barium. Tšebeliso ea barium liphuputsong tsa saense, indastering le litabeng tsa bongaka le eona e se e pharalletse le ho feta, e tlisa boiketlo le boiketlo bophelong ba batho.

Khahleho ea barium ha e felle feela ka ts'ebetsong ea eona, empa hape le sephiring sa saense ka mor'a eona. Bo-rasaense ba tsoela pele ho hlahloba liphiri tsa tlhaho le ho khothalletsa tsoelo-pele ea saense le theknoloji ka ho ithuta thepa le boitšoaro ba barium. Ka nako e ts'oanang, barium e boetse e bapala karolo e khutsitseng bophelong ba rona ba letsatsi le letsatsi, e tlisa boiketlo le matšeliso bophelong ba rona. Ha re qaleng leetong lena la boselamose la ho hlahloba barium, re senole lesira la eona le makatsang, 'me re ananele botle ba eona bo ikhethang. Sehlogong se se latelago, re tla tsebiša ka mo go tseneletšego matlotlo le tirišo ya barium, gotee le karolo ya yona ya bohlokwa dinyakišišong tša thutamahlale, intaseteri le tša kalafo. Ke lumela hore ka ho bala sehlooho sena, u tla ba le kutloisiso e tebileng ea barium.

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1. Kopo ea Barium

Bariumke ntho e tloaelehileng ea lik'hemik'hale. Ke tšepe e bosoeu bo bosoeu bo teng ka tlhaho ka mokhoa oa mefuta e fapaneng ea liminerale. Lintlha tse latelang ke tse ling tsa tšebeliso ea letsatsi le letsatsi ea barium.

Ho chesa le ho benya: Barium ke tšepe e sebetsang haholo e hlahisang lelakabe le khanyang ha e kopana le ammonia kapa oksijene. Sena se etsa hore barium e sebelisoe haholo liindastering tse kang li-fireworks, li-flare le tlhahiso ea phosphor.

Indasteri ea bongaka: Metsoako ea Barium e boetse e sebelisoa haholo indastering ea bongaka. Lijo tsa barium (tse kang matlapa a barium) li sebelisoa tlhahlobong ea x-ray ea mala ho thusa lingaka ho hlokomela ho sebetsa ha tsamaiso ea tšilo ea lijo. Metsoako ea Barium e boetse e sebelisoa liphekolong tse itseng tsa radioactive, tse kang radioactive iodine bakeng sa ho phekola lefu la qoqotho.
Khalase le lirafshoa: Metsoako ea Barium e atisa ho sebelisoa ha ho etsoa likhalase le tsa ceramic ka lebaka la sebaka se setle sa ho qhibiliha le ho hanyetsa ho bola. Lik'hemik'hale tsa barium li ka matlafatsa ho thatafala le matla a lirafshoa 'me li ka fana ka thepa e khethehileng ea lirafshoa, tse kang ho kenya motlakase le index e phahameng ea refractive. Lisebelisoa tsa tšepe: Barium e ka etsa li-alloys ka likarolo tse ling tsa tšepe, 'me li-alloys tsena li na le thepa e ikhethang. Ka mohlala, li-alloys tsa barium li ka eketsa ntlha ea ho qhibiliha ha aluminium le li-alloys tsa magnesium, ho etsa hore ho be bonolo ho li sebetsa le ho lahlela. Ntle le moo, li-alloys tsa barium tse nang le thepa ea makenete li boetse li sebelisoa ho etsa lipoleiti tsa betri le lisebelisoa tsa makenete.

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Barium ke ntho ea lik'hemik'hale e nang le letšoao la lik'hemik'hale Ba le nomoro ea athomo ea 56. Barium ke tšepe ea alkaline ea lefats'e 'me e fumaneha ho Sehlopha sa 6 sa tafole ea periodic, lihlopha tse kholo tsa sehlopha.
2. Barium Thepa ea 'Mele
Barium (Ba) ke karolo ea tšepe ea lefatše ea alkaline
1. Ponahalo: Barium ke tšepe e bonolo, e bosoeu ea silevera e nang le khanya e ikhethang ea tšepe ha e sehoa.
2. Boima ba 'mele: Barium e na le boima bo batlang bo phahame ba hoo e ka bang 3.5 g/cm³. Ke e 'ngoe ea litšepe tse teteaneng lefatšeng.
3. Libaka tse qhibidihang le tse belang: Barium e na le ntlha e qhibidihang e ka bang 727°C le ntlha e belang e ka bang 1897°C.
4. Ho thatafala: Barium ke tšepe e batlang e le bonolo e nang le bothata ba Mohs bo ka bang 1.25 ho likhato tse 20 tsa Celsius.
5. Conductivity: Barium ke motlakase o motle oa motlakase o nang le motlakase o phahameng oa motlakase.
6. Ductility: Le hoja barium e le tšepe e bonolo, e na le tekanyo e itseng ea ho ductility 'me e ka etsoa maqephe a masesaane kapa lithapo.
7. Ts'ebetso ea lik'hemik'hale: Barium ha e sebetse ka matla ka bongata ba li-non-metal le litšepe tse ngata mocheso oa kamore, empa e etsa li-oxide ka mocheso o phahameng le moeeng. E ka etsa metsoako e nang le likarolo tse ngata tseo e seng tsa tšepe, joalo ka oxides, sulfide, joalo-joalo.
8. Mefuta ea ho ba teng: Liminerale tse nang le barium karolong e ka holimo ea lefatše, tse kang barite (barium sulfate), joalo-joalo Barium e ka boela ea e-ba teng ka mokhoa oa hydrates, oxides, carbonates, joalo-joalo.
9. Radioactivity: Barium e na le mefuta e fapaneng ea li-isotopi tse nang le mahlaseli a kotsi, tseo har'a tsona barium-133 e leng isotope e tloaelehileng ea radioactive e sebelisoang litšoantšong tsa bongaka le likopo tsa meriana ea nyutlelie.
10. Likopo: Lik'hemik'hale tsa Barium li sebelisoa haholo indastering, tse kang khalase, rabara, lik'hemik'hale tsa indasteri ea lik'hemik'hale, li-electron tubes, joalo-joalo. Barium ke ntho ea bohlokoa ea tšepe eo thepa ea eona e etsang hore e sebelisoe haholo libakeng tse ngata.

 

3. Lintho tsa lik'hemik'hale tsa barium
Metallic properties: Barium ke tšepe e tiileng e nang le ponahalo ea silevera-white le motlakase o motle.

Tekanyo le ntlha e qhibidihang: Barium ke ntho e batlang e teteane e nang le boima ba 3.51 g/cm3. Barium e na le sebaka se tlase sa ho qhibiliha se ka bang likhato tse 727 tsa Celsius (1341 degrees Fahrenheit).

Reactivity: Barium e sebetsa ka potlako ka likarolo tse ngata tseo e seng tsa tšepe, haholo-holo ka li-halogens (tse kang chlorine le bromine), ho hlahisa metsoako ea barium e lumellanang. Mohlala, barium e kopana le chlorine ho hlahisa barium chloride.
Oxidizability: Barium e ka tšeloa oxidized ho etsa barium oxide. Barium oxide e sebelisoa haholo liindastering tse kang ho qhibilihisa tšepe le ho etsa likhalase.
Mosebetsi o phahameng: Barium e na le ts'ebetso e phahameng ea lik'hemik'hale 'me e arabela habonolo ka metsi ho lokolla hydrogen le ho hlahisa barium hydroxide.

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4. Lintho tsa tlhaho tsa barium

Karolo le likokoana-hloko tsa barium linthong tse phelang ha li utloisisoe ka botlalo, empa hoa tsebahala hore barium e na le chefo e itseng ho lintho tse phelang.

Litsela tsa ho noa: Batho ba ja barium haholo ka lijo le metsi a nooang. Lijo tse ling li ka 'na tsa e-na le li-barium tse ngata, tse kang lijo-thollo, nama le lihlahisoa tsa lebese. Ho phaella moo, ka linako tse ling metsi a ka tlas'a lefatše a na le likhahla tse phahameng tsa barium.
Ho monya ha lintho tsa tlhaho le metabolism: Barium e ka monngoa ke lintho tse phelang 'me ea ajoa 'meleng ka ho potoloha ha mali. Barium haholo-holo e bokella liphio le masapo, haholo-holo libakeng tse phahameng tsa masapo.
Mosebetsi oa likokoana-hloko: Barium ha e e-s'o fumanoe e na le mesebetsi leha e le efe ea bohlokoa ea 'mele linthong tse phelang. Ka hona, ts'ebetso ea likokoana-hloko ea barium e ntse e ngangisana.

 

5. Lintho tsa tlhaho tsa barium
Chefo: Li-ion tsa barium kapa metsoako ea barium li na le chefo 'meleng oa motho. Ho noa haholo ha barium ho ka baka matšoao a chefo e matla, ho kopanyelletsa le ho hlatsa, letšollo, ho fokola ha mesifa, arrhythmia, joalo-joalo. Chefo e matla e ka baka tšenyo ea tsamaiso ea methapo, ho senyeha ha liphio le mathata a pelo.
Ho bokellana ha masapo: Barium e ka bokella masapo 'meleng oa motho, haholo-holo ho batho ba tsofetseng. Ho pepeseha ha nako e telele libakeng tse phahameng tsa barium ho ka baka mafu a masapo a kang osteoporosis.Liphello tsa pelo: Barium, joaloka sodium, e ka kena-kenana le ho leka-lekana ha ion le ts'ebetso ea motlakase, e amang mosebetsi oa pelo. Ho noa haholo ha barium ho ka baka morethetho o sa tloaelehang oa pelo le ho eketsa kotsi ea tlhaselo ea pelo.
Carcinogenicity: Le hoja ho ntse ho e-na le phehisano mabapi le kankere ea barium, liphuputso tse ling li bontšitse hore ho pepesehela nako e telele libakeng tse phahameng tsa barium ho ka eketsa kotsi ea lik'hemik'hale tse itseng, tse kang kankere ea mala le kankere ea 'metso. Ka lebaka la chefo le kotsi e ka bang teng ea barium, batho ba lokela ho ba hlokolosi ho qoba ho noa haholo kapa ho pepesehela nako e telele ho barium e ngata. Likhakanyo tsa Barium metsing a nooang le lijong li lokela ho hlahlojoa le ho laoloa ho sireletsa bophelo ba batho. Haeba u belaela hore u na le chefo kapa u na le matšoao a amanang le eona, ka kopo, batla thuso ea bongaka hang-hang.

 

6. Barium ka Tlhaho

Liminerale tsa Barium: Barium e ka fumanoa karolong e ka holimo ea lefatše ka mokhoa oa liminerale. Liminerale tse ling tse tloaelehileng tsa barium li kenyelletsa barite le witherite. Hangata ore ena e fumanoa le liminerale tse ling, tse kang loto, zinki le silevera.

E qhibilihisoa metsing a ka tlas'a lefatše le mafikeng: Barium e ka fumanoa metsing a ka tlas'a lefatše le mafika sebakeng se qhibilihileng. Metsi a ka tlas'a lefatše a na le palo e fokolang ea barium e qhibilihisitsoeng, 'me mahloriso a eona a itšetlehile ka maemo a jeoloji le lik'hemik'hale tsa' mele oa metsi.

Matsoai a Barium: Barium e ka etsa matsoai a sa tšoaneng, a kang barium chloride, barium nitrate, le barium carbonate. Metsoako ena e ka fumanoa tlhahong e le liminerale tsa tlhaho.

Likahare mobung: Barium e ka fumanoa mobung ka mefuta e fapaneng, e meng ea eona e tsoa likarolong tsa tlhaho tsa liminerale kapa ho qhibiliha ha majoe. Barium e atisa ho ba teng mobung o fokolang, empa e ka 'na ea e-ba teng libakeng tse ling tse ngata.

Hoa lokela ho hlokomeloa hore boteng le litaba tsa barium li ka 'na tsa fapana libakeng tse sa tšoaneng tsa jeoloji le libaka, kahoo maemo a itseng a sebaka le a geological a lokela ho nkoa ha ho buuoa ka barium.

 

7. Merafo le tlhahiso ea Barium
Ts'ebetso ea merafo le ho lokisa ea barium hangata e kenyelletsa mehato e latelang:
1. Merafo ea ore ea barium: Merafo e ka sehloohong ea barium ore ke barite, e tsejoang hape e le barium sulfate. Hangata e fumaneha karolong e ka holimo ea lefatše 'me e ajoa haholo mafikeng le li-deposit lefatšeng. Hangata merafo e kenyelletsa ho qhomisoa, ho rafa, ho pshatla le ho hlophisa ore ho fumana ore e nang le barium sulfate.
2. Tokisetso ea ho tsepamisa mohopolo: Ho ntša barium ho tloha ore ea barium ho hloka phekolo e tebileng ea ore. Tokisetso ea ho tsepamisa mohopolo hangata e kenyelletsa khetho ea matsoho le mehato ea ho phaphamala ho tlosa litšila le ho fumana ore e nang le ho feta 96% barium sulfate.
3. Ho itokisa ha barium sulfate: Ho tsepamisa mohopolo ho tlas'a mehato e kang ho tlosoa ha tšepe le silicon ho qetella ho fumana barium sulfate (BaSO4).
4. Ho lokisetsa barium sulfide: E le hore u lokisetse barium ho tloha barium sulfate, ho hlokahala hore u fetole barium sulfate ka barium sulfide, e tsejoang hape e le molora o motšo. Barium sulfate ore powder e nang le karoloana ea boholo bo ka tlaase ho 20 mesh hangata e kopantsoe le mashala kapa petroleum coke powder ka tekanyo ea boima ba 4: 1. Motsoako o besitsoe ka 1100 ℃ ka seboping sa reverberatory, 'me barium sulfate e fokotsoa ho barium sulfide.
5. Ho qhaqha barium sulfide: Tharollo ea Barium sulfide ea barium sulfate e ka fumanoa ka ho ntša metsi a chesang.
6. Ho itokisa ha barium oxide: E le ho fetola barium sulfide hore e be barium oxide, hangata sodium carbonate kapa carbon dioxide e kenngoa ho tharollo ea barium sulfide. Kamora ho kopanya barium carbonate le carbon powder, calcination ka holimo ho 800 ℃ e ka hlahisa barium oxide.
7. Ho pholisa le ho sebetsa: Ho lokela ho hlokomeloa hore barium oxide e na le oxidize ho etsa barium peroxide ho 500-700 ℃, le barium peroxide e ka bola ho etsa barium oxide ho 700-800 ℃. E le ho qoba tlhahiso ea peroxide ea barium, sehlahisoa sa calcined se hloka ho pholile kapa ho tima tlas'a tšireletso ea khase ea inert.

Ka holimo ke mokhoa o akaretsang oa merafo le mokhoa oa ho lokisetsa barium. Ts'ebetso tsena li ka fapana ho latela ts'ebetso ea indasteri le lisebelisoa, empa molao-motheo oa kakaretso o ntse o tšoana. Barium ke tšepe ea bohlokoa ea indasteri e sebelisoang lits'ebetsong tse fapaneng, ho kenyelletsa indasteri ea lik'hemik'hale, meriana, lisebelisoa tsa elektroniki, joalo-joalo.

 

8. Mekhoa e tloaelehileng ea ho lemoha bakeng sa barium
Barium ke ntho e tloaelehileng e sebelisoang hangata lits'ebetsong tse fapaneng tsa indasteri le tsa mahlale. Ka k'hemistri ea tlhahlobo, mekhoa ea ho lemoha barium hangata e kenyelletsa tlhahlobo ea boleng le tlhahlobo ea bongata. Lintlha tse latelang ke kenyelletso e qaqileng ea mekhoa e tloaelehileng ea ho lemoha bakeng sa barium:
1. Flame Atomic Absorption Spectrometry (FAAS): Ena ke mokhoa o atisang ho sebelisoa oa tlhahlobo ea palo e loketseng lisampole tse nang le likhakanyo tse phahameng. Tharollo ea mohlala e fafatsoa ka lelakabe, 'me liathomo tsa barium li monya khanya ea bolelele bo itseng. Matla a khanya e monyelitsoeng a lekanngoa 'me a lekana le ho kopana ha barium.
2. Flame Atomic Emission Spectrometry (FAES): Mokhoa ona o lemoha barium ka ho fafatsa tharollo ea sampole ka har'a lelakabe, ho thabisa liathomo tsa barium ho ntša khanya ea bolelele bo itseng ba maqhubu. Ha ho bapisoa le FAAS, FAES e atisa ho sebelisoa ho bona maemo a tlaase a barium.
3. Atomic Fluorescence Spectrometry (AAS): Mokhoa ona o tšoana le FAAS, empa o sebelisa spectrometer ea fluorescence ho lemoha boteng ba barium. E ka sebelisoa ho lekanya palo ea trace ea barium.

4. Ion Chromatography: Mokhoa ona o loketse ho hlahlojoa ha barium ka mehlala ea metsi. Li-ion tsa barium li arotsoe 'me li fumanoa ka chromatograph ea ion. E ka sebelisoa ho lekanya mahloriso a barium ka lisampole tsa metsi.

5. X-ray Fluorescence Spectrometry (XRF): Ena ke mokhoa o sa senyeheng oa ho hlahloba o loketseng ho fumanoa ha barium ka mehlala e tiileng. Ka mor'a hore sampuli e hlahisoe ke X-rays, liathomo tsa barium li ntša fluorescence e khethehileng, 'me litaba tsa barium li khethoa ka ho lekanya matla a fluorescence.

6. Mass Spectrometry: Mass spectrometry e ka sebelisoa ho fumana sebopeho sa isotopic sa barium le ho fumana hore na barium e na le bokae. Mokhoa ona o atisa ho sebelisoa bakeng sa tlhahlobo e phahameng ea kutloisiso 'me e ka lemoha likhahla tse tlaase haholo tsa barium.

Tse ka holimo ke tse ling tsa mekhoa e sebelisoang hangata bakeng sa ho lemoha barium. Mokhoa o ikhethileng oa ho khetha o ipapisitse le mofuta oa sampole, sebaka sa mahloriso sa barium, le sepheo sa tlhahlobo. Haeba u hloka lintlha tse ling kapa u na le lipotso tse ling, ka kopo ikutloe u lokolohile ho ntsebisa. Mekhoa ena e sebelisoa haholo lits'ebetsong tsa laboratori le tsa indasteri ho lekanya ka nepo le ka ts'epo le ho lemoha boteng le mahloriso a barium. Mokhoa o ikhethileng oa ho sebelisa o ipapisitse le mofuta oa sampole e lokelang ho lekanngoa, bongata ba litaba tsa barium, le sepheo se ikhethileng sa tlhahlobo.

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9. Mokhoa oa ho monya atomic bakeng sa tekanyo ea khalsiamo

Tekanyong ea elemente, mokhoa oa ho monya athomo o na le ho nepahala le kutloisiso e phahameng, 'me o fana ka mokhoa o sebetsang oa ho ithuta thepa ea lik'hemik'hale, motsoako oa motsoako le likahare.E latelang, re sebelisa mokhoa oa ho monya athomo ho lekanya litaba tsa likarolo. Mehato e tobileng ke e latelang: Lokisetsa sampole e tla hlahlojoa. Lokisetsa sampole ea elemente hore e lekanngoe ho ba tharollo, eo ka kakaretso e hlokang ho chekoa ka asiti e tsoakiloeng bakeng sa tekanyo e latelang. Khetha spectrometer e loketseng ea ho monya athomo. Ho ea ka thepa ea sampole e lokelang ho lekoa le mefuta e mengata ea litaba tse lokelang ho lekanyetsoa, ​​khetha spectrometer e loketseng ea ho monya athomo.
Fetola liparamente tsa spectrometer ea ho monya athomo. Ho latela elemente e lokelang ho lekoa le mofuta oa sesebelisoa, lokisa liparamente tsa spectrometer ea atomic absorption, ho kenyeletsoa mohloli oa leseli, atomizer, detector, jj.
Lekanya ho monya ha element. Beha sampole e tla lekoa ka har'a atomizer, 'me u ntše mahlaseli a khanya a bolelele bo itseng ba maqhubu ka mohloli oa khanya. The element e tla lekoa e tla monya mahlaseli ana a khanya ebe e hlahisa phetoho ea boemo ba matla. Lekanya ho monya ha elemente ea silevera ka detector. Bala diteng tsa elemente. Likahare tsa element li baloa ho ipapisitsoe le ho monya le sekhahla se tloaelehileng. Tse latelang ke li-parameter tse khethehileng tse sebelisoang ke seletsa ho metha likarolo.

Maemo: bohloeki bo phahameng BaCO3 kapa BaCl2 · 2H2O.
Mokhoa: Ka nepo lekanya boima ba 0.1778g BaCl2 · 2H2O, qhala ka metsi a seng makae, 'me ka nepo u etse 100mL. Motsoako oa Ba ka tharollo ena ke 1000μg/mL. Boloka ka botlolong ea polyethylene hole le khanya.
Mofuta oa lelakabe: moea-acetylene, lelakabe le ruileng.
Mekhahlelo ea ho hlahloba: Wavelength (nm) 553.6
Spectral bandwidth (nm) 0.2
Filter coefficient 0.3
Matla a mabone a khothaletsoang (mA) 5
Matla a phahameng a fosahetseng (v) 393.00
Bophahamo ba hlooho ea mollo (mm) 10
Nako ea ho kopanya (S) 3
Khatello ea moea le phallo (MPa, mL/min) 0.24
Khatello ea Acetylene le phallo (MPa, mL/min) 0.05, 2200
Linear range (μg/mL) 3~400
Linear coefficient 0.9967
Khatiso ea sebopeho (μg/mL) 7.333
Moeli oa ho lemoha (μg/mL) 1.0RSD(%) 0.27
Mokhoa oa ho bala Mokhoa o tsoelang pele
Tharollo acidity 0.5% HNO3

Foromo ea teko:

NO Ntho ya ho lekanya Mohlala No. Abs ho tsepamisa maikutlo SD
1 Mehlala e tloaelehileng Ba1 0.000 0.000 0.0002
2 Mehlala e tloaelehileng Ba2 0.030 50.000 0.0007
3 Mehlala e tloaelehileng Ba3 0.064 100.000 0.0004
4 Mehlala e tloaelehileng Ba4 0.121 200.000 0.0016
5 Mehlala e tloaelehileng Ba5 0.176 300.000 0.0011
6 Mehlala e tloaelehileng Ba6 0.240 400.000 0.0012

Calibration Curve:

Mofuta oa lelakabe: nitrous oxide-acetylene, lelakabe le ruileng
.Mekhahlelo ea ho hlahloba: Wavelength: 553.6
Spectral bandwidth (nm) 0.2
Sefa coefficient 0.6
Lebone la lebone le khothalelitsoeng (mA) 6.0
Matla a phahameng a fosahetseng (v) 374.5
Bophahamo ba hlooho e tukang (mm) 13
Nako ea ho kopanya (S) 3
Khatello ea moea le phallo (MP, mL/min) 0.25, 5100
Khatello ea nitrous oxide le phallo (MP, mL/min) 0.1, 5300
Khatello ea Acetylene le phallo (MP, mL/min) 0.1, 4600
Linear coefficient 0.9998
Khatiso ea sebopeho (μg/mL) 0.379
Mokhoa oa ho bala Mokhoa o tsoelang pele
Tharollo acidity 0.5% HNO3

Foromo ea teko:

NO Ntho ya ho lekanya Mohlala No. Abs ho tsepamisa maikutlo SD RSD[%]
1 Mehlala e tloaelehileng Ba1 0.005 0.0000 0.0030 64.8409
2 Mehlala e tloaelehileng Ba2 0.131 10.0000 0.0012 0.8817
3 Mehlala e tloaelehileng Ba3 0.251 20.0000 0.0061 2.4406
4 Mehlala e tloaelehileng Ba4 0.366 30.0000 0.0022 0.5922
5 Mehlala e tloaelehileng Ba5 0.480 40.0000 0.0139 2.9017

Calibration Curve:

Tšitiso: Barium e kena-kenana haholo ke phosphate, silicon le aluminium lelakabe la air-acetylene, empa litšitiso tsena li ka hlōloa ka lelakabe la nitrous oxide-acetylene. 80% ea Ba e ionized ka lelakabe la nitrous oxide-acetylene, kahoo 2000μg/mL ea K+ e lokela ho ekeletsoa ho mekhoa e tloaelehileng le ea mohlala ho hatella ionization le ho ntlafatsa kutloisiso. karolo bophelong ba rona ka khutso. Ho tloha lisebelisoa tse nepahetseng lilaboratori tsa lipatlisiso tsa saense ho ea ho lihlahisoa tsa lihlahisoa tsa indasteri, ho ea ho li-reagents tsa ho hlahloba lefapheng la bongaka, barium e fane ka tšehetso ea bohlokoa bakeng sa masimo a mangata a nang le thepa ea eona e ikhethang.
Leha ho le joalo, feela joalokaha chelete ea tšepe e na le mahlakore a mabeli, metsoako e meng ea barium le eona e chefo. Ka hona, ha re sebelisa barium, re tlameha ho lula re falimehile ho etsa bonnete ba tšebeliso e sireletsehileng le ho qoba kotsi e sa hlokahaleng tikolohong le 'meleng oa motho.
Ha re hetla morao leetong la ho hlahloba barium, re sitoa ho ithiba empa re feheloa ke sephiri le botle ba eona. Hase feela ntho ea lipatlisiso ea bo-rasaense, empa hape ke mothusi ea matla oa baenjiniere, le sebaka se khanyang lefapheng la meriana. Ha re sheba nakong e tlang, re lebeletse hore barium e tsoele pele ho tlisa lintho tse ling tse makatsang le tse atlehileng ho batho, le ho thusa tsoelo-pele e tsoelang pele ea saense le theknoloji le sechaba. barium ka mantsoe a matle, empa ke lumela hore ka kenyelletso e felletseng ea thepa ea eona, lits'ebetso le polokeho, babali ba na le kutloisiso e tebileng ea barium. A re lebelleng ts'ebetso e babatsehang ea barium nakong e tlang 'me re kenye letsoho ho feta tsoelo-pele le nts'etsopele ea moloko oa batho.

Bakeng sa tlhaiso-leseling e batsi kapa ho botsa bohloeki bo phahameng ba 99.9% barium metal, rea u amohela ho ikopanya le rona ka tlase:

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Nako ea poso: Nov-15-2024