Podcast
Questions and Answers
Gin ango ma en aye yub me tic pa spectrophotometry me UV-Vis?
Gin ango ma en aye yub me tic pa spectrophotometry me UV-Vis?
- Pimo yamo ma tye ka kwero ki i poto
- Pimo kit ma pi tye kwede i poto
- Nguri tekcwiny me dek ma atabo tero
- Nguri ikom kit ma jami acel acel tero kwede mac ma UV-Vis kelo (correct)
Gin ango lacen ma timere ka electron odong i excited state?
Gin ango lacen ma timere ka electron odong i excited state?
- En weko atabo
- En dok cen i *ground state* ki golo mac (correct)
- En medo gero me ot
- En golo mac ma i UV-Vis
Gin ango me tic pa monochromator i spectrophotometer me UV-Vis?
Gin ango me tic pa monochromator i spectrophotometer me UV-Vis?
- Golo mac ma pol kromatis (correct)
- Pwonyo atabo me medde
- Pimo gero me mac ma atabo tero
- Golo *electron* ma tye i atabo
Tic ango ma cuvette tye kwede i spectrophotometry me UV-Vis?
Tic ango ma cuvette tye kwede i spectrophotometry me UV-Vis?
Gin ango ma pe en aye tic me detector i spectrophotometer me UV-Vis?
Gin ango ma pe en aye tic me detector i spectrophotometer me UV-Vis?
Mwongo ango aye gin ma analysis me qualitative tye kwede i spectrophotometry me UV-Vis?
Mwongo ango aye gin ma analysis me qualitative tye kwede i spectrophotometry me UV-Vis?
Ento absorbance (A) pimme kwede i spectrophotometry?
Ento absorbance (A) pimme kwede i spectrophotometry?
Gin ango ma en timo ka compound kwero mac i wiye me lamda (λmax)?
Gin ango ma en timo ka compound kwero mac i wiye me lamda (λmax)?
Gin ango ma ot me kwaraca (quartz) tic kwede ka gitye ka tic ki cuvette?
Gin ango ma ot me kwaraca (quartz) tic kwede ka gitye ka tic ki cuvette?
Gin ango ma twero timme ka kiryemo lamp me duteri (deuterium) pi cawa ma bor?
Gin ango ma twero timme ka kiryemo lamp me duteri (deuterium) pi cawa ma bor?
Ka transmittance me sample tye 100%, gin ango ma man tyen lokke?
Ka transmittance me sample tye 100%, gin ango ma man tyen lokke?
Gin ango me tic pa lamp me mekur (mercury) i spectrophotometer?
Gin ango me tic pa lamp me mekur (mercury) i spectrophotometer?
Gin ango ma pe en aye tic pa grating (kidi difraksi) i monochromator?
Gin ango ma pe en aye tic pa grating (kidi difraksi) i monochromator?
Gin ango aye gin ma atabo pi tere kwede i spectrophotometer me double beam?
Gin ango aye gin ma atabo pi tere kwede i spectrophotometer me double beam?
Gin ango ma iye ma lambert-beer tito?
Gin ango ma iye ma lambert-beer tito?
Ka wiye me absorbance me atabo tye 1.2, gin ang ango ma man tyen lokke?
Ka wiye me absorbance me atabo tye 1.2, gin ang ango ma man tyen lokke?
Kit ango me kit ma gitye ka ngoone ma gitic kwede ki kwaraca (quartz) pi cuvette (single beam)
Kit ango me kit ma gitye ka ngoone ma gitic kwede ki kwaraca (quartz) pi cuvette (single beam)
Gin ango ma twero timme ka okello wiye me lone ma spectrofotometer myero oti kwede?
Gin ango ma twero timme ka okello wiye me lone ma spectrofotometer myero oti kwede?
En tyen lokke ango ka koefficient me absorbance me mole (ε) tye madit i analysis me quantitative?
En tyen lokke ango ka koefficient me absorbance me mole (ε) tye madit i analysis me quantitative?
Ento aplikacje me spectrofotometer me UV-Vis tye kwede i analisis me nguri?
Ento aplikacje me spectrofotometer me UV-Vis tye kwede i analisis me nguri?
Gin ango me tic pa lamp me tangsten-galogen (Tungsten-Halogen) i spektrofotometer me UV-Vis?
Gin ango me tic pa lamp me tangsten-galogen (Tungsten-Halogen) i spektrofotometer me UV-Vis?
Gin ango ma myero itim wek iwi sample obed leng?
Gin ango ma myero itim wek iwi sample obed leng?
Gin ango ma en absorbance (A) me ginnwa ka gipimo terene me transmittance (T)?
Gin ango ma en absorbance (A) me ginnwa ka gipimo terene me transmittance (T)?
Gin ango me tic pa wiye me lone (optical slit) i monochromator?
Gin ango me tic pa wiye me lone (optical slit) i monochromator?
Tyen lokke ango ka itiyo ki spectrofotometer me UV-Vis pi ngoo jami ma giketo i yat?
Tyen lokke ango ka itiyo ki spectrofotometer me UV-Vis pi ngoo jami ma giketo i yat?
Gin ango ma en ground state?
Gin ango ma en ground state?
Myero ngoo absorbance obed iye angO?
Myero ngoo absorbance obed iye angO?
Gin ango ma en tic pa prism i monochromator?
Gin ango ma en tic pa prism i monochromator?
Gin ango ma iye me analisis me quantitative?
Gin ango ma iye me analisis me quantitative?
Ka itiyo ki single beam gin aye ngoo kit me ngoo atabo nining?
Ka itiyo ki single beam gin aye ngoo kit me ngoo atabo nining?
Gin ango ma dongo teko me nguri ki spectrophotometry me UV-Vis?
Gin ango ma dongo teko me nguri ki spectrophotometry me UV-Vis?
Gin ango ma lam ma gitiyo kwede pi Kalibracji (calibration)?
Gin ango ma lam ma gitiyo kwede pi Kalibracji (calibration)?
Gin ango ma en ticce ka gitiyo ki detector i spectrophotometry me UV-Vis?
Gin ango ma en ticce ka gitiyo ki detector i spectrophotometry me UV-Vis?
Gin ango ma single beam yubo ticce kwede?
Gin ango ma single beam yubo ticce kwede?
Ngoo ango ma analisis me qualitative tic kwede?
Ngoo ango ma analisis me qualitative tic kwede?
Ka atabo ducu tere medde wiye, ngoo ma twero yaro wiu?
Ka atabo ducu tere medde wiye, ngoo ma twero yaro wiu?
Kace Lam me deuterum odoko otoo, ngoo aye myero itim?
Kace Lam me deuterum odoko otoo, ngoo aye myero itim?
Gin ango ma en wiye me lone ducu?
Gin ango ma en wiye me lone ducu?
Ngoo en ticic ma en UV-Vis twero yubo maber iye?
Ngoo en ticic ma en UV-Vis twero yubo maber iye?
Flashcards
Spectrofotometri UV-Vis
Spectrofotometri UV-Vis
En spectrometria me UV-Vis obedo, en timo me amito me tic me tic pire kwo me jami.
Tic me Spectrofotometri UV-Vis
Tic me Spectrofotometri UV-Vis
Elektron dongo ki teko madit i kabedo me UV-Vis.
Jami me Spectrofotometer
Jami me Spectrofotometer
Lam me deuterium, monokromator, cuvette, detektor, ki readout ye jami madongo me spectrofotometer.
Analisis me Spectrofotometri
Analisis me Spectrofotometri
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Absorbansi (A)
Absorbansi (A)
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Transmitan (%T)
Transmitan (%T)
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Prisma
Prisma
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Tic me Spectrofotometri
Tic me Spectrofotometri
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Ground State
Ground State
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Excited State
Excited State
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λmax
λmax
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Tyen me Ler
Tyen me Ler
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Monokromator
Monokromator
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Cuvette
Cuvette
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Detektor
Detektor
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Readout/Display
Readout/Display
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Study Notes
Gin tic me acel me Spektrofotometri UV-Vis
- Spektrofotometri UV-Vis obedo me tic me ngolo jami ma moko i labol kun lube ki kit ma jami magi gitye kwede ka ce tye jami ma neno lok me electromagnetic.
- Tim tic man cung ne i kom tam me gweno mac me taratara ma molekul onyo ion gweno i labol i borrwom me piny ma okato ange.
- Mac ma kitiyo kwede kwanyo:
- Ultraviolet (UV): 200–380 nm
- Visible (Vis): 380–700 nm
- Inframerah (IR): 700–3000 nm
- Borrwom me piny kinyuto ki alama λ (lambda).
- Kit ma piny nen kwede nyuto wat ma tye i kin borrwom me piny gin ki gweno onyo lo mac me labol.
Kit ma Spektrofotometri UV-Vis Tic kwede
- Tim tic madit me spektrofotometri UV-Vis obedo miyo elektron dok malo ki kabedo ma iting ikome (ground state) dok i kabedo ma iting ikome makato (excited state) pien gwenyo mac me UV onyo Vis.
- Ground state: Kabedo ma elektron bedo iye ma peya obedo ka gweno teko.
- Excited state: Kabedo ma elektron odongo iye iting ikome ka gweno teko ki i mac me UV-Vis.
- Ka mac kato ki i labol, taratara mogo bigweny, dok taratara mogo bidong ka kato.
- Dwe me mac ma kigweno pire tek tutwal ki dwe me jami ma tye i labol.
Pot Pot Madongo me Spektrofotometer UV-Vis
- Spektrofotometer UV-Vis tye ki pot pot madongo mogo me ngolo dwe me gweno onyo lo mac me labol:
- Mac ma Medo Tere
- Medo mac me UV gin ki Vis
- Kit me mac ma medo tere
- Lamu me Deuterium (UV): 190–380 nm (ticce romo nino 500)
- Lamu me Tungsten-Halogen (Vis & Near IR): 350–2200 nm (ticce romo nino 1000)
- Lamu me Mercury: Kitiyo kwede me yubo borrwom me piny (365 nm)
- Monokromator
- Ticce obedo me poko mac me polikromatis me doko mac me monokromatis (borrwom me piny acel keken).
- Tye ki:
- Prisma: Me poko mac.
- Kisi Difraksi (Grating): Poko mac kun lubo rwom me borrwom me piny.
- Celah Optik: Tiro mac ma opokere otera i labol.
- Cuvette
- Agulu ma nen tere me keto labol iye.
- Jami ma cuvette otedo kiye cung ne i kom borrwom me piny ma kitiyo kwede:
- Kuarsa: Pi UV
- Gelas/Plastik: Pi Vis
- Kit me cuvette:
- Single Beam: Yo mac acel kato ki i cuvette acel.
- Double Beam: Yo mac aryo, acel pi labol dok acel pi ma kinyutiye, miyo tic me ngolo dwe odong maber.
- Detektor
- Loko mac ma labol oloyo me doko sinyal me latrik.
- Kit me detektor:
- Photodiode
- Photomultiplier Tube (PMT)
- Readout/Display
- Nyuto atematema ma kilwongo kun lube ki gweno, lo mac, onyo dwe me jami ma tye i labol.
- Mac ma Medo Tere
Kit me Ngolo Jami ma Tye i Spektrofotometri UV-Vis
- Ngolo Jami ki Kiyo
- Kun lube ki borrwom me piny madit (λmax) ka gweno oting ikome otime.
- Pok jami ma kitgi pat kun lube ki kit ma en gwenyo mac kwede.
- Ngolo Dwe me Jami
- Kun kitiyo ki cik me Lambert-Beer:
- A = εbc
- A: Gweno (Absorbansi)
- ε: Koefisien me gweno me molar
- b: Bor me yo me mac (cm)
- c: Dwe me yugi (mol/L)
- A = εbc
- Kun kitiyo ki cik me Lambert-Beer:
Jami ma Kilwongo i Spektrofotometri
- Gweno (A)
- Dwe me mac ma labol ogweno.
- Dwe me gweno: 0 – 1
- Lo Mac (%T)
- Percente me mac ma labol oloyo.
- Dwe me lo mac: 0% (mac ogweny woko) – 100% (mac oloyo woko)
- Wat ma tye i kin gweno gin ki lo mac:
- A = -log(T)
Mac ma Kiweko i Spektrofotometri
Kit me Monokromator
- Prisma: Poko mac kun lube ki kit me gobo mac.
- Kisi Difraksi (Grating): Poko mac kun lube ki kit ma polge atung atung kwede.
- Celah Optik: Tiro mac me monokromatis otera i labol.
Kit ma Spektrofotometri UV-Vis Kitiyo Kwede
- Ngolo dwe me jami i yugi.
- Ngolo jami kun lube ki kit ma en gwenyo mac kwede.
- Ngolo kit ma jami leng kwede.
- Kitiyo kwede i pot pot mapat pat calo kemical me ngolo jami, faramasi, biokemical, gin ki kabedo.
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