Summary
Samenvatting Instrumentele analyse
- Course
- Institution
In dit document in een samenvatting van de slides en mijn notities terug te vinden
[Show more]
1 review
By: elbsalma • 8 months ago
Seller
Follow
iemand123
Reviews received
Content preview
SAMENVATTING INSTRUMENTELEANALYSE
spectrochemie....................................................................................................................5
Mogelijke vragen...........................................................................................................................5
Inleiding.........................................................................................................................................5
H1. UV-vis spectrofotometrie..............................................................................................5
Wet van lambert beer....................................................................................................................5
Onderdelen apparatuur.................................................................................................................7
stralingsbron......................................................................................................................................................7
golflengteselector..............................................................................................................................................8
filters.............................................................................................................................................................9
Monochromators..........................................................................................................................................9
cuvetten...........................................................................................................................................................11
stralingsdetectie..............................................................................................................................................11
fotoomultiplicatorbuis................................................................................................................................11
siliciumfotodiode.........................................................................................................................................12
Instrumenteel ontwerp................................................................................................................14
Visuele/vergelijkende colorimetrie.................................................................................................................14
spectrofotometer...........................................................................................................................................15
fototrode.........................................................................................................................................................15
Recente ontwikkelingen in de spectrofotometrie: DATA MAnipulatie.........................................15
Toepassingen van UV-VIS absorptiemetingen..............................................................................17
Kwalitatief........................................................................................................................................................17
kwantitatief.....................................................................................................................................................17
Nefelometrie en turbidimetrie.....................................................................................................18
H2. IR spectrofotometrie...................................................................................................19
theorie.........................................................................................................................................19
Onderdelen apparatuur...............................................................................................................19
Toepassingen...............................................................................................................................21
H3: Atomaire absorptie spectrometrie.............................................................................21
inleiding.......................................................................................................................................21
Onderdelen apparatuur...............................................................................................................22
Holle kathode lamp.........................................................................................................................................22
Elektrodeloze ontladingslamp (EDL)...............................................................................................................23
Atoomcel.........................................................................................................................................................23
Vlam AAS.........................................................................................................................................................24
Grafietoven......................................................................................................................................................24
1
, toepassingen................................................................................................................................24
H4. Vlamfotometrie (AES).................................................................................................25
AES theorie..................................................................................................................................25
onderdelen..................................................................................................................................25
Vernevelen......................................................................................................................................................25
Atomiseren – exciteren...................................................................................................................................26
Isoleren spectraallijn.......................................................................................................................................26
Lichtmeting en weergave signaal....................................................................................................................26
Vlamfotometer storingen.............................................................................................................26
Zelfabsoptie.....................................................................................................................................................26
Opzuigsnelheid/ verneveling...........................................................................................................................26
Ionisatie...........................................................................................................................................................27
Fluctuaties.......................................................................................................................................................27
H5. Fluorimetrie................................................................................................................27
Fluorimetrie theorie.....................................................................................................................27
Fluorescentie opbrengst.................................................................................................................................28
Verband tss fluorescentie-intensiteit en concentratie...................................................................................28
Onderdelen apparatuur...............................................................................................................29
lichtbron..........................................................................................................................................................29
Excitatiemonochromator................................................................................................................................29
cuvet................................................................................................................................................................29
Fluorescentiemonochromator........................................................................................................................29
fluorescentiedetector......................................................................................................................................30
Toepassingen...............................................................................................................................30
H6. Massaspectrometrie...................................................................................................30
6.1 theorie...................................................................................................................................30
6.2 toestel....................................................................................................................................31
6.2.2 ionisatiebronnen.................................................................................................................31
elektron ionisatie (EI)......................................................................................................................................31
chemische ionisatie (CI)...................................................................................................................................32
Fast atom bombardement (FAB).....................................................................................................................32
Elektrospray ionisatie (ESI)..............................................................................................................................32
Atmosferisch druk chemische ionisatie (APCI)................................................................................................33
Matrix assisted laser desorption ionisation ( MALDI).....................................................................................33
Inductief gekoppelde plasma ( massaspectrometie) (ICP-MS).......................................................................34
de plasmatoorts..........................................................................................................................................35
De interface.................................................................................................................................................36
Het lenzen syssteem + foton stop...............................................................................................................37
6.2.3.Analysatoren- massascheiding............................................................................................37
Magnetische massaspectrometer...................................................................................................................37
Time of flight (TOF) analysator........................................................................................................................38
quadrupool......................................................................................................................................................39
2
, Tandem MS of MS-MS.....................................................................................................................................40
ionenvangst.....................................................................................................................................................40
detectie........................................................................................................................................40
orbitrap ( hoort eig bij detectie?.....................................................................................................................40
detectie............................................................................................................................................................41
fragmentatie................................................................................................................................41
Isotopenverhouding.....................................................................................................................42
Interpretatie................................................................................................................................42
Voorbeelden van massa spectra..................................................................................................42
H7. Nucleaire magnetische resonantie..............................................................................42
NMR theorie................................................................................................................................42
Magnetische resonantie..................................................................................................................................42
Chemische verschuiving..................................................................................................................................43
Spin spin koppeling......................................................................................................................43
Interpretatie spectra....................................................................................................................43
elektrochemie...................................................................................................................44
H8. Conductometrie theorie..............................................................................................44
theorie.........................................................................................................................................44
Toepassingen...............................................................................................................................45
Rechtstreekse meting vd geleidbaarheid........................................................................................................45
Conductometrische titraties...........................................................................................................................45
H9. Potentiometrie...........................................................................................................47
Verschijnselen in elektrochemische cellen...................................................................................47
Redoxreacties..................................................................................................................................................47
Galvanische cellen...........................................................................................................................................47
Elektrodepotentiaal.........................................................................................................................................48
Standaard elektrodepotentiaal.......................................................................................................................48
Elektrodepotentiaal ifv C.................................................................................................................................48
potentiometrie.............................................................................................................................50
activiteit - ionensterkte...................................................................................................................................50
Referentie elektrode....................................................................................................................51
Verzadigde calomel eletrode..........................................................................................................................51
zilver -zilverchloride elektrode........................................................................................................................51
Kwik- kwiksulfaat oplossing.............................................................................................................................51
Factoren die effectiviteit beïnvloeden............................................................................................................52
ionselectieve elektroden..............................................................................................................52
Glasmembraan selectief voor H+ (na+)...........................................................................................................52
assymetriepotentiaal...................................................................................................................................53
Ijking/ calibratie...........................................................................................................................................54
temperatuursafhankelijkheid.....................................................................................................................54
3
, selectiviteit en alkalifout.............................................................................................................................54
Glasmembraan selectief voor Na+...............................................................................................54
Vaste kristalmembraan selectief vr Cl-.........................................................................................55
Vloeistofmembraan selectief vr K+..............................................................................................55
Gasgevoelige elektrode selectief vr CO2......................................................................................55
4
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller iemand123. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.51. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now