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Samenvatting van hoofdstuk 18 chemische analyse

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samenvatting hoofdstuk 18 chemische analyse + berekeningen!

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Hoofdstuk 18
Uploaded on
October 26, 2021
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Written in
2020/2021
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Hoofdstuk 7 – analytische spectrometrie

c
f= frequentie Hz f=
Y
c= (licht)snelheid 2,998 x 108
y= golflengte nm nm= x 10-9


h= constante van Planck 6,63 x 10-34 J/s E= h x f
f= frequentie Hz
E= fotonenergie J


∆X
S= gevoeligheid S=
∆c
∆X= verandering van het meetsignaal
∆c= verandering van concentratie


I
T= transmissie tussen 0-1 T=
Io
I= intensiteit van het niet geadsorbeerde licht
I0= intensiteit van de ongehinderde straling


T= transmissie tussen 0-1 -logT = E = ε x c x l
ε= molaire extinctiecoëfficiënt(L/mol
c= concentratie mol/L
l= lengte lichtweg monster 1
E= extinctie


Detectiegrens = 3 x st. dev.
Bepalingsgrens = 3 x detectiegrens


3 x detectiegrens
Cmin= Cmin =
K
K= extinctiecoëfficiënt


S= spleetbreedte ∆s/∆y = lineaire dispersie
y= bandbreedte
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