Hraðafræði jafnvægismyndunar

•Stopped flow•Temperature jump•Flash photolysis / Leifturlitrófsgreining

Stopped flow:

Flash photolysis / Leifturlitrófsgreining

Hefðbundin litrófsgreining; Gleypni / Absorption spectroscopy:

I0 I

• Gleypni/Absorbance = Abs = log(I0/I)•Abs = b [AB],.....

Abs/Ifl

A

B

AB

Sýni: A, B, ABStyrkir efna =[A], [B], [AB]

b

Leiftur-

“flass-Lampi”

Leiftur-

A + B = AB“flass-Lampi”

Leiftur-

Abs.

(AB)

t

Fe + SCN = FeSCN“flass-Lampi”

 Absorption spectra of iron thiocyanate complexes. D – optical density, ν – wave number. 1 – known solution (320 mg/dm2), 2 – iron extracted from coating, 3 – blank experiment.

500 nm

400 nm

333 nm

450 nm

Applied Surface ScienceVolume 258, Issue 7, 15 January 2012, Pages 2761–2765