Verkleg eðlisefnafræði ÚF/SÝN litrófsgreining; Jafnvægisfasti ákvarðaður með litrófsgreiningu dæmi: Tyrosine Sbr verkleg æf. B4a:

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Presentation transcript:

Verkleg eðlisefnafræði ÚF/SÝN litrófsgreining; Jafnvægisfasti ákvarðaður með litrófsgreiningu dæmi: Tyrosine Sbr verkleg æf. B4a: Sjá verkefni (tyrosine):

Ákvarða Gleypnistuðla (  ) sýru og basa forma tyrosine við 270 nm og 287 nm: ATH: a =L* , L = 1 cm => a =  Coefficient values ± one standard deviation a=0.01 ± 2.64e-015 hallatala: b=1440 ± 3.4e-012 Coefficient values ± one standard deviation a=6.0137e-017 ± 6.01e-017 hallatala: b=40 ± 7.73e-014 Coefficient values ± one standard deviation a= ± b=1020 ± 11.5 Coefficient values ± one standard deviation a= ± b=2620 ± 11.5 Súrar lausnir Basískar lausnir Abs./Gl. Styrkur/M 270 nm 287 nm 270 nm = a 270,BH = a 287,BH = a 287,B - = a 270,B - Skv. “IGOR”: Abs./Gl.

Leysi saman jöfnur: A 270 = a 270,BH [BH] + a 270,B -[B - ] (3a) A 287 = a 287,BH [BH] + a 287,B -[B - ] (3b) Þá fæst: [B - ]/[BH][H + ]KaKa E E E E E E E E E-11 =meðaltal Sjá útreikninga: Sbr.: Ágúst KvaranÁgúst Kvaran, updated