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6. concentration of X in A/ concentration of X in B

  • KD
  • Rf
  • K'x

7. constant temperature, same state in solvents, equilibrium concs used, dilute solutions used, immiscible solvents

  • all restrictions of distribution law
  • all not taken into account of distribution law

8. ________ mean +/- 2 x standard deviation

  • warning limits (shewhart chart)
  • action limits (shewhart chart)

9. there is a high limit of detection in lplc

  • true
  • false

10. infrared spectroscopy is associated to transitions between vibrational levels

  • true
  • false

11. conc of X in liquid/conc of X in headspace

  • KD
  • Rf

12. time or distance to complete one cycle of the wave form

  • wavelength
  • frequency v

13. henrys law is a form of distribution law

  • true
  • false

14. liquid liquid extraction efficiency depends on the distribution ratio/partition coefficient and

  • volume of phases
  • pH of phases

15. a large particle size of over 40 um is used in lplc

  • true
  • false

16. long wavelengh corresponds to

  • low energy
  • high energy

17. ___ = mean of blank + 3 x standard deviation of blank

  • lod
  • loq

18. internal standards help to correct for errors within methods, eg systematic and random

  • true
  • false

19. ________ mean +/- 3 x standard deviation

  • action limits (shewhart chart)
  • warning limits (shewhart chart)

20. thin layer chromatography is a liquid liquid chromatography

  • false
  • true