Fityk [fi:tik] o te hoê ïa faanahoraa no te faaineineraa i te mau haamaramaramaraa e te mau faanahoraa e ere i te mea faufaa roa Te mau mana'o tauturu no te.

Faaohipahia na mua roa

• na roto i te te mau aivanaa who analyse data from powder diffraction, chromatography, photoluminescence and photoelectron spectroscopy, infrared and Raman spectroscopy, and other experimental techniques,

• to fit peaks – bell-shaped functions (Gaussian, Lorentzian, Voigt, Pearson VII, bifurcated Gaussian, EMG, Doniach-Sunjic, etc.),