LC/MS is an ideal complementary part to Diode-Array UV-visible range detector. LC/MS is effective in fast and accurate determinations of complex compounds, their molecular weight and structural information, identification of peak clarity and determination of impurities in complex matrixes.

Complex compound identification can be achieved using: (+) and (-) ionization, Atmospheric Pressure ionization Electrospray (API-ES), Atmospheric Pressure Chemical Ionization (APCI) techniq