the composition of which is described elsewhere (Antonopoulou and Lyberatos,2013).Prior to digestion, the flasks were sparged for approximately 1.5 min with nitrogen in order to remove the oxygen.
the composition of which is described elsewhere (Antonopoulou and Lyberatos,2013).Prior to digestion, the flasks were sparged forapproximately 1.5 min with nitrogen in order to remove theoxygen.