On another note,polyphenols concentration in OMWW was determined using the method proposed by Beltrán et al. (2004), whereas TCOD was analyzed using Nanocolor® (Macherey-Nagel) kits and a PF-12 portable spectrophotometer (Macherey-Nagel).
On another note,polyphenols concentration in OMWW was determined using the method proposed by Beltrán et al. (2004), whereas TCOD was analyzed using Nanocolor® (Macherey-Nagel) kits and aPF-12 portable spectrophotometer (Macherey-Nagel).