Fig. 5From: Cellulose and lignin purified from Metroxylon sagu palm fronds by a new technology with 2-methylanthraquinone cooking and peroxymonosulfuric acid bleachingBrightness and viscosity profiles during the TCF bleaching of SPF pulp (TCF-bleaching sequence: O-Psa-Ep-Psa-Ep). Yellow and black filled bars present the brightness and viscosity values, respectivelyBack to article page