Fig. 5From: Effects of aromatic ring type on reactions subsequent to the β-O-4 bond cleavage of non-phenolic lignin model compounds under alkaline pulping conditionsHPLC chromatograms of the neutralized reaction solutions of: a HG, b GG, c SG, and d HClG at reaction times of 150, 120, 90, and 120 min, respectivelyBack to article page