Bamboo pulp
was used as the biomass source in this study. Sodium periodate (NaIO4, 99%), alizarin red S (ARS), and brilliant cresyl blue (BCB)
were purchased from Acros Organics. (Carboxymethyl)trimethylammonium
chloride hydrazide (Girard’s Reagent T, 99%) and acid green
25 (AG25) were purchased from Sigma-Aldrich. Sodium hydroxide (NaOH,
97%), hydrochloric acid (HCl, 36.5–38%), sodium chloride (NaCl,
99%), sodium sulfate (Na2SO4, 99%), sodium phosphate
(Na3PO4, 96%), hydroxylamine hydrochloride (NH2OH·HCl, 96%), and dehydrated alcohol (CH3CH2OH, 99.5%) were purchased from Fisher Scientific. Congo red
(CR), Bismarck brown Y (BBY), and acid brown M (ABM) were purchased
from Alfa Asear. All chemicals were used as received without further
purification.