THE use of ferricyanide for the quantitative estimation of sugar was introduced by Hagedorn and Jensen [1923]. Their method has been extended to other sugars by Hanes [1929] and Hulme and Narain [1931]. These methods involve a preliminary heating for 15 minutes and a subsequent back titration. The fact that ferricyanide is only slightly coloured would seem to make it valueless for a direct titr...

A zirconia-based catalyst with controlled crystalline phases is synthesized through a simple thermal decomposition of parent UiO-66 single precursor. The introduction Ti(IV) and Hf(IV) cation into the Zr(IV) framework has been successfully obtained to tune photocatalytic activity over methyl orange (MO) solution. Their resulting phases, morphologies, elemental analysis, band gap values, surface...

Semi-transparent composite film from rice straw-based microfibrillated cellulose and chitosan (MFC/CS) has been demonstrated to be a promising candidate light management material for the next generation optical engineering applications. Here, lignin-modified MFC was prepared successfully through green method, in which first extracted using dilute sodium hydroxy solution on homogenizer at 5000 r...

Bentonite - TiO2 composites were prepared by impregnation of TiO2 and bentonite, followed by microwave irradiation processes. The composites were characterized using FTIR, SEM, XRD, and nitrogen sorption methods. Anatase phase of TiO2 in all composites are observed through XRD diffraction peaks and surface morphology of the composites. The adsorption and photocatalytic capabilities of the compo...

Resin AB-8 was screened from seven resins with different polarity and particle size because of its better decoloration deproteinization efficiency to polysaccharide the root Actinidia valvata (AvPs), then optimized parameter conditions were applied by single-factor experiments shown as follows: a concentration crude 3 mg/mL, an adsorption time 40 min, initial pH 7.0, flow rate 1.5 BV/h. In addi...