In 2020,Polymers (Basel, Switzerland) included an article by Nasir, Nur’Izzah Md.; Abdulmalek, Emilia; Zainuddin, Norhazlin. Computed Properties of C6H12O6. The article was titled 《Preparation and optimization of water-soluble cationic sago starch with a high degree of substitution using response surface methodology》. The information in the text is summarized as follows:
Modification and characterizations of cationic sago starch with 3-chloro-2-hydroxypropyl trimethylammonium chloride (CHPTAC) prepared via etherification reaction was reported in this study. The optimization of cationic sago starch modification was performed by utilizing the combination of response surface methodol. and central composite design (RSM/CCD). The effect of each variable and the interaction between the three variables, the concentration of CHPTAC, concentration of the catalyst NaOH, and the reaction times on the degree of substitution (DS) of the product were investigated and modeled. Moderate conditions were employed and a water-soluble cationic sago starch with high DS value was obtained. Based on RSM, the highest DS = 1.195 was obtained at optimum conditions: 0.615 mol of CHPTAC concentration (CHPTAC/SS = 5), 30% w/v NaOH, and 5 h reaction time, at 60°C reaction temperature Furthermore, the cationic sago starch was characterized using Fourier transform IR spectroscopy, FTIR, X-ray diffraction, XRD, and field emission SEM, FESEM. In the part of experimental materials, we found many familiar compounds, such as rel-(3R,4S,5S,6R)-6-(Hydroxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetraol(cas: 54-17-1Computed Properties of C6H12O6)
rel-(3R,4S,5S,6R)-6-(Hydroxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetraol(cas: 54-17-1) is the monohydrate form of the alpha isoform of D-glucopyranose, a synthetic simple monosaccharide that is used as an energy source.Computed Properties of C6H12O6
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