THE acetylation of sugars has hitherto involved the use of acetic anhydride and a catalyst such as sodium acetate 1, zinc chloride 2, sulphuric acid 3 or pyridine 4. We have shown that glucose may ...

Polyglycerol, a polyhydric alcohol produced from glycerol, is the basic product for the preparation of polyglycerol esters (PGEs), which are used as emulsifiers in processed foods and personal ...

WITH reference to Mr. Elson's observation 1 that ascorbic acid at low concentrations inhibits urease activity, and that this inhibition disappears in the presence of cysteine, it is worth noting ...

An advantage of using polyhydric alcohols is the absence of β-hydrogen, which results in the enhancement of thermal and oxidative stability of the lubricant at high temperatures. (121) Afifah et al.

3D printing of bio-based and renewable polymers such as lignin has gained research attention during the last few decades. We report on the synthesis and characterization of a liquid lignin-based ...

Download the HBSE Class 12th Chemistry Syllabus 2025-2026 PDF from the official Haryana Board website (bseh.org.in). Access chapter-wise topics, course structure, and marking scheme for effective ...

The influence of different polyols as plasticizers of alginate films on their physical attributes like moisture content, soluble mass in water, water uptake, water vapor permeability, opacity and ...