𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Degree of Acetylation of Chitin and Extent of Grafting PHB on Chitosan Determined by Solid State 15N NMR

✍ Scribed by Yu, Ga-er; Morin, Frederick G.; Nobes, Geoffrey A. R.; Marchessault, Robert H.


Book ID
111933784
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
98 KB
Volume
32
Category
Article
ISSN
0024-9297

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Determination of the degree of N-acetyla
✍ Kjell M. VΓ₯rum; Marit W. Antohonsen; Hans Grasdalen; Olav SmidsrΓΈd πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 English βš– 452 KB

The composition and sequence of 2-acetamido-2-deoxy-beta-D-glucose (GlcNAc) and 2-amino-2-deoxy-beta-D-glucose (GlcN) residues in partially N-deacetylated chitosans, prepared under homogeneous and heterogeneous conditions, have been determined by 1H-n.m.r. spectroscopy. It was necessary to depolymer

A rapid method for the determination of
✍ FrΓ©dΓ©ric Niola; NΓΉria Basora; Esteban Chornet; Pierre FranΓ§ois Vidal πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 599 KB

A simple and rapid method for the quantitative determination of N-acetyl groups in chitin-chitosan samples consists of an acid hydrolysis conducted at high temperature with a mixture of sulfuric and oxalic acids. The acetic acid formed is determined by spectrophotometry at 210 nm after separation fr