𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Determination of the accessibility of NH groups of Kevlar 49 fibres by photoacoustic FTi.r. spectroscopy

✍ Scribed by E.G. Chatzi; M.W. Urban; H. Ishida; J.L. Koenig

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
439 KB
Volume
27
Category
Article
ISSN
0032-3861

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Determination of the degree of N-acetyla
Determination of the degree of N-acetylation and the distribution of N-acetyl groups in partially N-deacetylated chitins (chitosans) by high-field n.m.r. spectroscopy
✍ Kjell M. Vårum; Marit W. Antohonsen; Hans Grasdalen; Olav Smidsrød 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 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

N.m.r. studies in the heterocyclic serie
N.m.r. studies in the heterocyclic series: XVI—determination of the structure of 3-azidoindazole by 1H and 13C n.m.r. spectroscopy
✍ Alain Fruchier; Ermitas Alcalde; José Elguero 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 155 KB 👁 1 views

## Abstract The 1‐NH structure for 3‐azidoindazole has been demonstrated by the observation of ^1^H^1^H and ^13^C^1^H couplings involving the hydrogen atom attached to nitrogen. A comparison between 3‐azidoindazole and indazole shows that both compounds have the same tautomeric structure.