The study of thermal-related solid-state reaction monitored by spectroscopic method needs the use of advanced multivariate chemometric approach. It is because visual inspection of spectral data on particular functional groups or spectral bands is difficult to reveal the complete physical and chemica
Solid-state anomalies in IR spectra of compounds of pharmaceutical interest
β Scribed by S. C. Mutha; W. B. Ludemann
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 302 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0022-3549
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π SIMILAR VOLUMES
The infrared spectra of the four solid modifiations of thiophene have been studied. Absence of apprechbk band shifts and solid state splittings, in going from the liquid to the solid phases, seems to indicate that the crystak of thiophene are disordered at least until the 4th solid modification beco
## Abstract For three organosodium complexes, namely triphenylmethylsodium(tmeda) (**1**), fluorenylsodium(pmdta) (**2**) and fluorenylsodium(tmeda) (**3**), ^13^C and ^23^Na solidβstate FTβNMR spectra have been measured for the first time. They were analysed in terms of chemical shifts, Ξ΄(^13^C) a