## Abstract ^13^C magnetic resonance spectra of several enamino ketones with secondary and tertiary amino groups were obtained for trifluoroacetic acid solutions. In both series __O__βprotonation is predominant and the chemical shifts are related to the electron density changes with respect to the
β¦ LIBER β¦
Structure and activity of fluorinated alumina. 1. Determination of the number of protonic sites by an infrared study of adsorbed pyridines
β Scribed by Emil R.A Matulewicz; Frans P.J.M Kerkhof; Jacob A Moulijn; Henk J Reitsma
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 675 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0021-9797
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of the wceds for whicli cnclt srtl~stariec is particulnrly toxic nntl nctiinl esnniplcs nntl figures showing thc efficiency of cncli sul)stnncc. Linlc acts hy virtnc of ncut.mlizing soil acidity ; sulpltnte of nrninonin is probnldy tAic best substnncc for pt!nc!rnl nsc ; sulplturic ncid is part icii