Effects of 2,4-dichlorophenol on activated sludge
β Scribed by E. Sahinkaya; F. Dilek
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 100 KB
- Volume
- 59
- Category
- Article
- ISSN
- 1432-0614
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The toxic effects of 2,4-dichlorophenol on two strains of Escherichia coli harbouring plasmids with p-lactamase activity were studied. The toxicant had a significant effect on growth at concentrations of 12 p g mi-' for the JA 221 (pBR322) strain, as well as at 24 pg rnl-' for the 55-3 (RP4) strain.
## Abstract Quantitative analysis of isomers by NMR has been carried out in the measurement of species whose components present simple and sufficiently isolated spectra. Generally, the substituted aromatic proton splits into complicated spectral lines due to spinβspin coupling. The ring proton spec