## Abstract A two‐step procedure for the supercritical fluid extraction (SFE) of polycyclic aromatic hydrocarbons from soil samples was developed. The procedure consists of a static supercritical fluid treatment in a closed extraction cell at a high temperature (__T__ = 250 or 340°C for 20 min) and
✦ LIBER ✦
Degradation of polycyclic aromatic hydrocarbons in soil by a two-step sequential treatment
✍ Scribed by Leticia Pizzul; Åsa Sjögren; María del Pilar Castillo; John Stenström
- Publisher
- Springer Netherlands
- Year
- 2007
- Tongue
- English
- Weight
- 204 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0923-9820
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## Abstract Rifampicin‐resistant mutations were induced in __Pseudomonas putida__ A11rUV growing in soil containing 9,10‐dimethyl‐1,2‐benzanthracene and benzo[__a__]pyrene. Aging of the compounds for 7 d caused a marked decrease in the mutation rates, and the number of mutants was further reduced a