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An extensive survey was conducted in this study to determine the spatial distribution and possible sources of 7 heavy metals (Pb, Cu, Zn, Cr, Ni, Co, Mn) in the soils in Perlis and producing a heavy metal distribution maps. 18 soil samples around Perlis undergo microwave digestion and analyzed by inductively coupled plasma mass spectrometry ICP-MS. The(More)
Concentration of 5 heavy metals (Cu, Cr, Ni, Cd, Pb) were studied in the soils around Perlis, to assess heavy metals contamination distribution due to industrialization, urbanization and agricultural activities. Soil samples were collected at depth of 0-15cm in eighteen station around Perlis.The soil samples (2mm) were obtained duplicates and subjected to(More)
Pseudomonas testosteroni H-8 oxidizes certain lower alkylbenzene sulfonates at rates inversely related to the length of the alkyl group. Appreciable Q(O)2 values were observed for benzene sulfonate (BS), toluene sulfonate (TS), and ethylbenzene sulfonate (EBS), but not for propylbenzene sulfonate (PS) and higher homologues. Catechol oxidation was catalyzed(More)
Pseudomonas testosteroni H-8 utilizes as sole carbon source benzene sulfonate (BS), p-toluene sulfonate (pTS), and ethylbenzene sulfonate (EBS) but not higher homologs. Growth on BS was rapid (generation time, 3 hr) and efficient (Y = 57), and resulted in accumulation of sulfate. As the culture is acid-sensitive, the medium must be heavily buffered to(More)
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