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Toxicity and Bioaccumulation of Arsenic and Chromium in Epigean and Hypogean Freshwater Macroinvertebrates
TLDR
A comparison between 96-h and 240-h experiments demonstrated that there was an increase in toxicity values following a longer time exposure for chromium, and chromium was more toxic toward crustaceans than arsenic; conversely, arsenic was more Toxic for the insect larvae and snail tested here. Expand
Interaction between methanogenic and sulfate-reducing microorganisms during dechlorination of a high concentration of tetrachloroethylene.
TLDR
The sulfate-reducing bacteria may not be competitors of H(2)-consuming methanogens in the reactor because of the existence of microbial biofilm, and the presence of the fixed film may be an advantage for bioremediation and industrial treatment of effluent charged in sulfate and PCE. Expand
Survey of trihalomethane levels in Rhône-Alps water supplies. Estimates on the formation of chloroform in wastewater treatment plants and swimming pools
Abstract A survey undertaken in the Rhone-Alps region has shown that haloforms occurred in various water samples. Drinking water contained very low levels of haloforms. Whereas surface water andExpand
Specific determination of cyanide in blood by headspace gas chromatography.
TLDR
An improved method has been developed for the quantitative determination of cyanide in human blood by headspace gas chromatography with electron-capture detection, which is simple, rapid, and specific for cyanide and does not suffer from any interference by cyanate and thiocyanate. Expand
Human ochratoxicosis in France.
TLDR
The prevalence of human ochratoxicosis in France is being determined using serum and plasma collected from apparently healthy people using high-performance liquid chromatography and spectrofluorimetry for detection and quantification. Expand
Complete degradation of high concentrations of tetrachloroethylene by a methanogenic consortium in a fixed-bed reactor
Abstract Tetrachloroethylene (PCE) is a chlorinated aliphatic compound essentially used as a degreasing and dry-cleaning solvent. A methanogenic and sulfate-reducing consortium was obtained fromExpand
Gas chromatographic determination of preservatives in rennet.
Effects of ozonation on mutagenic activity of polycyclic aromatic hydrocarbons
TLDR
In this study, four polycyclic aromatic hydrocarbons were tested and the disappearance of parent compounds and the appearance of ozone byproducts were measured by high performance liquid chromatography coupled with spectrofluorimetry and U.V. spectrophotometry. Expand
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