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Screening of N-nitrosamines in tap and swimming pool waters using fast gas chromatography.
N-Nitrosamines (NAms) are suspected human carcinogens that have been identified as drinking water and wastewater pollutants. In this work, a sensitive screening/confirmation method was proposed forExpand
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Micro liquid-liquid extraction combined with large-volume injection gas chromatography-mass spectrometry for the determination of haloacetaldehydes in treated water.
Haloacetaldehydes (HAs) are becoming the most widespread disinfection by-products (DBPs) found in drinking water, besides trihalomethanes and haloacetic acids, generated by the interaction ofExpand
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Fullerenes as Sorbent Materials for Metal Preconcentration
The analytical potential of C[sub 60] fullerenes as sorbent materials for preconcentration of metal traces by formation of neutral chelates was studied for the first time in this work. The modelExpand
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Comparison of several solid-phase extraction sorbents for continuous determination of amines in water by gas chromatography-mass spectrometry.
A semiautomatic method has been proposed for the determination of different types of amines in water samples including anilines, chloroanilines, N-nitrosamines and aliphatic amines. The analytes wereExpand
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Fullerenes as sorbent materials for benzene, toluene, ethylbenzene, and xylene isomers preconcentration.
A simple and novel SPE system for benzene, toluene, ethylbenzene, and xylene isomers (BTEX) compounds in water is proposed in which samples are directly propelled from a 15 mL glass vial through aExpand
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Environmental and biological monitoring of volatile organic compounds in the workplace.
The exposure of workers to volatile organic compounds (VOCs) in the workplace has been evaluated in four different occupations, namely: house painters, varnishing workers, car painters and petrolExpand
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Occurrence of aromatic amines and N-nitrosamines in the different steps of a drinking water treatment plant.
The occurrence of 24 amines within a full scale drinking water treatment plant that used chlorinated agents as disinfectants was evaluated for the first time in this research. Prior to any treatmentExpand
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Natural attenuation of diesel aliphatic hydrocarbons in contaminated agricultural soil.
A diesel fuel spill at a concentration of 1 L m(-2) soil was simulated on a 12 m(2) plot of agricultural land, and natural attenuation of aliphatic hydrocarbons was monitored over a period of 400Expand
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indirect flow-injection determination of tannins in wines and tea by atomic absorption spectrometry
Abstract An automatic continuous precipitation system for the indirect determination of tannins in foods based on the standard gravimetric method was developed as an alternative to the OfficialExpand
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Determination of selenium in fruit juices by flow injection electrothermal atomization atomic absorption spectrometry
An automatic flow injection method for the determination of Se in fruit juices by electrothermal atomization atomic absorption spectrometry is proposed. The flow manifold used, which is coupled toExpand
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