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Showing 1-30 of 32 results for "206326" within Papers
Haiting Zhang et al.
Journal of environmental sciences (China), 33, 116-124 (2015-07-05)
The chemistry associated with the disinfection of aquarium seawater is more complicated than that of freshwater, therefore limited information is available on the formation and speciation of disinfection byproducts (DBPs) in marine aquaria. In this study, the effects of organic
J Calderón et al.
Gaceta sanitaria, 16(3), 241-243 (2002-06-12)
The presence of trihalomethanes in the water systems of several Spanish cities has been demonstrated. The aim of this study was to analyze trihalomethane concentrations in the water provided for human consumption in the city of Barcelona. We analyzed 151
[Determination of bromodichloromethane and dibromochloromethane in tap water using headspace gas chromatography with standard addition method].
Yonghua Wang
Se pu = Chinese journal of chromatography, 23(2), 215-215 (2005-07-15)
J Caro et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 848(2), 277-282 (2006-11-10)
A sensitive and straightforward method for the determination of trihalomethanes (THMs) in urine by using headspace extraction technique has been developed. Chemical and instrumental variables were studied in order to optimize the method for sensitivity: an excess of KCl (4
P Bocchini et al.
Rapid communications in mass spectrometry : RCM, 13(20), 2049-2053 (1999-10-08)
The analysis of organic pollutants in drinking water is a topic of wide interest, reflecting on public health and life quality. Many different methodologies have been developed and are currently employed in this context, but they often require a time-consuming
M A Stack et al.
Chemosphere, 41(11), 1821-1826 (2000-11-01)
Solid phase micro extraction (SPME) was applied to the determination of selected trihalomethanes (THMs), chloroform, bromodichloromethane, dibromochloromethane, bromoform, in potable and recreational waters. The selected samples were environmentally significant due to mandatory limits imposed by regulatory agencies. Extraction of the
Wan-Kuen Jo et al.
The Science of the total environment, 339(1-3), 143-152 (2005-03-03)
In Korea, data for multi-route trihalomethane (THM) exposure in households using municipal tap water treated with ozone-chlorine or chlorine are unavailable or very limited. Accordingly, the present study was designed to obtain those data by measurements of the THM concentrations
Zhen He et al.
Environmental pollution (Barking, Essex : 1987), 177, 28-37 (2013-03-08)
Halocarbons including chloroform (CHCl3), trichloroethylene (C2HCl3), tetrachloroethylene (C2Cl4), chlorodibromomethane (CHBr2Cl) and bromoform (CHBr3) were measured in the Yellow Sea (YS) and the East China Sea (ECS) during spring 2011. The influences of chlorophyll a, salinity and nutrients on the distributions
Kohji Yamamoto et al.
Bulletin of environmental contamination and toxicology, 83(5), 677-680 (2009-05-29)
Empirical equations for explaining trihalomethane (THM) distribution were established based on data on tap water in Osaka City before and after starting the advanced treatment and were represented by the following equations for bromodichloromethane (S(1)), dibromochloromethane (S(2)) and bromoform distribution
M S Christian et al.
International journal of toxicology, 20(4), 239-253 (2001-09-21)
Dibromoacetic acid (DBA) and bromodichloromethane (BDCM), by-products of chlorine disinfection of water, were provided in drinking water in range-finding reproductive/developmental toxicity studies (rats) and a developmental toxicity study (BDCM) in rabbits. Studies included absorption and biodisposition of DBA and BDCM
William A Weaver et al.
Water research, 43(13), 3308-3318 (2009-06-09)
Chlorination of indoor swimming pools is practiced for disinfection and oxidation of reduced compounds that are introduced to water by swimmers. However, there is growing concern associated with formation for chlorinated disinfection by-products (DBPs) in these settings. Volatile DBPs are
Qiang Zeng et al.
Environment international, 54, 134-140 (2013-03-05)
Toxicological studies showed that trihalomethanes (THMs), the most abundant classes of disinfection by-products (DBPs) in drinking water, impaired male reproductive health, but epidemiological evidence is limited and inconsistent. This study aimed to examine the associations of baseline blood THMs with
Shakhawat Chowdhury et al.
Water research, 44(7), 2349-2359 (2010-01-19)
Chlorination for drinking water can form brominated trihalomethanes (THMs) in the presence of bromide ions. Recent studies have reported that bromodichloromethane (BDCM) has a stronger association with stillbirths and neural tube defects than other THMs species. In this paper, the
Glòria Carrasco-Turigas et al.
Journal of environmental and public health, 2013, 959480-959480 (2013-03-12)
Disinfection by-products (DBPs) are ubiquitous contaminants in tap drinking water with the potential to produce adverse health effects. Filtering and boiling tap water can lead to changes in the DBP concentrations and modify the exposure through ingestion. Changes in the
Synthesis, 857-857 (1991)
A Domínguez-Tello et al.
Journal of chromatography. A, 1402, 8-16 (2015-06-01)
Trihalomethanes (THMs) are regulated disinfection by-products (DBPs) most commonly analyzed in quality control water supply due to their harmful effects on health. However, few data exist about the content of emerging iodo-trihalomethanes (I-THMs) which are present in drinking water at
T Yoshida et al.
Archives of environmental contamination and toxicology, 36(3), 347-354 (1999-02-27)
Inhalation pharmacokinetics of the environmental contaminants chloroform, bromodichloromethane, chlorodibromomethane, and carbon tetrachloride were evaluated, and their absorption amounts were estimated in rats to obtain fundamental data for risk assessment of chronic low-level exposures. Measured amounts of the substances were injected
Yu-Mei Tan et al.
Journal of exposure science & environmental epidemiology, 17(7), 591-603 (2006-11-17)
Biomonitoring data provide evidence of exposure of environmental chemicals but are not, by themselves, direct measures of exposure. To use biomonitoring data in understanding exposure, physiologically based pharmacokinetic (PBPK) modeling can be used in a reverse dosimetry approach to assess
Eva Aguilera-Herrador et al.
Journal of chromatography. A, 1209(1-2), 76-82 (2008-09-27)
A simple, rapid, solventless method for the determination of trihalomethanes (THMs) (chloroform, bromodichloromethane, dibromochloromethane and bromoform) in water samples is presented. The analytes are extracted from the headspace of the aqueous matrix into a 2 microL drop of the ionic
Providencia González-Hernández et al.
Environmental technology, 38(7), 911-922 (2016-11-29)
A simple and efficient method has been developed for the extraction and determination of 16 common volatile halogenated disinfection by-products (DBPs) (four trihalomethanes, six haloacetonitriles, and six halonitromethanes) in blending desalinated waters, using headspace solid-phase microextraction and gas chromatography with
R Rajamohan et al.
Environmental science and pollution research international, 22(23), 18772-18778 (2015-07-23)
Chlorine addition as a biocide in seawater results in the formation of chlorination by-products such as trihalomethanes (THMs). Removal of THMs is of importance as they are potential mutagenic and carcinogenic agents. In this context, a study was conducted that
Zelinda Isabel Silva et al.
Journal of toxicology and environmental health. Part A, 75(13-15), 878-892 (2012-07-14)
Characterization of water quality from indoor swimming pools, using chorine-based disinfection techniques, was performed during a 6-mo period to study the occurrence, distribution, and concentration factors of trihalomethanes (THM). Several parameters such as levels of water THM, water and air
Chlorodibromomethane.
IARC monographs on the evaluation of carcinogenic risks to humans, 71 Pt 3, 1331-1338 (1999-09-07)
Kaoru Sekihashi et al.
Mutation research, 517(1-2), 53-75 (2002-05-30)
Mice and/or rats are usually used to detect chemical carcinogenicity and it has been known that there are species differences in carcinogenicity. To know whether there are species difference in genotoxicity, we conducted comparative investigation of multiple organs of mice
M L Da Silva et al.
Journal of toxicology and environmental health. Part A, 60(5), 343-353 (2000-07-27)
The blood kinetics of trihalomethanes has recently been reported to differ between an oral administration of any single trihalomethane (0.25 mmol/kg) [THMs: chloroform, bromoform, bromodichloromethane (BDCM), dibromochloromethane (DBCM)] and a combined administration of 0.25 mmol/kg of each of the 4
M N Kostopoulou et al.
Chemosphere, 40(5), 527-532 (2000-02-09)
An investigation into the occurrence of volatile organic compounds (VOCs) was conducted for a period of two years in the surface waters of Northern Greece. Samples from four rivers and five lakes were taken seasonally and analyzed for VOCs. The
Mallika Panyakapo et al.
Journal of environmental sciences (China), 20(3), 372-378 (2008-07-04)
We investigated the concentration of trihalomethanes (THMs) in tap water and swimming pool water in the area of the Nakhon Pathom Municipality during the period April 2005-March 2006. The concentrations of total THMs, chloroform, bromodichloromethane, dibromochloromethane and bromoform in tap
R K Padhi et al.
Journal of water and health, 13(3), 838-847 (2015-09-01)
The change in water quality arising from the open storage of groundwater (GW) and its impact on chlorination and chlorination by-product formation were investigated. Water quality descriptors, such as temperature, pH, chlorophyll, and dissolved oxygen contents of GW undergo substantial
S Landi et al.
Mutagenesis, 14(5), 479-482 (1999-09-03)
The brominated trihalomethanes (THMs) are mutagenic and carcinogenic disinfection by-products frequently found in chlorinated drinking water. They can be activated to mutagens by the product of the glutathione S-transferase-Theta (GSTT1++-1) gene in Salmonella RSJ100, which has been transfected with this
Natalia Jakubowska et al.
Journal of chromatographic science, 47(8), 689-693 (2009-09-24)
In this study, stir-bar sorptive extraction and thermal desorption followed by gas chromatography coupled with high resolution mass spectrometry was applied for determination of halo-organic compounds (bromodichloromethane, dibromochloromethane, bromoform, and tetrachloroethylene) in water and human urine samples. Time of extraction
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