Eliminating interference from iron(III) for ultraviolet absorbance measurements of dissolved organic matter.

abstract：:A kinetic model with intrinsic reaction kinetics and a simplified model with apparent reaction kinetics for denitrification in upflow sludge bed (USB) reactors were proposed. USB-reactor performance data with and without sludge wasting were also obtained for model verification. An independent batch study showed that t...

journal_title：Chemosphere

authors： Ting WH,Huang JS

更新日期：2006-09-01 00:00:00

abstract：:A study was conducted in 1999 to determine the occurrence of alkylphenol polyethoxylates in the St. Lawrence River and their bioconcentration by mussels (Elliptio complanata). Concentrations of selected contaminants were measured in surface water, municipal effluent, sediments and mussels. Analyses were performed on 4...

journal_title：Chemosphere

authors： Sabik H,Gagné F,Blaise C,Marcogliese DJ,Jeannot R

更新日期：2003-05-01 00:00:00

abstract：:Rainwater is a matrix containing extremely low concentrations (in the range of muM C) of dissolved organic carbon (DOC) and for its characterization, an efficient extraction procedure is essential. A recently developed procedure based on adsorption onto XAD-8 and XAD-4 resins in series was used in this work for the ex...

journal_title：Chemosphere

authors： Santos PS,Otero M,Duarte RM,Duarte AC

更新日期：2009-02-01 00:00:00

abstract：:Phthalates (phthalate esters, PAEs) are commonly used as plasticizers and are emerging concerns worldwide for their potential influence on the environment and general public health. Thus, identification of the negative effects and involved mechanisms of PAEs is necessary. Herein, we found that embryonic exposure of ze...

journal_title：Chemosphere

authors： Qian L,Liu J,Lin Z,Chen X,Yuan L,Shen G,Yang W,Wang D,Huang Y,Pang S,Mu X,Wang C,Li Y

更新日期：2020-06-01 00:00:00

abstract：:Arsenic being a naturally-occurring groundwater contaminant is subject to stringent water quality regulations. Coagulation and adsorption are widely used methods to treat arsenic-contaminated water, however, these treatments have been reported to be less efficient for the removal of arsenite (As(III)) than arsenate (A...

journal_title：Chemosphere

authors： Li Y,Bland GD,Yan W

更新日期：2016-05-01 00:00:00

abstract：:Microplastics in the environment are either a product of the fractionation of larger plastic items or a consequence of the release of microbeads, which are ingredients of cosmetics, through wastewater treatment plant (WWTP) effluents. The aim of this study was to estimate the amount of microbeads that may be released ...

journal_title：Chemosphere

authors： Kalčíková G,Alič B,Skalar T,Bundschuh M,Gotvajn AŽ

更新日期：2017-12-01 00:00:00

abstract：:Chemically enhanced phytoextraction is achieved by the application of chelates to soils. Using pot experiments, the effect of the combined application of EDTA and EDDS on the uptake of Cu, Pb, Zn and Cd by Zea mays L. was studied. Among the tested application ratios of 1:1, 1:2, and 2:1 (EDTA/EDDS), 2:1 of EDTA:EDDS w...

journal_title：Chemosphere

authors： Luo C,Shen Z,Li X,Baker AJ

更新日期：2006-06-01 00:00:00

abstract：:Environmental pollution from lanthanides (Ln) has been recognized as a major problem due to a grab exploitation of Ln mine in China. Exposure to Ln has been demonstrated to cause the nephrotoxicity, very little is known about the mechanism of oxidative damage to kidney in animals. In order to understand Ln-induced nep...

journal_title：Chemosphere

authors： Zhao H,Hong J,Yu X,Zhao X,Sheng L,Ze Y,Sang X,Gui S,Sun Q,Wang L,Hong F

更新日期：2013-10-01 00:00:00

abstract：:This study investigates the geochemical characteristics of recent shallow-water aragonite-rich sediments from the karstic marine lakes located in the pristine environment on the island of Mljet (Adriatic Sea). Different trace elements were used as authigenic mineral formation, palaeoredox and pollution indicators. The...

journal_title：Chemosphere

authors： Sondi I,Mikac N,Vdović N,Ivanić M,Furdek M,Škapin SD

更新日期：2017-02-01 00:00:00

abstract：:Sulfonamides (SAs) are a group of antibiotic drugs widely used in veterinary medicine. The contamination of the environment by these pharmaceuticals has raised concern in recent years. However, knowledge of their (eco)toxicity is still very basic and is restricted to just a few of these substances. Even though their t...

journal_title：Chemosphere

authors： Białk-Bielińska A,Stolte S,Arning J,Uebers U,Böschen A,Stepnowski P,Matzke M

更新日期：2011-10-01 00:00:00

abstract：:Chelant assisted phytoextraction has been proposed to enhance the efficiency of remediation. This study evaluated the effects of biodegradable ethylene diamine tetraacetate (EDDS), nitrilotriacetic (NTA) and anionic polyacrylamide (APAM) on the tolerance and uptake of Siegesbeckia orientalis L. at 10 and 100 mg kg(-1)...

journal_title：Chemosphere

authors： Lan J,Zhang S,Lin H,Li T,Xu X,Li Y,Jia Y,Gong G

更新日期：2013-05-01 00:00:00

abstract：:This study investigated the accumulation and distribution of nickel in the leaves and roots of the Mediterranean shrub Alyssoides utriculata to assess its potential use in phytoremediation of Ni contaminated soils. Total (AAS and ICP-MS) Ni, Ca and Mg contents were analyzed in the plants and related to their bioavaila...

journal_title：Chemosphere

authors： Roccotiello E,Serrano HC,Mariotti MG,Branquinho C

更新日期：2015-01-01 00:00:00

abstract：:The importance of good indoor air quality for the health of the individual was recognized as long as 150 years ago and that period also saw recommendations, which essentially related to questions of ventilation and carbon dioxide. The first evaluation standards for organic and inorganic substances were laid down in th...

journal_title：Chemosphere

authors： Salthammer T

更新日期：2011-03-01 00:00:00

abstract：:Semi-volatile organic compounds (SVOCs) in indoor environments can partition among the gas phase, airborne particles, settled dust, and available surfaces. The mass transfer parameters of SVOCs, such as the mass transfer coefficient and the partition coefficient, are influenced by indoor environmental factors. Subsequ...

journal_title：Chemosphere

authors： Wei W,Mandin C,Ramalho O

更新日期：2018-03-01 00:00:00

abstract：:The inclusion complexes of beta-cyclodextrin-isoproturon were prepared using techniques such as kneading, co-evaporation, and co-precipitation. These complexes were characterised for physical properties and spectral studies such as UV, FTIR, and 1HNMR spectroscopy. To investigate the stoichiometry of the complexes Pha...

journal_title：Chemosphere

authors： Manolikar MK,Sawant MR

更新日期：2003-06-01 00:00:00

abstract：:The construction in Constanti (Catalonia, Spain) of a new hazardous waste incinerator (HWI), which is the first one in Spain, finished in 1999. In order to determine the temporal variation (1996-1998) in the concentrations of polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) in the vicinity of the ne...

journal_title：Chemosphere

authors： Schuhmacher M,Agramunt MC,Rodriguez-Larena MC,Díaz-ferrero J,Domingo JL

更新日期：2002-03-01 00:00:00

abstract：:Particle toxicity and metal ions from the dissolution of metallic nanoparticles (NPs) can have environmentally toxic effects. Among the diverse metallic NPs, four types of zinc oxide NPs (ZnO-NPs)-two spherical (diameters <50 nm and <100 nm) and two wire (50 nm × 300 nm and 90 nm × 1000 nm) shaped-were examined using ...

journal_title：Chemosphere

authors： Kim S,Chae Y,Kang Y,An YJ,Yoon Y

更新日期：2016-11-01 00:00:00

abstract：:In this work, the photocatalytic degradation of aqueous microcystin-LR was studied using TiO(2) and ZnO as photocatalysts. The process was optimised and characterised at the bench scale (200 mL); both semiconductors exhibited a high degradation capacity at reaction times of 1 min (degradation greater than 95%). The tr...

journal_title：Chemosphere

authors： Jacobs LC,Peralta-Zamora P,Campos FR,Pontarolo R

更新日期：2013-01-01 00:00:00

abstract：:A field survey of metal concentrations and arbuscular mycorrhizal (AM) components of plants growing on five mining sites was conducted in Chenzhou City, Hunan Province, Southern China and a control site in Hong Kong. Significant differences were observed in the average concentrations of total heavy metals (Pb, Zn, Cu,...

journal_title：Chemosphere

authors： Leung HM,Ye ZH,Wong MH

更新日期：2007-01-01 00:00:00

abstract：:Zinc (Zn) and cadmium (Cd) are two closely related chemical elements with very different biological roles in photosynthesis. Zinc plays unique biochemical functions in photosynthesis. Previous studies suggested that in some Zn/Cd hyperaccumulators, many steps in photosynthesis may be Cd tolerant or even Cd stimulated....

journal_title：Chemosphere

authors： Tang L,Yao A,Ming Yuan,Tang Y,Liu J,Liu X,Qiu R

更新日期：2016-12-01 00:00:00

abstract：:This study was conducted to determine and compare the concentrations of mercury (Hg), cadmium (Cd), arsenic (As), lead (Pb), nickel (Ni), iron (Fe), zinc (Zn), copper (Cu), manganese (Mn), cobalt (Co), and selenium (Se) in the muscle of wild and farmed carp (Cyprinus carpio) and wild and farmed Caspian kutum (Rutilus ...

journal_title：Chemosphere

authors： Heshmati A,Karami-Momtaz J,Nili-Ahmadabadi A,Ghadimi S

更新日期：2017-04-01 00:00:00

abstract：:Seven compounds with different lipophilicities and structures--1,3,5-trichlorobenzene, pentachlorobenzene, acenaphthylene, 1,4-dimethyl-2-(1-methylphenyl)benzene, 4-ethylbiphenyl, 4,4'-dibromobiphenyl, and 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane--were subjected to bioconcentration tests in carp at concentrations...

journal_title：Chemosphere

authors： Yakata N,Sudo Y,Tadokoro H

更新日期：2006-09-01 00:00:00

abstract：:Chlorine disinfection inactivates pathogens in drinking water, but meanwhile it causes the formation of halogenated disinfection byproducts (DBPs), which may induce adverse health effects. Humans are unavoidably exposed to halogenated DBPs via tap water ingestion. Boiling of tap water has been found to significantly r...

journal_title：Chemosphere

authors： Liu J,Li Y,Jiang J,Zhang X,Sharma VK,Sayes CM

更新日期：2020-09-01 00:00:00

abstract：:Adsorption properties of Co2+, Ni2+, and Cr3+ on an Amberlite IRN-77 cation exchange resin were investigated in batch systems. Levels of adsorption rapidly approached an equilibrium state within 1 h. The adsorption characteristics of each metal onto the resin were accurately represented by Langmuir isotherms. Co2+ and...

journal_title：Chemosphere

authors： Kang SY,Lee JU,Moon SH,Kim KW

更新日期：2004-07-01 00:00:00

abstract：:The secondary metallurgy industry is considered as one source of polychlorinated dibenzo-p-dioxin and dibenzofurans (PCDD/Fs). This study investigated the emission factors and total emissions amounts of PCDD/Fs and dioxin-like polychlorinated biphenyls (dioxin-like PCBs) released from secondary aluminum and copper met...

journal_title：Chemosphere

authors： Ba T,Zheng M,Zhang B,Liu W,Xiao K,Zhang L

更新日期：2009-05-01 00:00:00

abstract：:Currently, exploring effective measures to reduce multiple toxic metals accumulation in rice grains is an urgent issue to be tackled. Pot experiments were thus conducted to explore the effects and mechanisms of foliar spraying with composite sols of silicon (Si) and selenium (Se) during tillering to booting stage on d...

journal_title：Chemosphere

authors： Wang C,Rong H,Zhang X,Shi W,Hong X,Liu W,Cao T,Yu X,Yu Q

更新日期：2020-07-01 00:00:00

abstract：:Aqueous solubilities of four non-ortho and eight mono-ortho substituted PCBs were determined using a generator-column technique followed by subsequent off-line GC/ECD analysis of the aqueous solutions. The method is based on pumping water through a column containing glass beads coated with the congener being studied a...

journal_title：Chemosphere

authors： Hong CS,Qiao H

更新日期：1995-12-01 00:00:00

abstract：:A method was developed to study reductive transformation of highly brominated diphenyl ethers (BDEs). The method development is a part of a broader project where it will be used to determine the susceptibility of environmental pollutants to reductive conditions, in an attempt to create a scheme for determination of ch...

journal_title：Chemosphere

authors： Granelli L,Eriksson J,Athanasiadou M,Bergman Å

更新日期：2011-02-01 00:00:00

abstract：:The widespread implementation of antiretroviral therapy medication has made antiretroviral drugs (ARVDs) a significant pharmaceutical class in regions of high HIV infection rates. However, relatively little is known regarding the environmental occurrence of these emerging contaminants, and this is especially true for ...

journal_title：Chemosphere

authors： Mosekiemang TT,Stander MA,de Villiers A

更新日期：2019-04-01 00:00:00

abstract：:Evaluation of adsorption performance of several industrially manufactured pectins towards some toxic heavy metals was carried out. Adsorption isotherms for divalent cations in simulant aqueous solutions were measured and corresponding distribution coefficients were calculated. The following selectivity sequences we fo...

journal_title：Chemosphere

authors： Kartel MT,Kupchik LA,Veisov BK

更新日期：1999-05-01 00:00:00