Determination of endocrine disrupting compounds in environmental samples using microextraction combined with gas chromatography mass spectrometry
Determination of endocrine disrupting compounds in environmental samples using microextraction combined with gas chromatography mass spectrometry
... DETERMINATION OF ENDOCRINE DISRUPTING COMPOUNDS IN ENVIRONMENTAL SAMPLES USING MICROEXTRACTION COMBINED WITH CHROMATOGRAPHY/ MASS SPECTROMETRY CHANBASHA BASHEER ... Balasubramanian, H K Lee Determination of organic micropollutants in rainwater using hollow fiber membrane/liquid-phase microextraction combined with gas chromatography mass spectrom...
Ngày tải lên: 16/09/2015, 17:12
Removal of endocrine disrupting compounds in municipal wastewater by membrane bioreactor (MBR) systems
... REMOVAL OF ENDOCRINE DISRUPTING COMPOUNDS IN MUNICIPLE WASTEWATER BY MEMBRANE BIOREACTOR SYSTEMS CHEN XIA (B Eng., Tongji Univ.; M Sc., Stuttgart Unv.) A THESIS SUBMITTED FOR THE DEGREE OF ... contains thousands of compounds Some of the synthetic organic compounds that are common in treated wastewater have been shown in laboratory studies to induce endoc...
Ngày tải lên: 14/09/2015, 14:03
A NATIONWIDE SURVEY OF ENDOCRINE DISRUPTING CHEMICALS IN SOURCE AND DRINKING WATERS IN JAPAN
... treatment plants are conducting periodical monitoring of monitoring items included in Japanese water quality standard Sampling points were shown in Figure Analyzed Chemicals Target chemicals are selected, ... To minimize analytical variations between samples, samples were divided into professional analytical centers and the same group of substances was analyzed in the same lab...
Ngày tải lên: 05/09/2013, 08:40
Determination of EDTA in Water Samples by SPE-Gas Chromatography/Mass Spectrometry
... concentration of EDTA (443 μg/L) was observed in a Table - Table – Recovery of EDTA fromtap water samples and tap water Recovery of EDTA from Milli-Q water and Milli-Q water Recovery of triplicate samples ... an EDTA analytical method to the Japanese Standard Methods for the Examination of Water Occurrence of EDTA in river water samples from three r...
Ngày tải lên: 05/09/2013, 10:15
DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... METHOD 525.2 DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY 1.0 SCOPE AND APPLICATION 1.1 This ... procedures for determination of organic compounds in finished drinking water, source water, or drinking water in any treatment stage The method is appl...
Ngày tải lên: 22/03/2014, 14:20
A review on sample preparation and chromatographic determination of acephate and methamidophos in different samples
... that was done on Applesauce, Figure Study of acephate and methamidophos in food Grains (PDPAS) during 2008 and 2006 A review on sample preparation and chromatographic determination was developed ... of quantification were lg/L and lg/L, respectively (Araoud et al., 2010) 4.2 Determination of acephate and methamidophos in human and animal urine A...
Ngày tải lên: 02/09/2015, 13:47
DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc
... 310 DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS APPLICABILITY 1.1 This method (Method 310) applies to the determination ... determination of the percent by weight of: (1) volatile organic compounds (VOC) in consumer products, antiperspirant and deod...
Ngày tải lên: 14/03/2014, 20:20
Báo cáo khoa học: "Effects of endocrine disrupting chemicals on expression of phospholipid hydroperoxide glutathione peroxidase mRNA in rat testes" pdf
... rednu ega-fo-skeew ta dezinahtue erew star ehT noitanimaxe lacigolotsiH )32-68# HIN ot gnidrocca ,eettimmoC eraC laminA ytisrevinU lanoitaN kubgnuhC( ’slaminA fo esU dna eraC rof ediuG‘ htiw ecnailpmoc ... erew stnemirepxe lamina llA doirep emas eht rof )elcihev eht( lio nroc deviecer slamina lortnoC )ASU( amgiS morf deniatbo erew slacimehc llA skeew rof yliad star eht ot deretsinimda yllaro...
Ngày tải lên: 07/08/2014, 20:23
Surface functionalized magnetic nanoparticles for separation of chiral biomolecules, pharmaceuticals and endocrine disrupting compounds
... of magnetic separation, reviews previous work on magnetic separation and introduces the recent progress in separation of chiral biomolecules, pharmaceuticals, endocrine disrupting compounds and ... SURFACE FUNCTIONALIZED MAGNETIC NANOPARTICLES FOR SEPARATION OF CHIRAL BIOMOLECULES, PHARMACEUTICALS AND ENDOCRINE DISRUPTING COMPOUNDS SUDIP...
Ngày tải lên: 09/09/2015, 17:57
Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 6
... study the degradation behavior in ultrapure water, drinking water, rain water, river water and seawater under various pH and irradiation sources (sunlight, darkness, indoor incandescent lighting and ... propham (66 %), which probably underwent thermal degradation under the extraction conditions The results indicate that although carbamates tested in this study are thermally...
Ngày tải lên: 16/09/2015, 17:13
Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 5
... freedom for the assignment of the variables under consideration The assignment of the main variables (A, B, C and D), two-variable interaction, and the level setting values of the main variables ... optimization of the MAE conditions To apply these techniques in practical applications, in this chapter I 138 demonstrated the application of these techniques...
Ngày tải lên: 16/09/2015, 17:13
Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 4
... 88 An interesting result observed from Fig 4- 6 is that in the same solvent, the recovery increases in going from PAHs to PCBs, and then to triazines (i.e, increasing polarity of analyte) The recovery ... 88.1±3.7 89.8±3.2 91 .4 3.0 93.5 4. 5 41 .0±3.8 18 .4 4. 0 10 80.0±3.6 84. 2 4. 5 89.2±5.0 90.2 4. 0 93.2±2.9 94. 6±3.7 36.8±2.8 15.2±2 .4 15 79 .4 5.0 84. 6±3.6 86.6±3.6 87...
Ngày tải lên: 16/09/2015, 17:13
Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 3
... 160.9 31 8.2 250.6 53. 3 3. 07 2.1 1. 43 60 52 45 * at pH 10.5, units of k and t1/2 are s-1 and s, respectively a incandescent lighting 64 3. 3 .3 Degradation of Propoxur in Natural Water In order to provide ... light intensity affects the K and t½ in each natural water sample K increases and t½ decreases accordingly when the light intensity increases in the ord...
Ngày tải lên: 16/09/2015, 17:13
Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 2
... levels of the target analysts in soil samples before spiking 2. 3 .2. 2 Freshly spiked soils Freshly spiked soil samples were prepared by adding an appropriate volume of spiking solutions into the ... possible traces of PAHs, PCBs, triazines, carbamates and other organic contaminants, 100 g of each of the soil sample was immersed in 20 0 ml 46 each of methanol,...
Ngày tải lên: 16/09/2015, 17:13