[PDF] Top 20 Diferenças de género na procura do turismo em espaço rural
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Assessment of Pesticide Residues in Some Fruits Using Gas Chromatography Coupled with Micro Electron Capture Detector
... column chromatography, liquid-liquid ...out pesticide in fruits rooted in liquid-liquid partitioning by means of organic solvents such as dichloromethane and ethyl acetate [9, ...of pesticide ... See full document
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Monitoring of Pesticide Residues in Commonly Used Fruits in Hyderabad Region, Pakistan
... in some commonly used fruits in Hyderabad region, Pakistan. Gas chromatography coupled with micro electron capture detector was used to assess the levels of ... See full document
100
Assessment of Lindane and Atrazine Residues in Maize Produced in Ghana Using Gas Chromatography Electron Capture Detector (GC ECD) and Gas Chromatography Mass Spectrometry (GC MS)
... organochlorines pesticide residue data in maize from the study area while Table 4 represents the estimated dose values and health hazards associated with these chemical resi- dues in maize from the study ...little ... See full document
8
Determination of Chloropyrifos in Fruits and Vegetables by Using Analytcal Techniques
... other pesticide interferences.The method was applied to various fruits and vegetables procured at various agricultural fields at sabbavaram area,Visakhapatnam,India and found ...on fruits and ... See full document
6
PESTICIDES: AN OVEREVIEW
... As the human population continues to grow, more and more crops are needed to meet this growing demand. This has increased the use of pesticides to increase crop yield per acre. For sample, many farmers will plant a field ... See full document
7
Gel Permeation Chromatography Purification and Gas Chromatography Mass Spectrometry Detection of Multi Pesticide Residues in Traditional Chinese Medicine
... the abundance of characteristic ions of each pesticide. For the quantitative analysis of pesticides, the simul- taneous full scan and selected ion monitor (scan/SIM) mode were used, which not only provide ... See full document
63
Ways of Analysis of Fire Effluents and Assessment of Toxic Hazards
... properties. Some of them are corrosive while others are unstable or condensable vapours (including water) and aerosols which are not readily or clearly ...cases, gas products are hot at the sampling point ... See full document
204
Assessment of Pesticide Residues in Some Commonly Cultivated Vegetables in Doma Metropolis, Nasarawa State, Nigeria
... of residues detected in this work was lower compared to ...Cyhalothrin residues were diminutive in wet juice across plants samples of the three communities of the study ...the pesticide by farmers ... See full document
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TRACE LEVEL QUANTIFICATION OF CYPIONYL CHLORIDE IN TESTOSTERONE CYPIONATE BY PRE COLUMN DERIVATIZATION WITH 2 BUTANOL BY GAS CHROMATOGRAPHY WITH ELECTRON IMPACT IONIZATION DETECTOR
... In scan mode the homogeneity of peak was passed and selected mass numbers observed in SIM mode i.e. 125/100 (ms), 143/100 (ms) and 169/100 (ms). The Testosterone cypionate peak was not observed in TIC because the ... See full document
14
Development of Gas Chromatographic Method with Electron Capture Detector for Determination of Some PCDDs in Wheat and Rice Grain Matrix
... The control and blank (solvent) were also run in order to assess the efficiency and purity of materials. No contamination peak was observed apart from two peaks emerged just after peak of solvent; however, those might ... See full document
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Review of frequency pulsed electron capture gas liquid chromatography studies of diarrheal diseases caused by members of the family Enterobacteriaceae, Clostridium difficile, and rotavirus
... Rapid differentiation of enterotoxigenic Escherichia coli that produce heat-stable and heat-labile toxins by frequencypulsed electron capture gas-liquid chromatography analysis of diarrh[r] ... See full document
20
Hollow Fiber Microporous Membrane Liquid Liquid Extraction for Determination of Polybrominated Diphenyl Ethers at Trace Levels in Sewage Sludge with Gas Chromatography Electron Capture Detection
... Analysis of high molecular weight PBDE (nona- and decaBDE) congeners poses some problems. These com- pounds are sensitive to light and adsorb to glass surfaces and small dust particles. In general, the ... See full document
204
CONTAMINATION LEVELS OF SELECTED ORGANOCHLORINE AND ORGANOPHOSPHOROUSPESTICIDES IN GHANAIAN FRUITS AND VEGETABLES
... pesticides residues in fruits and vegetables collected from Shanghai and Yixing, ...organochlorine residues in fruits and vegetables at Eastern Romania, it was concluded that organochlorine ... See full document
14
Calcium alginate caged multiwalled carbon nanotubes for the pre-concentration of polycyclic aromatic hydrocarbons from environmental water samples
... In this study, a novel application dispersive micro solid-phase extraction (D- µ-SPE) based on alginate multiwalled carbon nanotube beads (Ca-Alg-MWCNTs) as active adsorbent is presented. The dispersion of the ... See full document
6
Rapid diagnosis of tuberculous meningitis by frequency pulsed electron capture gas liquid chromatography detection of carboxylic acids in cerebrospinal fluid
... The frequency-pulsed electron-capture gas-liquid chromatography profile of carboxylic acids C2 through C22 along with identification of tuberculostearic acid, established by retention ti[r] ... See full document
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Rapid differentiation of the major causative agents of bacterial meningitis by use of frequency pulsed electron capture gas liquid chromatograph: analysis of acids
... Rapid Differentiation of the Major Causative Agents of Bacterial Meningitis by Use of Frequency-Pulsed Electron Capture Gas-Liquid Chromatography: Analysis of Acids J.. ALLEY Center for [r] ... See full document
114
Electron Capture Gas Liquid Chromatographic Study of Metabolites Produced by Some Arthritic Transudate Associated Organisms In Vitro and In Vivo in Rabbit Models
... Computerized, frequency-pulsed, modulated electron capture gas-liquid chromatography was used to study the acid metabolites produced in vitro in fetal calf serum and in vivo in an animal[r] ... See full document
72
Identification of Neisseria by electron capture gas liquid chromatography of metabolites in a chemically defined growth medium
... The resulting spent culture medium electron capture gas-liquid chromatography profiles showed several qualitative and significant quantitative differences among the Neisseria species pot[r] ... See full document
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Analytical Techniques for Identification and Quantification of Polycyclic Aromatic Hydrocarbons
... PAHs, for the separation of the individual PAHs the reversed phase HPLC system was prepared, the column (150 mm 5 μm HPLC) filled with C18 silica gel. The temperature of the column during the analysis was 30°C. Elution ... See full document
43
Determination of pyrethroid pesticide residues in rice by gas chromatography tandem mass spectrometry
... Pyrethroids are organic synthetic insecticides that are widely used for the protection of crops and food storage against insects and acarids [1]. Pyrethroids are derived from natural pyrethrin, and their use has ... See full document
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