[PDF] Top 20 SPME Fiber Evaluation for Volatile Organic Compounds Extraction from Acerola
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SPME Fiber Evaluation for Volatile Organic Compounds Extraction from Acerola
... Volatile organic compounds (VOCs) were isolated from acerola fruits (Malpighia emarginata ...the extraction, the headspace SPME method was used, identifying the VOCs by ... See full document
9
Validation of a method for the analysis of volatile organic compounds in water
... In SPME analytes are extracted from the matrix by fused silica fiber coated with a polymeric stationary ...phase. SPME can be performed in two ways, immersion or direct sampling and head space ... See full document
156
Head Space-Trap GC-MS method development and validation for the analysis of volatile organic compounds in water samples
... using SPME as sample preparation technique (chapter ...the extraction of analytes from the sample matrix to a liquid or solid coating supported on glass or fused silica ...coated fiber is ... See full document
99
Optimization of the HS-SPME-GCMS technique for determining volatile compounds in red wines made from Isabel grapes (Vitis labrusca)
... most volatile compounds, the SPME fiber with a PDMS/CAR/DVB coating exhibited a higher compound sorption capacity compared to the CAR/PDMS ...the extraction process of volatiles ... See full document
7
HS-SPME optimization and extraction of volatile compounds from soursop (Annona muricata L.) pulp with emphasis on their characteristic impact compounds
... the fiber in injector of gas chromatograph for desorption of analytes is also an important ...The fiber exposure time in the injector for all experiments was 7 min, which is much higher than required for ... See full document
11
Comparison of two extraction methods for evaluation of volatile constituents patterns in commercial whiskeys Elucidation of the main odour-active compounds
... the SPME fibre, extractions were performed at 5, 15, 30, 45 and 60 min ...an extraction time of 60 min were chosen as the optimized conditions to carry- ing the analysis of all the whiskey samples under ... See full document
13
Passiflora species in Brazil and much appreciated
... major volatile compounds identified in yellow passion fruit juice belong to the methyl and ethyl esters (WERKHOFF et ...individual volatile compounds related to the aroma profile in food ... See full document
8
Evaluation of Benzene Derivatives Migration from Solid Residuals by Alternative Leaching Process Using HS‑SPME GC‑MS
... headspace extraction (ZHE) approach with solid-phase microextraction followed by analysis via gas chromatography- mass spectrometry was developed, for the determination of aromatic chlorinated and non- chlorinated ... See full document
9
J. Braz. Chem. Soc. vol.26 número11
... Volatile organic compounds (VOCs) from ten endophytic fungal species belonging to the Botryosphaeriaceae family were extracted by headspace-solid phase micro-extraction (HS-SPME) ... See full document
6
Honey volatiles as a fingerprint for botanical origin: a review on their occurrence on monofloral honeys
... of volatile compounds from a complex matrix like honey is very difficult and so different methods can be used, with different degrees of selectivity and efficacy ...based extraction ... See full document
32
Stable carbon isotope ratios of ambient aromatic volatile organic compounds
... Anthropogenic volatile organic compounds (VOC) are im- portant pollutants that play key roles in the production of ozone and in aerosol formation, and they significantly af- fect regional air quality ... See full document
18
J. Braz. Chem. Soc. vol.22 número12
... between extraction temperature-extraction time, extraction temperature-desorption time, extraction time-desorption time are statistically significant in the extraction efficiency’s ... See full document
7
EVALUATION OF TO-15 METHOD EFICIENCY TO DETERMINE VOLATILE ORGANIC COMPOUNDS IN TYPICAL URBAN CONDITIONS.
... DETERMINE VOLATILE ORGANIC COMPOUNDS IN TYPICAL URBAN ...target compounds, replicate precision for a calibration standard and ambient samples within ...target compounds during storage ... See full document
9
Extraction of homologous and isomeric organic compounds by two-phase aqueous extraction.
... ISOMERIC ORGANIC COMPOUNDS BY TWO-PHASE AQUEOUS ...micelle-mediated extraction for selective separation of homologous or isomeric organic compounds is ...controlling extraction ... See full document
7
Associated Health Effects among Residences Near Jeleeb Al-Shuyoukh Landfill
... There are two major sources of contaminants in municipal landfills and dumpsites: leachate and landfill gas. Each is composed of different contaminants and each poses its own set of management burdens for the development ... See full document
7
Fluxes and concentrations of volatile organic compounds from a South-East Asian tropical rainforest
... Aerosols from Nature (MEGAN G06) (Guenther et ...prene from the world’s tropical forests are, in part, based on standardised emission rates calculated using measurements conducted in ...climatology ... See full document
22
Volatile organic compounds in induced plant defense against herbivorous insects.
... VOLATILE ORGANIC COMPOUNDS IN INDUCED PLANT DEFENSE AGAINST HERBIVOROUS ...chemical compounds involved in vital activities of arthropods have the potential for developing less aggressive pest ... See full document
11
Occupational exposure to volatile organic compounds in the naval industry.
... TO VOLATILE ORGANIC COMPOUNDS IN THE NAVAL ...the evaluation of the concentration of some volatile organic compounds in the internal environmental air of a naval shipyard ... See full document
3
Urinary Volatile Organic Compounds for the Detection of Prostate Cancer.
... These two techniques were chosen because of their complementary nature i.e. LDA is a sin- gle classifier which uses a linear decision boundary and has the virtue of simplicity when it works, whereas, and in contrast, the ... See full document
15
Ambiental volatile organic compounds in the megacity of São Paulo.
... 1986. From then on, the sales of car that use only ethanol have decreased and about 17% of the fleet produced in 2004 use ethanol as fuel (statistics provided by Brazilian Automotive Industry, 2004 - ANFAVEA – ... See full document
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