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Flame ionization detection

Análise de plastificantes ftálicos em brinquedos através de cromatografia gasosa com detecção por ionização de chama / Analysis of phthalic plastifiers in toys through gas chromatography with flame ionization detection

Análise de plastificantes ftálicos em brinquedos através de cromatografia gasosa com detecção por ionização de chama / Analysis of phthalic plastifiers in toys through gas chromatography with flame ionization detection

... Phthalates are a group of chemical compounds derived from the phthalic ester used as additives to make plastic more malleable, such as children's toys and utensils. INMETRO establishes as a criterion for acceptance of ...

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Validation of new gas chromatography-flame ionization detection procedure for quantitation of residual solvents in [18F]FDG

Validation of new gas chromatography-flame ionization detection procedure for quantitation of residual solvents in [18F]FDG

... The Clarus 580 gas chromatograph (Perkin Elmer, USA) equipped with a flame ionization detector and an autosampler was used in this work. Data acquisition and processing were performed using the TotalChrom ...

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J. Braz. Chem. Soc.  vol.21 número3

J. Braz. Chem. Soc. vol.21 número3

... warranted. Flame ionization detection is the most convenient method to analyze food fatty acids by gas ...the flame ionization detector response is differential, that is, the magnitude ...

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Development, Optimization and Validation of a GC Method by Polarity Phase Constants and Statistical Design of Experiments for the Determination of Monoterpenes in Alpinia zerumbet Essential Oil

Development, Optimization and Validation of a GC Method by Polarity Phase Constants and Statistical Design of Experiments for the Determination of Monoterpenes in Alpinia zerumbet Essential Oil

... In this report, a rapid and selective analytical method for the determination of monoterpenes in Alpinia zerumbet essential oil (AZEO) by gas chromatography (GC) flame ionization detection (FID) was ...

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J. Braz. Chem. Soc.  vol.19 número6

J. Braz. Chem. Soc. vol.19 número6

... with flame ionization detection (GC-FID) was developed and validated in order to determine the sixteen US EPA PAH (polynuclear aromatic hydrocarbons) compounds in water ...

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J. Braz. Chem. Soc.  vol.26 número2

J. Braz. Chem. Soc. vol.26 número2

... The essential oil of roots of Jatropha ribifolia, obtained by hydrodistillation, was characterized in terms of its chemical composition by chromatographic method with flame ionization detection ...

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Determination of methyl ethyl ketone in urine samples by headspace solid phase micro extraction (SPME) sampling associated to gas chromatography with flame-ionization detectoR (GC-FID).

Determination of methyl ethyl ketone in urine samples by headspace solid phase micro extraction (SPME) sampling associated to gas chromatography with flame-ionization detectoR (GC-FID).

... DETERMINATION OF METHYL ETHYL KETONE IN URINE SAMPLES BY HEADSPACE SOLID PHASE MICRO EXTRACTION (SPME) SAMPLING ASSOCIATED TO GAS CHROMATOGRAPHY WITH FLAME-IONIZATION DETECTOR (GC-FID). Methyl ethyl ketone ...

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Quím. Nova  vol.30 número4

Quím. Nova vol.30 número4

... The aim of the present study was to determine 2,5-hexanedione (2,5-HD), a metabolite of n-hexane, by gas chromatography/flame ionization detection in 31 workers exposed to n-hexane after two types of ...

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Lipidomic Analysis of Chlamydomonas reinhardtii under Nitrogen and Sulfur Deprivation.

Lipidomic Analysis of Chlamydomonas reinhardtii under Nitrogen and Sulfur Deprivation.

... Next, we set out to annotate individual precursor ions by lipid structures. Classical algal lipid analysis involves transmethylation of complex lipids to fatty acid methyl ester (FAME) and quantification of the ...

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Thermal properties of flame retardant cotton fabric grafted by dimethyl methacryloyloxyethyl phosphate

Thermal properties of flame retardant cotton fabric grafted by dimethyl methacryloyloxyethyl phosphate

... and flame retardance measurements indicated that the flame retardant cotton fabric grafted by DMMEP via ATRP method had certain flame retardance and washing dura- ...DMMEP flame retardant on ...

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J. Aerosp. Technol. Manag.  vol.9 número2

J. Aerosp. Technol. Manag. vol.9 número2

... he experimental apparatus for the tests is presented in Fig. 5 with the ionization sensor positioned at the end of the driven. hree piezoelectric sensors type PCB 113B26 (PCB Piezotronics 2013) were used to ...

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Determination of ethanol and related volatile compounds in blood and oral fluid by headspace solid-phase micro extraction associated to gas chromatography with flame-ionization detector.

Determination of ethanol and related volatile compounds in blood and oral fluid by headspace solid-phase micro extraction associated to gas chromatography with flame-ionization detector.

... DETERMINATION OF ETHANOL AND RELATED VOLATILE COMPOUNDS IN BLOOD AND ORAL FLUID BY HEADSPACE SOLID-PHASE MICRO EXTRACTION ASSOCIATED TO GAS CHROMATOGRAPHY WITH FLAME- IONIZATION DETECTOR. The aim of this ...

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Armazenamento refrigerado de pomelos variedades flame e henderson revestidos com cera.

Armazenamento refrigerado de pomelos variedades flame e henderson revestidos com cera.

... Objetivou-se, neste trabalho, estudar a conservação de pomelos (Citrus paradisi Macfad.) varieties ‘Flame’ e ‘Henderson’ revestidos com cera Sparcitrus e mantidos sob refrigeração (8º C ± 1º C e 95% ± 5% UR). Para ...

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Braz. J. Phys.  vol.34 número4B

Braz. J. Phys. vol.34 número4B

... can be attributed to the increase in the collision frequency between electrons and neutral atoms or molecules. Howe- ver, on the right side of the minimum, the breakdown vol- tage increases gradually when increasing Pd, ...

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Comparative studies of the sample decomposition of green and roasted coffee for determination of nutrients and data exploratory analysis

Comparative studies of the sample decomposition of green and roasted coffee for determination of nutrients and data exploratory analysis

... This paper reports on the evaluation of wet digestion procedures for the analysis of green and roasted coffees using open vessels in digester heating block and closed vessels heated in a conventional microwave oven ...

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The airborne mass spectrometer AIMS – Part 2: Measurements of trace gases with stratospheric or tropospheric  origin in the UTLS

The airborne mass spectrometer AIMS – Part 2: Measurements of trace gases with stratospheric or tropospheric origin in the UTLS

... are the main components in the reactive chlorine budget in the stratosphere, and thus once activated, chlorine partici- pates in catalytic ozone depletion cycles (Seinfeld and Pan- dis, 1998). Furthermore, HCl can be ...

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J. Braz. Chem. Soc.  vol.23 número1

J. Braz. Chem. Soc. vol.23 número1

... including flame atomic absorption spectrometry (FAAS), graphite furnace atomic absorption spectrometry (GFAAS), inductively coupled plasma optical emission spectrometry (ICP OES), inductively coupled plasma mass ...

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Evaluating lane-by-lane gap-out based signal control for isolated intersection under stop-line, single and multiple advance detection systems

Evaluating lane-by-lane gap-out based signal control for isolated intersection under stop-line, single and multiple advance detection systems

... The simulation results presented in this paper were performed on a hypothetical intersection, in the German traffic simulator VISSIM, as it allows the users to access the vehicle information from the detectors and ...

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A System to Detect Residential Area in Multispectral Satellite Images

A System to Detect Residential Area in Multispectral Satellite Images

... the detection of shadows [12,14] or a combination of both [12], and the third is based on shape detection ...a detection of the bounding boxes of the roofs is ...

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