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[PDF] Top 20 Development and validation of a methodology FOR analysis of biodiesel: diesel blends using gas chromatography-mass spectrometry.

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Development and validation of a methodology FOR analysis of biodiesel: diesel blends using gas chromatography-mass spectrometry.

Development and validation of a methodology FOR analysis of biodiesel: diesel blends using gas chromatography-mass spectrometry.

... Dentre as ferramentas analíticas disponíveis para identificação e quantificação de compostos em misturas, pode-se destacar a Cromatografia Gasosa de Alta Resolução acoplada à Espectrometria de Massas (CGAR-EM), a ... See full document

6

Validation of biomarkers for distinguishing Mycobacterium tuberculosis from non-tuberculous mycobacteria using gas chromatography-mass spectrometry and chemometrics.

Validation of biomarkers for distinguishing Mycobacterium tuberculosis from non-tuberculous mycobacteria using gas chromatography-mass spectrometry and chemometrics.

... performance of our model for the Dutch testset-1 was similar to that achieved previously when measured with the Dutch training and validation set ...consist of locally occurring strains ... See full document

10

Development and validation of an analytical method for the simultaneous determination of cocaine and its main metabolite, benzoylecgonine, in human hair by gas chromatography/mass spectrometry.

Development and validation of an analytical method for the simultaneous determination of cocaine and its main metabolite, benzoylecgonine, in human hair by gas chromatography/mass spectrometry.

... simple and rapid procedure has been developed and validated for the determination of cocaine and its main metabolite, benzoylecgonine, in human hair ...mixture of methanol/hydrochloric ... See full document

7

The role of miniaturized systems in analytical toxicology: new psychoactive substances

The role of miniaturized systems in analytical toxicology: new psychoactive substances

... rest of the world, their abuse as well as their effects and consequences in the life of individuals and society, has become increasingly alarming and with great social impact, claiming ... See full document

157

Development of headspace solid-phase microextraction-gas chromatography–mass spectrometry methodology for analysis of terpenoids in Madeira wines

Development of headspace solid-phase microextraction-gas chromatography–mass spectrometry methodology for analysis of terpenoids in Madeira wines

... time of 3 min was used to avoid overloading the mass spectrometer with ...tification of the wine flavour compounds a solution of n-alkanes (n-octane-n-hexadecane) was injected in the GC–MS ... See full document

10

J. Braz. Chem. Soc.  vol.14 número3

J. Braz. Chem. Soc. vol.14 número3

... resolution gas chromatography-olfactometry-mass spectrometry and aroma extract dilution analysis identified the most potent substances in its aroma as ethyl butanoate (fruity, ... See full document

4

Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry

Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry

... results of the multivariate optimization for ephedrine are evident in the regions of the graph in Figure ...sensitivity and that volumes greater than 3 µL do not further affect the response (Figures ... See full document

8

J. Braz. Chem. Soc.  vol.21 número6

J. Braz. Chem. Soc. vol.21 número6

... portion of slurry previously homogenized was weighed in a 50 mL centrifuge ...milliliters of acetonitrile, containing 1% (v/v) of acetic acid, were then added to the sample, and the mixture ... See full document

6

A method for analysis of vanillic acid in polar ice cores

A method for analysis of vanillic acid in polar ice cores

... enrichment of ammonium, formate, and oxalate, and the transport of these chemicals to Summit, Greenland, in biomass burning plumes has been documented (Legrand et ...Savarino and ... See full document

6

Development and validation of an analytical method by RP-HPLC for quantification of sibutramine hydrochloride in pharmaceutical capsules

Development and validation of an analytical method by RP-HPLC for quantification of sibutramine hydrochloride in pharmaceutical capsules

... cation of sibutramine HCl in pharmaceutical capsules was developed and fully ...method validation according to the FDA and ICH specifications and the method shows accuracy, precision, ... See full document

6

Application of comprehensive two-dimensional gas chromatography (GC×GC) in the characterization of biodiesel/diesel blends: application to beef tallow biodiesel.

Application of comprehensive two-dimensional gas chromatography (GC×GC) in the characterization of biodiesel/diesel blends: application to beef tallow biodiesel.

... misturas biodiesel/ diesel como na determinação qualitativa e quantitativa da composi- ção do biodiesel ...do biodiesel de sebo bovino ... See full document

5

Development and validation of an HPLC-MS/MS method for the early diagnosis of aspergillosis.

Development and validation of an HPLC-MS/MS method for the early diagnosis of aspergillosis.

... diagnosis of invasive aspergillosis is often made late in the infection because of the lack of reliable and feasible diagnostic techniques; therefore, early detection is critical to begin ... See full document

9

J. Braz. Chem. Soc.  vol.27 número3

J. Braz. Chem. Soc. vol.27 número3

... dihydro-10,12-epoxy-5-methylbenzo[a]azulen-12-one and rel-(4bZ,6Z,8E,9aS,10S)-1-hydroxy- 9a,10-dihydro-4,11:10,12-diepoxy-benzo[a]azulen-11,12-dione, along with the known peptide derivative ... See full document

5

Development and validation of a method for analysis of organophosphate residues in milk using gas chromatography with flame photometric detection.

Development and validation of a method for analysis of organophosphate residues in milk using gas chromatography with flame photometric detection.

... DEVELOPMENT AND VALIDATION OF A METHOD FOR ANALYSIS OF ORGANOPHOSPHATE RESIDUES IN MILK USING GAS CHROMATOGRAPHY WITH FLAME PHOTOMETRIC ...implementation ... See full document

12

Rev. bras. farmacogn.  vol.25 número5

Rev. bras. farmacogn. vol.25 número5

... production of olive oil which is obtained in the absence of high temperatures, which increases the commercial value of the prod- uct (Kemper, ...simplicity of operation, quickly and ... See full document

4

Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting

Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting

... use of GC coupled to MS have allowed a chemically guided isolation of uncommon and bioactive ...extraction and screening of alkaloids from Epipremnum aureum (Linden and Andre) ... See full document

6

J. Braz. Chem. Soc.  vol.12 número4

J. Braz. Chem. Soc. vol.12 número4

... determination of 4-nonylphenol isomers and bisphenol-A in water is ...extraction of these compounds from water was carried out by an automated solid phase extraction (SPE) instrument, using an ... See full document

6

Aplication of chemometrics methods in characterization of cigar using matrix solid phase dispersion and gas chromatography-mass spectrometry.

Aplication of chemometrics methods in characterization of cigar using matrix solid phase dispersion and gas chromatography-mass spectrometry.

... APLICATION OF CHEMOMETRICS METHODS IN CHARACTERIZATION OF CIGAR USING MATRIX SOLID PHASE DISPERSION AND GAS CHROMATOGRAPHY-MASS ...compounds of cigar samples from ... See full document

8

Determination of polycyclic aromatic hydrocarbons in soil by gas chromatography-mass spectrometry

Determination of polycyclic aromatic hydrocarbons in soil by gas chromatography-mass spectrometry

... [r] ... See full document

11

Linking biogenic hydrocarbons to biogenic aerosol in the Borneo rainforest

Linking biogenic hydrocarbons to biogenic aerosol in the Borneo rainforest

... Jones, C., Karunaharan, A., Langford, B., Lewis, A. C., Lim, S. F., MacDonald, S. M., Ma- hajan, A. S., Malpass, S., McFiggans, G., Mills, G., Misztal, P., Moller, S., Monks, P. S., Nemitz, E., Nicolas-Perea, V., Oetjen, ... See full document

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