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Methodology for the extraction clean-up and quantification of polycyclic aromatic hydrocarbons in urban particulate matter
(SOCIEDAD CHILENA DE QUIMICA, 2002)
A reliable methodology for identification and quantification of Polycyclic Aromatic ydrocarbons (PAHs) in atmospheric aerosols has been developed, using extraction with dichloromethane, a clean-up step for purification ...
Extraction and clean-up procedure for analysis of organochlorine pesticide residues in ethoxylated lanolin
(Elsevier B.V., 2000-09-01)
In the present study an evaluation was made of a method for the determination of organochlorine pesticide residues in ethoxylated lanolin. Samples were homogenized with Celite, transferred to chromatographic columns, ...
Extraction and clean-up procedure for analysis of organochlorine pesticide residues in ethoxylated lanolin
(Elsevier B.V., 2000-09-01)
In the present study an evaluation was made of a method for the determination of organochlorine pesticide residues in ethoxylated lanolin. Samples were homogenized with Celite, transferred to chromatographic columns, ...
Methodology for the extraction, clean-up and quantification of polycyclic aromatic hydrocarbons in urban particulate matter.
(SOCIEDAD CHILENA DE QUIMICA, 2002-12)
A reliable methodology for identification and quantification of Polycyclic Aromatic Hydrocarbons (PAHs) in atmospheric aerosols has been developed, using extraction with dichloromethane, a clean-up step for purification ...
An overview of the main foodstuff sample preparation technologies for tetracycline residue determination
(Elsevier Science, 2018-05)
Tetracyclines are widely used for both the treatment and prevention of diseases in animals as well as for the promotion of rapid animal growth and weight gain. This practice may result in trace amounts of these drugs in ...
Automated two-dimensional separation flow system with electrochemical preconcentration, stripping, capillary electrophoresis and contactless conductivity detection for trace metal ion analysis
(WILEY-BLACKWELL, 2011)
This paper describes the automation of a fully electrochemical system for preconcentration, cleanup, separation and detection, comprising the hyphenation of a thin layer electrochemical flow cell with CE coupled with ...
Ethyl Carbamate Analysis in German Fruit Spirits and Brazilian Sugarcane Spirits (Cachaca): Improved Sample Cleanup with Automated Parallel Evaporation
(Wissenschaftliche Verlag Mbh, 2009-08-01)
The analysis of alcoholic beverages for the important carcinogenic contaminant ethyl carbamate is very time-consuming and expensive. Due to possible matrix interferences, sample cleanup using diatomaceous earth (Extrelut) ...
Ethyl Carbamate Analysis in German Fruit Spirits and Brazilian Sugarcane Spirits (Cachaca): Improved Sample Cleanup with Automated Parallel Evaporation
(Wissenschaftliche Verlag Mbh, 2009-08-01)
The analysis of alcoholic beverages for the important carcinogenic contaminant ethyl carbamate is very time-consuming and expensive. Due to possible matrix interferences, sample cleanup using diatomaceous earth (Extrelut) ...
Ethyl carbamate analysis in german fruit spirits and brazilian sugarcane spirits (cachaça): improved sample cleanup with automated parallel evaporation
(2009-08-01)
The analysis of alcoholic beverages for the important carcinogenic con-taminant ethyl carbamate is very time-consuming and expensive. Due to possible matrix interferences, sample cleanup using diatomaceous earth (Extrelut) ...
Comparison of different clean-up procedures for the determination of N-methylcarbamate insecticides in vegetable matrices by high-performance liquid chromatography with UV detection
(Elsevier B.V., 1998-01-30)
Several clean-up procedures which included the use of glass chromatography columns (silica gel, alumina, Florisil, silanized Celite-charcoal), Sep-Pak cartridges and standard solutions were compared for the determination ...