[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Yang et al., 1999 - Google Patents

Electrically driven microseparation methods for pesticides and metabolites. II: On‐line and off‐line preconcentration of urea herbicides in capillary …

Yang et al., 1999

Document ID
14205880862317534954
Author
Yang C
El Rassi Z
Publication year
Publication venue
ELECTROPHORESIS: An International Journal

External Links

Snippet

Capillary electrochromatography (CEC) was introduced to the separation of nine important urea herbicides using octadecyl‐silica (ODS) capillary columns that were specially designed to allow the realization of a relatively strong electroosmotic flow (EOF) and, in turn, fast …
Continue reading at analyticalsciencejournals.onlinelibrary.wiley.com (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/04Preparation or injection of sample to be analysed
    • G01N30/06Preparation
    • G01N30/08Preparation using an enricher
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/447Systems using electrophoresis
    • G01N27/44704Details; Accessories
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/62Detectors specially adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/38Flow patterns
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/48Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/90Plate chromatography, e.g. thin layer or paper chromatography
    • G01N30/92Construction of the plate
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/90Plate chromatography, e.g. thin layer or paper chromatography
    • G01N30/94Development
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40Concentrating samples

Similar Documents

Publication Publication Date Title
Yang et al. Electrically driven microseparation methods for pesticides and metabolites. II: On‐line and off‐line preconcentration of urea herbicides in capillary electrochromatography
Forster et al. The assay of the catecholamine content of small volumes of human plasma
Buchberger et al. Effects of carrier electrolyte composition on separation selectivity in capillary zone electrophoresis of low-molecular-mass anions
Swartz et al. On-line sample preconcentration on a packed-inlet capillary for improving the sensitivity of capillary electrophoretic analysis of pharmaceuticals
Debets et al. Switching valve with internal micro precolumn for on-line sample enrichment in capillary zone electrophoresis
Nunez et al. Solid-phase extraction and sample stacking–capillary electrophoresis for the determination of quaternary ammonium herbicides in drinking water
US5453382A (en) Electrochromatographic preconcentration method
Ramautar et al. Recent developments in coupled SPE‐CE
Castro et al. On-line ion-pair solid-phase extraction–liquid chromatography–mass spectrometry for the analysis of quaternary ammonium herbicides
Silva MEKC: An update focusing on practical aspects
Chee et al. Reproducible and high-speed separation of basic drugs by capillary zone electrophoresis
Hezinová et al. Simultaneous analysis of cocaine and its metabolites in urine by capillary electrophoresis–electrospray mass spectrometry using a pressurized liquid junction nanoflow interface
Maijó et al. An in‐line SPE strategy to enhance sensitivity in CE for the determination of pharmaceutical compounds in river water samples
González et al. Direct determination of diuretic drugs in urine by capillary zone electrophoresis using fluorescence detection
Musch et al. Isolation of basic drugs from plasma using solid-phase extraction with a cyanopropyl-bonded phase
Jung et al. Trace analysis of fluorescein-derivatized phenoxy acid herbicides by micellar electrokinetic chromatography with laser-induced fluorescence detection
Hilmi et al. In‐line coupling capillary electrochromatography with amperometric detection for analysis of explosive compounds
Hilhorst et al. Capillary electrokinetic separation techniques for profiling of drugs and related products
Botello et al. Investigation of in‐line solid‐phase extraction capillary electrophoresis for the analysis of drugs of abuse and their metabolites in water samples
Krull et al. Capillary electrophoresis: the promise and the practice.
Juan-García et al. On-line preconcentration strategies for analyzing pesticides in fruits and vegetables by micellar electrokinetic chromatography
Brumley Techniques with potential for handling environmental samples in capillary electrophoresis
Liu et al. On‐line coupling of pressurized capillary electrochromatography with end‐column amperometric detection for analysis of estrogens
Riu et al. Determination of linear alkylbenzenesulfonates in wastewater treatment plants and coastal waters by automated solid-phase extraction followed by capillary electrophoresis–UV detection and confirmation by capillary electrophoresis–mass spectrometry
Li et al. Determination of sulfa antibiotic residues in river and particulate matter by field‐amplified sample injection‐capillary zone electrophoresis