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

Gritti et al., 2016 - Google Patents

Achieving quasi-adiabatic thermal environment to maximize resolution power in very high-pressure liquid chromatography: Theory, models, and experiments

Gritti et al., 2016

View PDF
Document ID
10933362447975801591
Author
Gritti F
Gilar M
Jarrell J
Publication year
Publication venue
Journal of Chromatography A

External Links

Snippet

A cylindrical vacuum chamber (inner diameter 5 cm) housing a narrow-bore 2.1 mm× 100 mm column packed with 1.8 μm HSS-T 3 fully porous particles was built in order to isolate thermally the chromatographic column from the external air environment. Consistent with …
Continue reading at www.academia.edu (PDF) (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
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/30Control of physical parameters of the fluid carrier of temperature
    • G01N2030/3007Control of physical parameters of the fluid carrier of temperature same temperature for whole column
    • 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
    • G01N30/46Flow patterns using more than one column
    • G01N30/461Flow patterns using more than one column with serial coupling of separation columns
    • 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
    • G01N30/12Preparation by evaporation
    • 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
    • G01N30/60Construction of the column
    • G01N30/6004Construction of the column end pieces
    • 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
    • G01N30/60Construction of the column
    • G01N30/6052Construction of the column body
    • G01N30/6073Construction of the column body in open tubular form
    • G01N30/6078Capillaries
    • 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
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/34Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
    • 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
    • G01N2030/022Column chromatography characterised by the kind of separation mechanism
    • G01N2030/025Gas chromatography
    • 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
    • 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
    • G01N30/04Preparation or injection of sample to be analysed
    • G01N30/16Injection
    • G01N30/20Injection using a sampling valve
    • 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
    • G01N30/50Conditioning of the sorbent material or stationary liquid
    • 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
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • G01N25/48Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation

Similar Documents

Publication Publication Date Title
Gritti et al. Achieving quasi-adiabatic thermal environment to maximize resolution power in very high-pressure liquid chromatography: Theory, models, and experiments
Gritti et al. Measurement of the axial and radial temperature profiles of a chromatographic column: Influence of thermal insulation on column efficiency
Gritti et al. Quasi-adiabatic vacuum-based column housing for very high-pressure liquid chromatography
Gritti et al. Complete temperature profiles in ultra-high-pressure liquid chromatography columns
US11273390B2 (en) Techniques for thermally insulating a liquid chromatographic column
Gritti et al. Theoretical investigation of diffusion along columns packed with fully and superficially porous particles
US11185795B2 (en) Techniques for thermally insulating a chromatographic column
Kaczmarski et al. Numerical modeling of the elution peak profiles of retained solutes in supercritical fluid chromatography
US11351477B2 (en) Techniques for accelerating thermal equilibrium in a chromatographic column
Kaczmarski et al. Modeling of thermal processes in high pressure liquid chromatography: II. Thermal heterogeneity at very high pressures
Gritti et al. Impact of retention on trans‐column velocity biases in packed columns
Kaczmarski et al. Efficiency of supercritical fluid chromatography columns in different thermal environments
Gritti et al. Effects of the thermal heterogeneity of the column on chromatographic results
Gritti et al. Theoretical and experimental impact of the bed aspect ratio on the axial dispersion coefficient of columns packed with 2.5 μm particles
Broeckhoven et al. Considerations for the use of ultra-high pressures in liquid chromatography for 2.1 mm inner diameter columns
Gritti et al. Consequences of the radial heterogeneity of the column temperature at high mobile phase velocity
Gritti et al. Heat exchanges in fast, high-performance liquid chromatography. A complete thermodynamic study
Kaczmarski et al. Prediction of the influence of the heat generated by viscous friction on the efficiency of chromatography columns
Grinias et al. Observation of enhanced heat dissipation in columns packed with superficially porous particles
Broeckhoven et al. Methods to determine the kinetic performance limit of contemporary chromatographic techniques
Gritti et al. Intrinsic advantages of packed capillaries over narrow-bore columns in very high-pressure gradient liquid chromatography
Kaczmarski et al. Modeling of thermal processes in high pressure liquid chromatography: I. Low pressure onset of thermal heterogeneity
Horváth et al. Effect of axial temperature gradient on chromatographic efficiency under adiabatic conditions
Kephart et al. Hot eluent capillary liquid chromatography using zirconia and titania based stationary phases
Gritti et al. Maximizing performance in supercritical fluid chromatography using low-density mobile phases