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Solid Phase Microextraction

 

 

Solid phase microextraction uses solid, fused silica fibers coated with a polymeric GC-like stationary phase. The fiber replaces the plunger of a microsyringe. This fiber is dipped into the aqueous solution containing the trace organics to be analyzed. The organics diffuse to and partition into the polymeric coating as a function of their distribution coefficients. Convection speeds up the process. After a predetermined time, the fiber is removed from the solution and placed into the injection port of a gas chromatograph, where the analytes are thermally desorbed. Alternately, the fiber can be placed into the injection port of an HPLC valve, where analytes are displaced by the use of mobile phase or other solvent.

Products & Services
Solid phase extraction (SPE) cartridges and discs are used to clean up a sample before using a chromatographic or other analytical method to quantify the amount of analyte(s) in the sample. Search by Specification | Learn more about Solid Phase Extraction Cartridges and Discs
Specialty chromatographs and chromatography accessories are specialized or proprietary products related to chromatography and chromatography instruments. Learn more about Specialty Chromatographs and Chromatography Accessories
Chromatographs are instruments for performing chromatographic separation and producing chromatograms. Learn more about Chromatographs
High performance liquid chromatography (HPLC) columns use a liquid mobile phase to separate the components of a mixture. Search by Specification | Learn more about HPLC Columns
High performance liquid chromatographs (HPLC) use a liquid mobile phase to separate the components of a mixture. The components are dissolved in a solvent and forced to flow through a chromatographic column under high pressure. Search by Specification | Learn more about High Performance Liquid Chromatographs (HPLC)
Product Announcements
Varian, Inc. - New 200-MS Series Ion Trap from Varian, Inc.
The series comprises three instruments (210-MS, 220-MS and 240-MS) for use in applications from routine analysis to advanced research. Both the 240-MS and the 220-MS are delivered with Varian's top of... (read more)
Teledyne Instruments - HT3™ Static and Dynamic Headspace Analyzer
Static Headspace analysis is a time-tested and robust technique for the analysis of volatile compounds in almost any matrix. The popularity of the technique is due to Headspace analysis providing a... (read more)
Zircar Zirconia, Inc. - Zirconia Bulk Fiber
Zirconia Bulk Fibers Type ZYBF are yttria stabilized zirconia fibers available in five different forms, all having useful properties up to 2200 Celsius. (read more)
Varian, Inc. - The Varian 900-LC: Analytical to Preparative HPLC
With Our Experience, Your HPLC Needs Are Covered The Varian 900-LC series stems from a history of liquid chromatography excellence. For four decades, Varian's range of reliable and easy-to-use HPLC... (read more)
Shimadzu Scientific Instruments, Inc. - Multidimensional GC (MDGC/GCMS-2010)
The MDGC/GCMS-2010 multidimensional system, which utilizes a multi-Deans switching mechanism, simplifies the normally difficult separation and quantification of compounds in complex, multi-component... (read more)
Branch Environmental Corp. - Vapor Phase Carbon
Vapor phase carbon (VPC) systems are used for collection of organics, trace quantities of alkali or acid vapors. If there are only small quantities of odor causing compounds present, they can also be... (read more)
Branch Environmental Corp. - Vapor Phase Carbon - Air Scrubbers
Vapor phase carbon systems are used for collection of organics, trace quantities of alkali or acid vapors. If there are only small quantities of odor causing compounds are present, it can also be used... (read more)
 
Topics of Interest
Measuring trace amounts of residual monomers in a synthetic polymer by gas-liquid chromatography (GLC) has been used for over a quarter century [1-3]. A recent review of gas chromatography (GC)... (Read More)
Reactions with Separation Operations Examples of PI where reactions are combined with separation operations include Reactive distillation. To avoid conversion of product into unwanted... (Read More)
Normally bonded phases have a stationary bed that is strongly polar in nature and the mobile phase is non-polar. Polar samples are thus retained on the polar surface of the column packing longer than... (Read More)
3.1 Introduction Theoretical investigations into this technique have shown that it is capable of achieving the resolving power of gas chromatography (GC). Liquid chromatography (LC) has undergone... (Read More)
Absorption: The portion of optical attenuation in an optical fiber resulting from the conversion of optical power to heat; caused by impurities such as hydroxyl ions in the fiber. A/B Switch: A... (Read More)
See more product announcements for Solid Phase Extraction Cartridges and Discs
XTRX Extraction Columns

XTRX Extraction Columns
Analtech, Inc.


CADENCE SCIENCE Glass Interchangeable Syringes

CADENCE SCIENCE Glass Interchangeable Syringes
Cadence Science


Filters - Borosilicate Glass

Filters - Borosilicate Glass
Andrews Glass Company, Inc.


11 See more product announcements for Solid Phase Extraction Cartridges and Discs