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Solid phase microextraction(SPME) is a solvent-free sample preparation technique, intregrated the sampling, isolation, enrichment and injection as one-step solution. It is an environment-friendly and advanced sample pretreatment technique, which overcomes the shortcomings of traditional extraction methods, advances in less sample consumption, simple  operation, time and labor-saving, minimal solvent, and could be used in the field. Solid-phase microextraction technology is widely used in environmental protection, water treatment, clinical pharmacology, forensic analysis, pharmaceuticals and chemicals field. RayKol's XTrust SPME  fibers and systems can cater to the SPME requirements for various applications and analytes.

Types of Solid Phase Micro Extraction

XTrust SPME Fiber

XTrust SPME Fiber

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What is SPME?

Solid phase microextraction (SPME) is a relatively new and sensitive solvent-free sample preparation technique. Based on the principle of adsorption/absorption and desorption, SPME uses a coated fiber to concentrate volatile and semi-volatile compounds from a sample.

How does SPME work?

SPME uses a fiber coated with polyermers and sorbents. The coated fiber is placed in a protective needle and attached to a SPME holder. When the fiber is exposed to a sample, the anlytes of interest partition from the sample matrix into the stationary phase until an equilibrium is established. The fiber’s coating extracts target compounds from the sample either by absorption or adsorption. After a predefined extraction time, the fiber is removed and inserted directly into a chromatographic instrument, usually gas chromatography(GC) or high-performance liquid chromatography(HPLC), for desorption and analysis.


SPME combines the analyte sampling, isolation and enrichment into one step, make it easy to automate the procedures. It allows the analysts to ensure highly consistent and quantifiable results from sample even when analytes are at low concentration, by controlling the polarity and thickness of the SPME fiberes, adjusting sampling time and other extraction factors. Solid phase micro extraction is non-destructive to samples, applicable for most of samples and matrices. Consumables like SPME fibers are reusable and economical, and compatible with any GC of the common brands. RayKol's XTrust manual SPME and automated SPME have widely used in the area of environments, such as odor and taste compounds in water.


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Unit 6F, NO.176 Xinfeng Road, Huizhi Zong, Torch High-Tech Zone, Xiamen
info@raykolgroup.com
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