Search: Stir Bar Sorptive Extraction, Application Note

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Six Times Faster Screening of Pesticide Multi-Residues in Aqueous Samples

SBSE can be performed in parallel on two aliquots of the same sample under different extraction conditions using two Twisters. Using this dual Twister approach, the two extractions can be optimized individua ...

Resource - Susan Gilbert - 27th Apr 2011 - 0 comments

An Automated Sorptive Extraction-Thermal Desorption GC-MS System for the Analysis of Aqueous Samples

An alternative system for the enrichment of aqueous samples is presented based on the extraction of the analytes into a sorption phase followed by thermal desorption and GC-MS analysis. Analytes are partition ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Screening of Laundry Detergent and Body Wash Fragrance Utilizing Twister SBSE and Thermal Desorption

Customer in interested in Twister SBSE and thermal desorption for the analysis of fragrance in laundry and bath products. Three samples provided by the customer (laundry detergent, body wash and fragrance oi ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Analysis of Commercial Shampoo Utilizing Twister SBSE and TDS2/TDSA Thermal Desorption

Customer requested analysis of fragrance in commercial shampoo using Twister SBSE and TDS2/TDSA Thermal Desorption. Duplicate 10mg shampoo samples were dispersed in water and extracted with Twister stir bars ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Determination of Fragrance Components in Soaps and Hand Lotions using Twister/TDS/ODP

Customer is interested in stir bar sorptive extraction and thermal desorption coupled with olfactory detection for determination of fragrance components in soaps and hand lotions. Samples were dissolved in w ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

A Novel Extraction Procedure for Stir Bar Sorptive Extraction (SBSE): Sequential SBSE for Uniform Enrichment of Organic Pollutants in Water Samples

A novel stir bar sorptive extraction (SBSE) procedure termed sequential SBSE was developed. Compared to conventional SBSE, sequential SBSE provides more uniform enrichment over the entire polarity/volatility ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Fast Screening of Pesticide Multiresidues in Aqueous Samples by Dual Stir Bar Sorptive Extraction (Dual SBSE) and Thermal Desorption – Fast GC/MS using a Modular Accelerated Column Heater (MACH)

A method for fast screening of pesticide multiresidues in aqueous samples using dual stir bar sorptive extraction (dual SBSE) – thermal desorption (TD) – fast GC/MS has been developed. Recovery of 82 pesticid ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Evaluation of PDMS-Based Extraction Techniques and GC-TOFMS for the Analysis of Off-Flavor Chemicals in Beer

Various techniques employing polydimethylsiloxane (PDMS) as an extraction medium prior to GC-TOFMS analysis were investigated to measure off-flavors in aged beer. The techniques included stir bar sorptive ex ...

Resource - Susan Gilbert - 14th Apr 2011 - 0 comments

Performance Evaluation of a Thermal Desorption System for Detection of Basic Drugs in Forensic Samples by GC/MS

Stir bar sorptive extraction (SBSE) is an innovative sample extraction technique that can be used to process blood, urine and tissue samples for routine drug screening in the forensic toxicology laboratory. ...

Resource - Susan Gilbert - 13th Apr 2011 - 0 comments

Feasibility of Extraction and Quantitation of d9-Tetrahydrocannabinol in Body Fluids by Stir Bar Sorptive Extraction (SBSE) and GC/MS

Proposed revisions to the DHHS Mandatory Guidelines for Federal Workplace Drug Testing Programs (Federal Register, April 13, 2004) include a confirmatory cut-off level of 2.0 ng/mL for THC (parent) in oral fl ...

Resource - Susan Gilbert - 13th Apr 2011 - 0 comments