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176 matches found for solid_phase_microextractions

Development of a Method for Analysis of Phthalate Esters in Vegetable Oils

Related Articles • Analysis of PCBs in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column • A Comparison of Two Solid Phase Extraction Methods for the Analysis of Polyaromatic Hydrocarbons in Butter • SPME-GC-MS Determination of Phthalate Esters in Ramen Noodle Flavor Pack...

Improving Environmental Analysis using Solid Phase Microextraction (SPME) in Sample Preparation

Date: Wednesday, May 22, 2019 Time: 11:30 (India), 14:00 (China, Taiwan, Singapore), 15:00 (Korea, Japan), 16:00 (Australia), 18:00 (New Zealand), 08:00 AM (CET) Duration: 75 minutes Presenters: Dr. Frank Michel, Analytical & Chromatography Scientific Advisor Improving Environmental Analysis using S...

Custom SPME Fiber Request Form

Please use this form to request a quote for custom SPME fibers. Fill out all applicable fields. If you are not sure what to enter in one/more fields, provide relevant supporting information within the 'Additional Comments' text box below. We will respond to your request as soon as possible. For ques...

Bioanalytical Microsampling using Biocompatible SPME and Benefits over Dried Blood Spots

Related Articles • Reporter US Volume 33.3 (4 Mb PDF) • Utilizing Novel SPME LC Tips for Forensic Screening of Drugs of Abuse in Urine Samples • Two Distinct Sample Prep Approaches to Overcome Matrix Effect in LC/MS of Serum or Plasma Samples • Bioanalysis with SPME • SPME for Bioanalysis There is g...

Sulphur Compounds - Chromatography and Sample Prep Literature from Supelco

Pub. Id. Subject Type Size (KB) No. of Pages T498039 Supelco Packed GC Columns for Sulfur Analyses Product Info. 101 2 T100722 Analyses of Sulfur Gases at Trace and Low Percent Levels, Using Packed Column GC Bulletin 722 145 6 T195875 Supelco Capillary Column Selection Guide Bulletin 875 849 40 T112...

Custom Products for Analytical Chemistry

The Analytical division of Sigma-Aldrich has decades of expertise in the following technologies and competencies: • Analytical Reagent Production, Packaging, Handling & Documentation • Standards and CRMs Production and Testing • Advanced HPLC Column Packing Technology, Micro- to Preparative scale • ...

Industry - Petroleum and Petrochemical

Download PDF Product Name PDF file size No. of Pages Subject T394002 Application Note 002 141 KB 2 Analysis of Solvents in Industrial Atmospheres by Capillary GC T394005 Application Note 005 136 KB 2 Analyze Oxygenates in Gasoline and Similar Matrices, Using Single-Column Capillary GC T394008 Applic...

Drugs & Pharmaceuticals - Chromatography and Sample Prep Literature from Supelco

Pub. Id. Subject Type Size (KB) No. of Pages T196901 Solid Phase Microextraction/Capillary GC Analysis of Drugs, Alcohols, and Organic Solvents in Biolog Bulletin 901 116 8 T198922 SPME/GC for Forensic Applications: Explosives, Fire Debris, and Drugs of Abuse Bulletin 922 235 8 T199925 SPME Applicat...

SPME-Overcoated Fiber: Physically Robust and Resistant to Fouling

High background samples, such as many foods, pose a challenge to immersion SPME due to the presence of fats, sugars, pigments, and other macromolecules. These can stick to the SPME fiber and reduce its usable life and/or be transferred to the GC, where they may interfere with chromatographic analysi...

Products for the Petrochemical Industry

The oil industry’s success in accelerating the global economy depends upon safe, reliable and efficient processes to ensure that consumers receive a consistent flow of high-quality petroleum products. We are committed to make QC & Analytical Testing more efficient and productive with our portfolio o...

Parabens in Topical Preparations Using SPME-GC-MS

Related Articles • Determination of Hydrocortisone from Topical Cream Using Discovery DSC-Si SPE and Reversed-Phase HPLC-UV • SPME Method for 4-methyl-1-cyclohexanemethanol (MCHM) and propylene glycol phenyl ether (PPH) in Water • • Download PDF • Parabens are commonly used preservatives found in ma...

Ionic Liquid GC Webinar

Over the years, extensive evaluations of columns manufactured with ionic liquid stationary phases have occurred. Their main strength was discovered to be unique selectivity. This selectivity is made possible due to the various combinations of cations and anions that are available along with spacer g...

Small Molecules Drug Development

When analyzing small molecules the overarching need is to maximize sensitivity without compromising reproducibility and laboratory throughput. We have developed unique tools to maximize speed and selectivity throughout the entire workflow. Our tools support the requisite techniques, such as gas chro...

Installing an SPME Fiber [VIDEO]

Solid-phase microextraction (SPME) fibers are easily installed or replaced in the SPME holder. The fiber assemblies are color-coded to signify the polymer coating on the fiber, and contain threads to screw into the holder barrel. To attach the SPME fiber assembly to the manual holder, simply remove ...

Headspace Sampling of VOCs with SPME [VIDEO]

Headspace sampling with SPME is the preferred method to extract volatile organic compounds. Begin the extraction process by placing the sample into the vial puck on the hotplate and index the vial to the sampling position. Insert the holder into the sampling stand, passing the needle through the sep...

Reporter Europe 2008

Archive Reporter Europe 2016 Reporter Europe 2015 Reporter Europe 2014 Reporter Europe 2013 Reporter Europe 2012 Reporter Europe 2011 Reporter Europe 2010 Reporter Europe 2009 Reporter Europe 2008 Reporter Europe 2007 Reporter Europe 2006 Dear Scientist, TheReporter USA Let us help you. The new Repo...

Introducing a New Series of Terpenoid CRM Solutions

Analytix Reporter Issue 3 | 2018 Products & Related Products • View Product List • Terpenoid Standards • Phytochemical Standards Related Links • Cannabis Testing • Flavors & Fragrances Analysis Related Articles • Headspace SPME-GC/MS Analysis of Terpenes in Hops and Cannabis Applications/Categories ...

Robustness of the Discovery® HS F5 HPLC Column in the Study of Metabolomics

Related Articles • Reporter US Volume 34.4 • Reaching the “Peak” of Recovery: Improving Antibody Separations with the Inclusion of Organic Alcohols • Rapid Determination of Protein Binding Affinity Using Solid Phase Microextraction • Analysis of Human Plasma Lipids Using sub-2 μm C18 UHPLC Column wi...

Automated Solid Phase Microextraction (SPME) Sampling

Now you can use the full range of Supelco® SPME fibers with your PAL autosampler system. Supelco® PAL Smart SPME fibers combine our SPME coating expertise and innovations, including our Carboxen®, dual-coated, and overcoated fibers, with Smart technology for seamless sample preparation. Our Smart fi...

The 2018 ACS Award in Chromatography

Analytix Reporter Issue 3 | 2018 Related Articles • The 2017 ACS Award in Chromatography The American Chemical Society (ACS) recognized pioneers in the chromatography field by establishing the Award in Chromatography and Electrophoresis in 1959. Supelco has sponsored this prestigious award since 197...

Analytical Chemistry & Chromatography Products

• Air Monitoring • Analytical Reagents • Analytical Standards • Applications • Chiral Chromatography • Chromatography Standards • Derivatization Reagents • Food & Beverage Analysis • Gas Chromatography • HPLC • Ion Sensor Materials • Karl Fischer Titration • Laboratory Supplies • LPLC/TLC/Paper Chro...

Publications: Online library of tutorials, product guides and references

• Life Science and Biochemicals • Chromatography & Analytical • Materials Science, Chemical Synthesis and Lab Equipment • Newsletter Subscription • Molecular Biology Handbook • Cloning Manual • Synthetic Biology Resources • qPCR Technical Guide Life Science and Biochemicals Name Description Antibody...

SPME Fast Fit Assemblies (FFA) & Multi-Fiber Exchanger (MFX)

Daniel Vitkuske and Kaj Peterson1 daniel.vitkuske@sial.com 1. GERSTEL GmbH & Co.KG, Eberhard-Gerstel-Platz 1, D-45473 Mülheim an der Ruhr The success of SPME over the past two decades can be attributed to a long list of reasons. Some key points are listed here: SPME is easily automated; a wide range...

SPME LC (BioSPME) Tips and Fibers

Bio-SPME VideoBioSPME offers an innovative approach for biological microsampling and sample preparation, while enabling the direct measurement of free analyte fraction. The BioSPME platform enhances traditional LC/MS applications while driving the future for direct MS analysis. This technology allow...

Portable SPME Field Sampler [VIDEO]

The lightweight SPME portable field sampler contains the SPME fiber secured inside of a protective needle. The needle is exposed by pushing the plunger in until locking it into one of the slots. Release the plunger by removing the retaining plug and storing it on the end of the plunger. Press the pl...

Agricultural Contaminants

People living and working in rural areas are at risk of exposure to wide range of pollutants emitted from agricultural operations. Exposure to pesticides and herbicides is a significant concern; roughly only 85% of sprayed airborne pesticides reach their target destination [1]; the remaining 15% is ...

How to Choose a Capillary GC Column

An optimized chromatographic separation begins with the column. The selection of the proper capillary column for any application should be based on four significant factors: stationary phase, column I.D., film thickness, and column length. The practical effects of these factors on the performance of...

Water Analysis for Food & Beverages

Whether testing water taken from its source or using it as part of a thirst-quenching beverage, Sigma-Aldrich understands the importance of having the highest quality, most reliable products available to make sure the water used in any application is safe and consistent. With our breadth of products...

Supelco Low Bleed SLB-5ms Column - New Features and Benefits

Katherine Stenerson, Jay Jones, and Michael D. Buchanan kstenerson@sial.com In past Reporter articles, we have highlighted the many features and benefi ts of the new SLB-5ms column, especially for US EPA Method 8270. In addition to Method 8270, we have also investigated the use of this column for an...

SPME: Extraction of VOCs in Human Breath

The following article was generated with the assistance of an outside source using Sigma-Aldrich® products. Technical content was generated and provided by: Bogusław Buszewski, Tomasz Ligor, Joanna Rudnicka Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry Nicolaus Coperni...