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How to Choose a Capillary GC Column
Achieve better gas chromatography separations with an appropriate column. Review the most significant factors for gc column selection: stationary phase, internal diameter, film thickness, and column length.
Residual Solvents from Food Packaging
Residual Solvents from Food Packaging
Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS
Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS
Analysis of Pesticide Residues in Cannabis Using QuEChERS Extraction and Cleanup Followed by GC/MS/MS Analysis
Compared to conventional PSA/C18/GCB cleanup, cannabis extracts cleaned with the Supel QuE Verde mixture showed lower GC/MS background, and better recoveries for many pesticides.
The Best Approaches to Gas Purification
The Best Approaches to Gas Purification
GC Injection Port Septa: Use, Maintenance, Storage and Handling
Proper handling and preventative maintenance instructions for injection port septa; tips to improve the performance of gas chromatography instruments.
New cis/trans FAME Standard for Optimising GC System Performance
AOCS and AOAC methods for determining the trans fatty acid composition of foods by gas chromatography require the use of a highly polar cyanosilicone capillary column to provide the best peak resolution attainable of the numerous geometric (cis & trans)...
Exactly Why is Low Bleed Important for Capillary Columns?
Exactly Why is Low Bleed Important for Capillary Columns?
Separation of Alcohols and Esters in Spirits using Serially Connected GC Columns
Separation of Alcohols and Esters in Spirits using Serially Connected GC Columns
Improved GC/MS Derivatization Techniques for Analysis of New Designer Drugs: Methylone, Ethylone, Butylone, Mephedrone, and Methedrone
As new “bath salt” drugs such as methylone, ethylone, mephedrone, butylone and other methcathinone analogs increase in popularity, toxicologists require native and labeled certified reference materials to accurately identify and quantify the new compounds in patient samples.
Resolving by Mass
Resolving by Mass
Hopane Reference Standards for use as Petrochemical Biomarkers in Oil Field Remediation and Spill Analysis
We provide high-quality, relevant hopane reference standards to be used as biomarkers for petrochemical oil field remediation and spill analysis.
GC Analysis of Permanent Gases and Light Hydrocarbons on Carboxen-1006 PLOT and a Packed Column (Carboxen® 1004)
Separation of Methane; Acetylene; Carbon monoxide; Water; Nitrogen; Carbon dioxide; Ethane; Ethylene
Proline Derivatization and Enantioresolution by Chiral GC
Amino acids are building blocks of peptides and proteins. Enantiomeric separation of these molecules can be performed through chromatography by chiral stationary phases. This article describes the chiral GC analysis of one amino acid, proline, after achiral derivatization.
Measuring Flows For Gas Chromatography Volumetric vs. Mass
Measuring Flows For Gas Chromatography Volumetric vs. Mass
Silylation of Non-Steroidal Anti-Inflammatory Drugs
Results of a study involving the ability few Fluka silylating reagents to form GC-MS-compatible trimethylsilylmethyl derivatives of NSAIDs
GC Analysis of Spearmint Essential Oil on SLB®-IL59
-Cymene; Linalool; Menthol; α-Terpineol; Menthyl acetate
The Derivatization and Analysis of Amino Acids by GC-MS
The Derivatization and Analysis of Amino Acids by GC-MS
Radiello Diffusive Sampler for Monitoring 1,3-Butadiene and Isoprene in Workplace Air
The manufacturing of elastomers makes wide use of 1,3-butadiene (CAS No. 106-99-0) and isoprene (2-methyl- 1,3-butadiene, CAS No. 78-79-5). Both compounds are classifi ed as carcinogenic by the International Agency for Research on Cancer (IARC). 1,3-Butadiene is currently listed in...
GC Injection Port Issues: Two Case Studies (Peak Tailing and Low Response)
Proper product selection and preventative maintenance for the GC inlet are vital elements that impact performance of the GC instrument.
Analysis of Pesticides in Baby Food by Solid Phase Microextraction (SPME) Using a New Overcoated Fiber
A direct immersion SPME method using a new overcoated SPME fiber was developed for the extraction of pesticides from pureed prune baby food.
GC Analysis of a 37-Component FAME Mix on Omegawax®
This technical article will discuss GC Analysis of a 37-Component FAME Mix on Omegawax.
Frequently Asked Questions
Answers and tips relating to the application of the solid phase micro-extraction technique, featured by Supelco
GC Analysis of Neroli Essential Oil on SLB®-5ms
GC Analysis of Neroli Essential Oil on SLB®-5ms
SPME Fiber Performance Tips for Volatiles & Semi-Volatiles
Enhance the extraction capability of Supelco SPME fibers for the collection of volatiles, semi-volatiles and polar compounds. spme
Improved Recoveries and Lower Background for GC/MS/MS and LC/MS/MS Analysis of Pesticides in Green Tea
A procedure for cleanup of green tea extracts provides low background and allowed for the analysis of more pesticides at lower levels than QuEChERS. Uses less solvents and no toluene.
Ionic Liquid GC Column Option for the Analysis of Omega 3 and Omega 6 Fatty Acids
Compared to existing ‘wax’ columns, the SLB-IL60 column offers unique selectivity, some cis/trans resolution, and faster elution for the analysis of omega 3 and omega 6 fatty acid methyl esters.
GC Analysis of C2-C7 Free Fatty Acids on Nukol™
Separation of Propionic acid; Acetic acid; Heptanoic acid; Isobutyric acid; Valeric acid; Isocaproic acid; Butyric acid; Isovaleric acid
Selecting the Appropriate SPME Fiber Coating –Effect of Analyte Molecular Weight and Polarity
Selecting the Appropriate SPME Fiber Coating –Effect of Analyte Molecular Weight and Polarity
SupraSolv® GC Solvent Specifications
Our GC solvents have been specially developed and tested for ECD, FID and MS detection or for headspace gas chromatography to ensure accurate, reliable and reproducible analytical results.
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