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Amélioration de la détermination des composés organiques volatils dans l'eau par SPME et GC/MS : norme ISO 17943
Les hautes performances, la fiabilité et la reproductibilité de la HS-SPME associée à la GC/MS pour la détermination des COV dans l'eau ont été prouvées dans un essai interlaboratoires. La nouvelle norme ISO 17943, basée sur la HS-SPME, constitue une
GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1
Protocol for GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1
GC Analysis of C5-C12 n-Alkanes and BTEX on SUPELCOWAX® 10
Separation of null
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
GC Analysis of Glycerides in Coconut Oil (Organic, Extra Virgin) on SLB-35ms
Separation of T30; T36; T42; T48
Detailed Hydrocarbon Analysis (DHA) Using Gas Chromatography (GC)
Detailed hydrocarbon analysis (DHA) of petroleum samples is commonly performed by gas chromatography (GC) using a Petrocol™ capillary GC column.
Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column
Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column
Selecting a GC Column for Specific Methods
We offer the Supelco portfolio of analytical GC columns, providing you the accuracy, precision and consistency you need.
Convenient Measurement of Water by GC with Watercol™ Series Columns
Watercol™ capillary GC columns contain innovative ionic liquid stationary phases that produce a sharp peak shape for water, allowing the convenient measurement of water by GC.
GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp
GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp
MSTFA/MSTFA-d9 Derivatization of Amphetamine for GC/MS Detection and Identification
Example displays how MSTFA/MSTFA-d9 derivatization of amphetamine provides valuable information in mass spectra and chromatograms using SLB-5ms GC column.
GC Analyses of Free Fatty Acids
GC Analyses of Free Fatty Acids
MET-Biodiesel Capillary GC Column
B100 biodiesel analysis of free glycerin & total glycerin by Gas Chromatography using the Supelco MET-Biodiesel capillary gc column for ASTM D6584 & EN 14105
Determination of Headspace Volatiles in Distilled Spirits Using SPME Coupled to GC
In this article, SPME-GC was successfully used to identify many volatile compounds present in the headspace over several spirits.
Derivatization of Fatty acids to FAMEs
Explore how GC can be used to analyze fatty acids either as free fatty acids or as fatty acid methyl esters.
GC/MS Analysis of Ethanol in Low Alcohol Beer on SUPELCOWAX® 10 after Headspace SPME using a 100 µm PDMS Fiber
GC/MS Analysis of Ethanol in Low Alcohol Beer on SUPELCOWAX® 10 after Headspace SPME using a 100 μm PDMS Fiber
New GC-MS Method for Mycotoxin Analysis
An article regarding A New GC-MS Method for Mycotoxin Analysis Using 13C-marked Mycotoxin Derivatives from Sigma-Aldrich.com
GC Analysis of Sterols (Silylated Derivatives) in Olive Oil (Free Sterol Fraction) on SLB®-5ms after SPE using Discovery DSC-Si
Separation of Cholesterol; Brassicasterol; Campesterol; Stigmasterol; β-Sitosterol
GC Analysis of Methanol Impurity in Biodiesel on Equity®-1 after SPME using 85 µm Polyacrylate Fiber
GC Analysis of Methanol Impurity in Biodiesel on Equity®-1 after SPME using 85 µm Polyacrylate Fiber
Capillary Column Ferrule Selection and Installation
To provide a leak-tight seal, the ideal gas chromatography (GC) ferrule will accommodate column outside diameter (O.D.) variations, seal with minimum torque, and not stick to the column or fi ttings
Hydrogen: A Carrier Gas Alternative to Helium
Hydrogen has several features (higher optimal linear velocity, and flatter Golay curve) that result in desirable benefits (decreased analysis times) when compared to other GC carrier gas choices.
Extraction and Analysis of PAHs in Olive Oil using Molecularly Imprinted Polymer SPE and GC-MS
Extraction and Analysis of PAHs in Olive Oil using Molecularly Imprinted Polymer SPE and GC-MS
Fraction of cis/trans FAMEs Using Discovery® Ag-Ion SPE
Fraction of cis/trans FAMEs Using Discovery® Ag-Ion SPE
Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17943
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination
GC Analyses of FAMEs by Boiling Point Elution
GC Analyses of FAMEs by Boiling Point Elution
GC Analysis of Natural Gas (GPA Method 2261)
Packed columns for natural gas BTU determination as per GPA and ASTM methods, ensuring accurate measurements in gas processing.
Allergenic Fragrance Testing – Certified Materials
IFRA method introduces new CRMs for allergenic fragrances, analyzed by GC with ionic liquid capillary column for selectivity.
Determination of Free and Total Glycerin in B100
Glycerin determination methods require multi-component calibration solutions for accurate analysis.
Analysis of Alkylphenols Using New Internal Standards
Alkylphenols are used in various industries like paper manufacturing and pesticide formulations.
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