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GC Analysis of Class 3 Residual Solvents on OVI-G43
Butyl methyl ether; Acetic acid; 2-Butanone; Ethyl acetate; Tetrahydrofuran; 1-Butanol; Isopropyl acetate; Heptane; Propyl acetate; 3-Methylbutanol; 4-Methyl-2-pentanone; Isobutyl acetate; Butyl acetate; Dimethyl sulfoxide; Anisole; Cumene
How to Select the Right Water Purification System for Your Lab
Technical article on Selecting the Right Water Purification System
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
HPLC Analysis of Active Cannabinoid Compounds in Gummy Bear Candy on Ascentis® Express Biphenyl with UV Detection after Extraction
Tetrahydrocannabinolic acid A solution, 1.0 mg/mL in acetonitrile, ampule of 1 mL, certified reference material.
Resolving by Mass
Resolving by Mass
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.
Principal Component Analysis (PCA) Evaluation of Seven Commercial Ionic Liquid Capillary GC Columns
In order to cover a broad range of possible solute-stationary phase interactions, 95 solutes with varied functional groups were selected to perform stationary phase characterization.
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.
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.
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
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.
US EPA Method 8041: GC Analysis of Phenols on Equity®-5
Separation of 2-Chlorophenol; 2,4-Dichlorophenol; 2,4,6-Tribromophenol; 2,4,6-Trichlorophenol; 2,4-Dinitrophenol; Pentafluorophenol; 2-Methylphenol, analytical standard; 2,3,4,6-Tetrachlorophenol; Pentachlorophenol; 4-Nitrophenol; 2-Bromophenol; 2,3,5,6-Tetrachlorophenol; 2,3,5-Trichlorophenol; 4-Chloro-3-methylphenol; 2,4,5-Trichlorophenol; 4-Methylphenol, analytical standard; 2,4-Dimethylphenol; 2-Nitrophenol; 3-Methylphenol, analytical standard; Phenol; 2-Methyl-4,6-dinitrophenol; 2,3,4-Trichlorophenol; 2,6-Dichlorophenol; 2,3,4,5-Tetrachlorophenol
GC Analysis of Spearmint Essential Oil on SLB®-IL59
-Cymene; Linalool; Menthol; α-Terpineol; Menthyl acetate
GC Analysis of Neroli Essential Oil on SLB®-5ms
GC Analysis of Neroli Essential Oil on SLB®-5ms
Melamine Analysis via GC-MS
Sigma-Aldrich presents an article about the analysis of melamine and related compounds in dog food with the use of more economical gas chromatography-mass spectrometry (GC-MS) instrumentation.
The Derivatization and Analysis of Amino Acids by GC-MS
The Derivatization and Analysis of Amino Acids by GC-MS
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
P-I-A-N-O Standards for Detailed Hydrocarbon Analyses
This is an article concerning P-I-A-N-O standards for detailed hydrocarbon analyses.
Comparison of QuEChERS Products for the Extraction of Planar Pesticides from Spinach
Supel™ QuE Verde combines a novel carbon with zirconia coated silica (Z-Sep+) to provide an optimum balance between planar pesticide recovery and color removal.
The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities
The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities
Gas Chromatography (GC) Column Selection Guide
Learn to select the proper capillary column based on stationary phase, column I.D., film thickness, and column length.
The Use of Derivatization Reagents for Gas Chromatography (GC)
Derivatization is a technique that usually involves a reaction of the analyte(s) of interest with a particular derivatization reagent.
A New Thermal Desorption Tube for Air Sampling of Cannabis Terpenes
Discover our new Carbotrap® T420 tube, designed for precise terpene air sampling in the cannabis and hemp industry. Monitor terpenes in cultivation environments, even in high humidity, with reproducible sample recovery. Elevate your analysis with the latest in terpene sampling
Resolves Difficult Sample Matrix Problems
In the flavor and fragrance industry, analytical chemists are often required to isolate key ingredients, off-flavor components, or trace organic compounds from their sample matrices without altering their structure or composition.
The Best Approaches to Gas Purification
The Best Approaches to Gas Purification
Separation of Alcohols and Esters in Spirits using Serially Connected GC Columns
Separation of Alcohols and Esters in Spirits using Serially Connected GC Columns
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.
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
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)
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.
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