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The Use of Derivatization Reagents for GC
The Use of Derivatization Reagents for GC
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.
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
The Derivatization and Analysis of Amino Acids by GC-MS
The Derivatization and Analysis of Amino Acids by GC-MS
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.
Exactly Why is Low Bleed Important for Capillary Columns?
Exactly Why is Low Bleed Important for Capillary 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.
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 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
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.
Method Validation for Determination of Chloramphenicol in Urine Using Molecularly Imprinted Polymer (MIP) SPE
The method for determination of low concentrations of chloramphenicol in bovine and porcine urine was developed. Sample cleanup was performed by Molecular Imprinted Polymer (MIP) columns. Confirmatory analyses were conducted using GC/MS-NCI after derivatisation (silylation). The described method was fully
SPME in the Analysis of Illicit Drugs
SPME is used in the analysis of amphetamine compounds by doing pre-extraction derivatization, and is also used in general determinations of other drugs of abuse.
Analysis of Fats (Fatty Acids, FAMEs, Glycerides) in Food and Beverages
This article explores the analysis of fats in food and beverage products. From derivatization of fatty acids to FAMEs, to analysis of FAME isomers, and more we are your one-stop shop for all of your food and beverage analysis needs.
Residual Solvents from Food Packaging
Residual Solvents from Food Packaging
Residual Solvents from Food Packaging
Residual Solvents from Food Packaging
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 C2-C22 Free Fatty Acids on Nukol™
Separation of Methyl oleate; Caprylic acid; Heptanoic acid; Methyl decanoate; Methyl dodecanoate; Myristic acid; Methyl palmitate; Methyl palmitoleate; Methyl stearate; Methyl linoleate; Methyl linolenate; Acetic acid; Arachidic acid; Behenic acid; Propionic acid; Isobutyric acid; Valeric acid; Isovaleric acid; Isocaproic acid;
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
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
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.
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.
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
Achieve Exceptional Resolution of PAHs, Including Several Isomer Sets Using SLB®-ILPAH Capillary GC Columns
SLB®-ILPAH is a special purpose column based on an ionic liquid stationary phase providing unique selectivity and efficient column dimensions allowing exceptional resolution of PAHs
Biodiesel
Learn more about Biodiesel as a renewable, alternative diesel fuel produced from vegetable oils, animal fats, or recycled restaurant grease.
Determination of N-Nitrosamines in Valsartan
Nitrosamines have been discovered as a serious contaminant group in active pharmaceutical ingredients (API) belonging to the sartan family. This article describes a GC-MS method for the determination of nitrosamines in Valsartan tablets according to US FDA guide lines that
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
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