Gas chromatography

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EN 14105: GC Analysis of Glycerin Impurity in Biodiesel on MET-Biodiesel

GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1

Protocol for GC Analysis of Bacterial Acid Methyl Esters (BAMEs) on Equity®-1

Allergenic Fragrance Testing – Certified Materials

IFRA method introduces new CRMs for allergenic fragrances, analyzed by GC with ionic liquid capillary column for selectivity.

Analysis of Alkylphenols Using New Internal Standards

Alkylphenols are used in various industries like paper manufacturing and pesticide formulations.

FAME Standard for Optimizing 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)

Fast and Reliable Environmental Analysis of Aldehyde and Ketone Air Pollutants

Aldehydes and ketones are ubiquitous air pollutants. Along with esters and ethers, they are major components of indoor air pollution and are therefore important for industrial hygiene applications.

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

Analysis of Adulterated Lemon Essential Oil on the SLB-5ms

Citrus essential oils hold significant economic value. These intricate substances find primary use in the food, beverage, cosmetic, and perfume industries.

GC Analysis of a 37-Component FAME Mix on SP™-2560

A protocol for GC Analysis of a 37-Component FAME Mix on SP™-2560.

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

Capillary GC Columns for GC x GC

GCxGC excels in compound resolution, making it indispensable in analytical chemistry for complex samples.

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 Free and Total Glycerin in B100

Glycerin determination methods require multi-component calibration solutions for accurate analysis.

Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column

DRO, EPH, ETPH, GRO, PRO, PVOC, STARS, TPH, VPH? Help, I’m Trapped in Alphabet Soup!

There are three types of analyses: GRO, DRO, and TPH. The published methods are simply variations of these to meet the different analytical needs of the individual agencies.

Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column

GC Analyses of FAMEs by Boiling Point Elution

GC Analyses of Free Fatty Acids

GC Analysis of C5-C12 n-Alkanes and BTEX on SUPELCOWAX® 10

Separation of null

GC Analysis of a 37-Component FAME Mix on SP™-2560, Slower Oven Ramp

GC Analysis of Glycerides in Coconut Oil (Organic, Extra Virgin) on SLB-35ms

Separation of T30; T36; T42; T48

GC Analysis of Glycols and Diols

GC Analysis of Grob Test Mix SLB IL76i

GC Analysis of Grob Test Mix on SLB®-IL76i

GC Analysis of PBDE Flame-Retardant Compounds

GC Analysis of Sweet Orange Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µm), Fast GC Analysis

-β-Farnesene; α-Huµlene; Germacrene D; (+)-Valencene; Bicyclogermacrene; (+)-δ-Cadinene

GC Analysis of Water (100%Standard) on Watercol™ 1460

Separation of Water

Improved Resolution of Benzene, Other Aromatics and Oxygenates in Reformulated Gasoline Using a One-Column Approach

The SLB-ILD3606 column is able to resolve benzene and toluene from oxygenates (alcohols, ketones, ethers) and the aliphatic portion of gasoline.

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

Measuring Flows For Gas Chromatography – Volumetric vs. Mass

When choosing a flowmeter, it is essential to consider the attributes and needs of the application. This article provides information related to measuring GC flow rate by both volume and mass.

Prevent GC Inlet Problems BEFORE They Cost You Time and Money

Every laboratory should have a preventative maintenance schedule that is adhered to, allowing their GC systems to produce optimal chromatography.

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