Application Notes: GC
High Speed Analysis of Xanthohumol in Beer
In this app note, xanthohumol, isoxanthohumol, humulinones, iso-α-acids, α-acids, and β-acids are simultaneously analyzed by high performance liquid chromatography.
Analysis of α-Acids and β-Acids in Hops
This article introduces the high-speed analysis of α-acids and β-acids in hops in reference to EBC 7.7 and ASBC Hops-14.
Analysis of Volatile Sulfur Compounds in Beer
Volatile sulfur compounds were analyzed in commercially available beer samples using GC with headspace sampler and sulfur chemiluminescence detection.
Shimadzu's Total Support for Beer Analysis
Shimadzu provides total solutions for beer analysis from farm to stein and service support to keep up with changing market demands.
Analysis of Aroma for Beverage Quality Control
Analysis of Organic Acids in Beer
This application describes the analysis of organic acids in beer by ion-exclusion chromatography and postcolumn pH-buffering conductivity detection.
HS–GC–FID: Survey of Ethanol Content in Fermented Food and Drink
This study shows high-throughput ethanol in food method analyzing for alcohol content in a variety of commercially available beverages and foods.
GC-FID: Analysis of Residual Solvents and Monomers in Plastic
Residual monomers and solvents can present health risks or impact performance of final product. Learn about this method that can help you meet the most stringent purity requirements.
GC–FID: Sensitive Routine Analysis of Commercial Flex Fuel Gasoline (E85) by ASTM Method D5501-2
This study shows a method that provides ideal separation efficiency and quantitative repeatability for ASTM Method D5501-20 analysis.
GC–FID: Limit of Diethylene Glycol and Ethylene Glycol According to USP Propylene Glycol Monograph
Learn about a GC-FID method that identifies propylene glycol and defines a limit test for ethylene glycol and diethylene glycol.
GC–FID: Limit of Cetyl Alcohol and Aliphatic Alcohol Impurities According to USP
Learn about residual impurities in cetyl alcohol method, according to the USP monograph, that offers enhanced compound resolution and highly repeatable injections.
GC–FID: Limit of Ethylene Glycol and Diethylene Glycol in Polyethylene Glycol 400 According to USP Monograph
This study focuses on PEG samples having a molecular weight of less than 450 where USP specifies a GC–FID using a packed column as the analytical method of choice.
GC-FID: Analysis of Fatty Acid Methyl Esters (FAMEs) in Edible Oils and Food Products
Fast method that provides excellent resolution and highly repeatable separations helping to improve data quality and increase laboratory productivity.
Volatile Petrochemical Hydrocarbons Analysis
Analysis of volatile petrochemical hydrocarbons in the environment by fully automated workflow (flow-modulated headspace–GC×GC–FID) for efficient sample quantitation
Profiling of Controlled Substances Using GC-TOF-MS
Using GC–TOF-MS for comprehensive profiling of seized drug samples, for confident identification of controlled substances, as well as adulterants and cutting agents
Discovery of Biomarkers in Breath (Sept 2022)
This study describes the development of an analytical platform based upon TD–GC×GC–TOF-MS and shows its application to the collection and analysis of breath samples.
High-Throughput Automated Workflow for Mineral Oil Determination in Water
Cost-saving benefits are achieved through an automated workflow for mineral oil analysis in water by in-vial liquid-liquid extraction, clean-up, and on-line GC analysis
A Fast and Robust GC–MS/MS Analysis of 203 Pesticides in 10 Min in Spinach
This application note describes two approaches for achieving a robust, multiresidue pesticide analysis in 10 min by GC–MS/MS for over 200 pesticides in spinach.
Five Keys to Unlock Maximum Performance in the Analysis of Over 200 Pesticides in Challenging Food Matrices by GC–MS/MS
Learn best practices to enhance analytical performance for the analysis of > 200 pesticides in challenging matrices using Agilent triple quadrupole GC–MS instruments.
Analysis of Semivolatile Organic Compounds with Hydrogen Carrier Gas and HydroInert Source by Gas Chromatography–Triple Quadrupole Mass Spectrometry (GC–MS/MS)
This application demonstrates low detection limit capabilities of the Agilent 7000E triple quadrupole GC–MS, meeting EPA 8270 requirements when using H2 carrier gas.
Equivalent GC Systems Performance for Regulatory Method Compliance and Validation
Methods migration from updating analytical equipment can be a time consuming task. This paper shows many examples of method compatibility and analytical equivalency.
Application Note : Analysis of e-liquids According to ISO 20714
In this application note we demonstrate the excellent performance of Sapiens-624MS columns for the analysis of e-liquids based on ISO 20714.
Analysis of United States Pharmacopeia (USP) Grade Isopropyl Alcohol Impurities
This application note describes two methods for isopropyl alcohol impurities detection: USP recommended 42-min analysis, and a speed-optimized method in less than 6 min.
PFAS Analysis Using a pH-Variable LC Mobile-Phase Gradient v3
A novel LC approach to manipulate the chromatography of closely related PFAS analytes to separate co-elutes and avoid matrix interferences.
The Effect of Draw-Out Lens Diameter
Investigating the effect of hydrogen and helium carrier gas across a range of column flow rates with different draw-out lenses for essential oil and volatile analysis
Analysis of e-liquids According to ISO 20714
In this application note we demonstrate the excellent performance of Sapiens-624MS columns for the analysis of e-liquids based on ISO 20714
Automated TD Sample Calibration Standard Preparation
The internal standard module of a CDS thermal desorber is used to automate the process of preparing calibration standards onto pre-conditioned thermal desorption tubes
Recollecting Samples in TD-GC-MS Methods
This application note demonstrates the quantitative recollection of split sample to a clean sample saver tube for a group of VOCs in TD–GC–MS.
Improving Plastic Recycling Process by Steam
Investigating Biodegradable Plastics by Pyroprobe
This application note follows the Pyroprobe application decision making tree with EGA and pyrolysis to study biodegradable plastics by GC-MS.