Rugged GC–MS-MS Pesticide Residue Analysis Fulfilling USDA PDP Requirements
Katerina Mastovska, Excellcon International LLC
A GC–MS-MS method for the analysis of pesticide residues in fruits and vegetables has been developed, optimized, and successfully implemented for routine use in a PDF laboratory.
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Using the Agilent Sample Prep WorkBench for Analysis of Estrone by GC–MS-MS
Peter Mrozinski, Selene Hernandez Ruiz, and Anthony Macherone, Agilent Technologies and the University of Arizona
This application note briefly outlines how the Agilent 7696A Sample Prep WorkBench can be used to prepare samples for analysis through GC–MS-MS using an automated workflow.
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Sensitive Detection of Pyrethroids in Surface Water and Sediment
Stephan Baumann, Agilent Technologies
A method has been developed on the Agilent GC–MS-MS backflushing. It delivers estimated method detection limits for pyrethroids as low as 0.05 ppt in water samples and 0.02 ppb for sediment.
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Metabolomics of Opiate-Induces Changes in Murine Brain by GC–QTOF
Manhong Wu, Ming Zheng, David Clark, Gary Peltz, Peyman Sahbaie, Sofia Aronova, Stephan Baumann Stanford University, Palo Alto Healthcare System, and Agilent Technologies
A study was performed to elucidate opiate-induced metabolic changes in murine brain. The capabilities of the Agilent GC–QTOF-MS enabled a very flexible and comprehensive workflow for identifying metabolomics differences.
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EPA Method 522: Determination of Selected Organic Contaminants
Ron Honnold and Robert Kubas, Agilent Technologies
As instrument sensitivity has improved, it has become possible to detect compounds at lower levels. This note investigates lower detection limits using the Agilent 240 Ion Trap.
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GC–MSD Chemometric Profiling of Whiskey
Takeshi Serino and Brian Hom, Agilent Technologies
Non-targeted compound analysis and statistical tools were used in combination with high sensitivity of the Agilent 5977A GC–MSD to generate compound profiles used to differentiate five brands of whiskey.
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Determination of Semivolatile Organic Compounds in Drinking Water
Jia-jia Wu, Agilent Technologies
A method has been developed on the Agilent 5977A Series GC–MSD for the detection of 30 SVOCs at levels as low as 5 ppb, with excellent linearity and reproducibility.
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Environmental Volatiles Using GC–MSD and Headspace Sampler
Mike Szelewski, Agilent Technologies
The Agilent 5977A GC–MSD with Headspace Sampler with extractor lens was used for analysis of environmental volatiles in water.
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Analysis of Nitrosamines in Drinking Water using GC–MSD
Yean-Woong You, Agilent Technologies
A GC–MSD method was developed that can provide detection of N-nitrosamines in water at sub-ppt levels — with limits of detection that are well below those cited in EPA Method 521.
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Sensitive, Reproducible Phthalate Analysis Using Agilent GC–MSD
Shuang Feng and Brian Hom, Agilent Technologies
A method was developed using Agilent GC–MSD that enables minimum detection limits and relative standard deviations less than 5% for six phthalates using the Etune setting and EI mode.
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