Jacob Rebholz

Articles

An Investigation into the Use of Alternate Carrier Gases for the Determination of Volatile Organic Compounds in Water by GC–MS

Robert Thomas;Roger Bardsley;Lee Marotta;Jacob Rebholz;Tom Hartlein

March 1st 2015

This study focuses on United States Environmental Protection Agency (US EPA) Method 524.3 for volatile organic compounds (VOCs) in water using gas chromatography–mass spectrometry (GC–MS).

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Analyzing Organic Acids in Fruit-Based Kombucha Analogues Using HPLC

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LC-HRMS Technology Used to Track Chemical Migration in Reusable Plastic Bottles

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Technology Trends in Separation Science: Data Handling

Pipette, liquid and test tube in laboratory for science experiment, chemical analysis and sample preparation. Equipment, closeup and dropper for medical research, biochemistry and solution mixing. | Image Credit: © CoetzeeRising/peopleimages.com

Published: May 13th 2025 | Updated: May 15th 2025

Sample Preparation of Drug Substances and Products in Regulated Testing: A Primer

The laboratory scientist prepares samples for download to High-performance Liquid Chromatograph Mass Spectrometr. | Image Credit: © Sodel Vladyslav

Published: May 13th 2025 | Updated: May 15th 2025

Reversed-Phases for LC Deliberately Doped with Positive Charge: Tips and Tricks for Effective Use

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