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ChromAcademy
Corporate Profiles
Data Acquisition, Handling, and Archiving
Data Analysis, Statistics, and Chemometrics
Dietary Supplements Analysis
Environmental Analysis
Field-Flow Fractionation (FFF)
Food and Beverage Analysis
Forensics, Narcotics
From the Editor
GC–MS
Gas Chromatography (GC)
HILIC
HPLC
Ion Chromatography
LCGC Interviews
LCGC TV: Gas Chromatography
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Medical/Biological
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Peer-Reviewed Articles
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Preparative-Scale Chromatography
Process Analytical Technology (PAT)
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Quality by Design (QbD)
Regulatory Standards, GLP and GMP Compliance
Sample Preparation
Size-Exclusion Chromatography (SEC)
Solid-Phase Extraction (SPE)
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Brian W. Pack

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Eli Lilly and Company Pharmaceutical Product Research and Development, Lilly Research Laboratories, Indianapolis, Indiana.

Articles

Simultaneous Determination of Positive and Negative Counterions Using a Hydrophilic Interaction Chromatography Method

Simultaneous Determination of Positive and Negative Counterions Using a Hydrophilic Interaction Chromatography Method

Brian W. Pack;Donald S. Risley
August 1st 2006

The authors work to develop a universal high performance liquid chromatography method that is capable of simultaneously retaining and separating both cations and anions within a single chromatographic analysis for the purpose of quantification in pharmaceutical products.

Latest Updated Articles

Analyzing Organic Acids in Fruit-Based Kombucha Analogues Using HPLC
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Chromatograph with glass sample bottles | Image Credit: © JJIMAGE - stock.adobe.com
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Molecule of pepsin stomach enzyme | Image Credit: © Dr_Microbe - stock.adobe.com.
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Agilent Technologies Battery Summit
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Agilent Technologies Battery Summit
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