All PublicationsLCGC InternationalLCGC North AmericaLCGC EuropeLCGC Asia PacificLCGC SupplementsThe ColumnE-BooksThe Application Notebook
Columns
All NewsInterviews
All App NotesBiological, Medical, and ClinicalBiopharmaceuticalsCannabisChiralEnvironmentalFood and BeverageGCGC-MSGeneralIndustrialLCLC-MSMedical/BiologicalMisc TechniquesPharmaceuticalsPolymersSample PrepSize-Exclusion Chromatography (SEC)Supercritical Fluid Chromatography (SFC)
Conference CoverageConference Listing
Webcasts
ProductsE-BooksChromTubeEventsAnalytically Speaking PodcastPodcastsPodcast SeriesSponsored VideosQ&AsSponsored ContentContent Engagement HubsTips & TricksIndustry InsightsCareer OpportunitiesPeer Exchange
DirectorySubscribe
Analytical Instrumentation
Analytical Theory
Biological, Medical, and Clinical Analysis
Biopharmaceutical Perspectives
Biopharmaceuticals and Protein Analysis
Cannabis Analysis
Capillary Electrophoresis
Chiral Chromatography
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
LCGC TV: Hyphenated Techniques
LCGC TV: Liquid Chromatography
LCGC TV: Sample Preparation
LC–MS
Liquid Chromatography (LC/HPLC)
Market Profiles
Mass Spectrometry
Medical/Biological
Multidimensional GC
Multidimensional LC
Peer-Reviewed Articles
Pharmaceutical Analysis
Preparative-Scale Chromatography
Process Analytical Technology (PAT)
Quality Control/Quality Assurance (QA/QC)
Quality by Design (QbD)
Regulatory Standards, GLP and GMP Compliance
Sample Preparation
Size-Exclusion Chromatography (SEC)
Solid-Phase Extraction (SPE)
Supercritical Fluid Chromatography (SFC)
Supercritical Fluid Extraction (SFC)
The Next Generation
Thin Layer Chromatography
Trends
UHPLC
Web of Science
Spotlight -
  • Agilent Technologies Battery Summit
  • Advances in Gas Chromatography
  • Rising Stars of Separation Science 2024
Analytical Instrumentation
Analytical Theory
Biological, Medical, and Clinical Analysis
Biopharmaceutical Perspectives
Biopharmaceuticals and Protein Analysis
Cannabis Analysis
Capillary Electrophoresis
Chiral Chromatography
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
LCGC TV: Hyphenated Techniques
LCGC TV: Liquid Chromatography
LCGC TV: Sample Preparation
LC–MS
Liquid Chromatography (LC/HPLC)
Market Profiles
Mass Spectrometry
Medical/Biological
Multidimensional GC
Multidimensional LC
Peer-Reviewed Articles
Pharmaceutical Analysis
Preparative-Scale Chromatography
Process Analytical Technology (PAT)
Quality Control/Quality Assurance (QA/QC)
Quality by Design (QbD)
Regulatory Standards, GLP and GMP Compliance
Sample Preparation
Size-Exclusion Chromatography (SEC)
Solid-Phase Extraction (SPE)
Supercritical Fluid Chromatography (SFC)
Supercritical Fluid Extraction (SFC)
The Next Generation
Thin Layer Chromatography
Trends
UHPLC
Web of Science
    • Columns
    • Webcasts
    • Directory
    • Subscribe
Advertisement

Brian W. Pack

home / authors / brian-w-pack-0

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
Published: November 15th 2024 | Updated: November 19th 2024
Analyzing Organic Acids in Fruit-Based Kombucha Analogues Using HPLC
LC-HRMS Technology Used to Track Chemical Migration in Reusable Plastic Bottles
Published: November 18th 2024 | Updated: November 19th 2024
LC-HRMS Technology Used to Track Chemical Migration in Reusable Plastic Bottles
Technology Trends in Separation Science: Data Handling
Published: July 3rd 2024 | Updated: July 8th 2024
Technology Trends in Separation Science: Data Handling
Published: December 19th 2024 | Updated: December 26th 2024
Advances in Biopharmaceutical Analysis (Dec 2024)
Published: December 19th 2024 | Updated: December 26th 2024
Advances in Biopharmaceutical Analysis EU
Vol 20 No 12 The Column December 2024 North America PDF
Published: December 4th 2024 | Updated: December 26th 2024
Vol 20 No 12 The Column December 2024 North America PDF
About
Advertise
Author Guidelines
Contact MJH
Editorial Advisory Board
Ethics Policy
Do Not Sell My Personal Information
LCGC Staff
Privacy Policy
Permissions
Subscriptions
Terms and Conditions
Contact Info

2 Commerce Drive
Cranbury, NJ 08512

609-716-7777

© 2024 MJH Life Sciences

All rights reserved.
Home
About Us
News