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LCGC North America-04-01-2019
LCGC North America
Vol 37 No 4 LCGC North America April 2019 Regular Issue PDF
April 01, 2019
LCGC North America, April 2019
37
4
Click the title above to open the LCGC North America April 2019 issue, Volume 37, Number 4, in an interactive PDF format.
Reversed-Phase Liquid Chromatography and Water, Part II: Re-equilibration of the Stationary Phase Following Gradient Elution
April 01, 2019
LC Troubleshooting
37
4
Re-equilibrating a reversed-phase stationary phase following aqueous gradient elution can be achieved much faster than you think.
New HPLC Systems and Related Products Introduced in 2018–2019: A Brief Review
April 01, 2019
Perspectives in Modern HPLC
37
4
New HPLC and MS systems: A review of instrumentation trends and the current market along with new instruments, modules, chromatography data systems, and related software.
Electron Ionization in GC–MS
April 01, 2019
The Essentials
37
4
We provide a succinct explanation of electron ionization for GC–MS and illustrate the fundamentals of ion formation.
Trends in Water Analysis
April 01, 2019
Focus on Environmental Analysis
37
4
In this interview, Thomas Letzel of the Technical University of Munich considers the current state of water analysis, looking at recommended techniques, the growth of nontargeted screening, and multi-disciplinary collaboration.
Data Integrity Focus, Part IV: Are Raw Data and Complete Data the Same?
April 01, 2019
Feature
37
4
The meaning of the terms raw data and complete data are explored. One term is from EU GMPs and the other is from US GMPs. Do they mean the same thing?
Chromatography Fundamentals, Part VI: The Gaussian Distribution and Moment Analysis
April 01, 2019
Peer-Reviewed Article
37
4
How well do Gaussian-shaped profiles represent injected solute peaks after they are eluted through a chromatographic column? This question is explored along with a discussion of moment analysis for determining retention time, variance, and shapes of peaks.