GPC/SEC Tipps&Tricks

GPC/SEC Tipps&Tricks wurde von PSS für LC/GC Europe entwickelt. Seit Februar 2007 erscheinen alle 2 Monate neue Ausgaben in LC/GC Europes Digitalem Magazin "The Column".

Diese Tipps&Tricks sollen GPC/SEC-Benutzer bei ihrer täglichen Arbeit unterstützen und umfassende Übersichten zu verschiedenen Aspekten dieser leistungsstarken Trenntechnik liefern.

Viele Leser sammeln diese Veröffentlichungen und haben uns um ein Kompendium gebeten. Dies führte zur Erstellung von 5 bei PSS erhältlich E-Books, die jeweils auf 5-8 verschiedenen Tipps&Tricks-Veröffentlichungen basieren und mit aktuellen Informationen, neuen Beispielen und Abbildungen überarbeitet wurden.

Bitte kontaktieren Sie uns, um ein PDF zu erhalten, gerne senden wir Ihnen diese zu.

Sollten Sie Publikationen zu einem bestimmten Thema vermissen oder möchten Sie, dass wir einThema ausarbeiten, können Sie uns gerne Vorschläge unterbreiten. Gerne können Sie auch ein spezifisches Problem einreichen.

Aktuelle Publikationen

The Column 07 / 2022


Column Order in GPC/SEC

The Column 04 / 2022


Trouble Analyzing PEG's?

The Column 01 / 2022


A Few Things Molar Mass Distributions Can (and Can’t) Tell

Archive

2021

The Column 01 / 2021


Cumulative Distributions and Cumulative Match Calibration

 

The Column 04 / 2021


Separation Range and Resolution

The Column 08 / 2021


A Few Things Chromatograms Can (and Can't) Tell

 

The Column 11 / 2021

 Influence of Sample Dispersity on the GPC/SEC Separation of Multi-Component Systems

 

2020

The Column 1 / 2020


Silica Versus Polymer‑Based Columns

The Column 4 / 2020


Aqueous GPC/SEC  for Water-Soluble  Macromolecules

The Column 8 / 2020


Particle Size and the Effect of Mixing Columns of Different Particle Size

The Column 11 / 2020


Alternatives to Narrow Standard Calibration in GPC/SEC

2019

The Column 2 / 2019


System Peaks or Ghost Peaks in GPC/SEC

The Column 10 / 2019


Systematic errors in GPC/SEC/GFC

The Column 4 /2019


Column Issues with Light Scattering Detectors

The Column 12 / 2019


"Green" GPC/SEC and Solvent Alternatives

The Column 6 / 2019


How GPC/SEC Can Help to Reduce PET Plastic Waste

The Column 8 / 2019


High Temperature GPC versus ambient GPC

2018

The Column 4 / 2018


How Do Calibration Curves Influence GPC/SEC Results?

The Column 12 / 2018


What you need to know to allow for efficient GPC/SEC Troubleshooting

 

The Column 6 / 2018


Aqueous GPC/SEC: Influence of Salt and pH

The Column 8 / 2018


UV-vis Detection

The Column 10 / 2018


What are differences between GPC, SEC and GFC and how to get started?

2017

The Column 2 / 2017


Quantify and get more than Molar Mass Averages

The Column 10 / 2017


New and Old Approaches to Handle Unknown dn/dc in GPC/SEC-LS

The Column 4 / 2017


Protein Analysis with Size-Exclusion Chromatography

The Column 12 / 2017


How to Treat Your RI Detector

The Column 6 / 2017


Product Registration and REACH

The Column 8 / 2017


Inter-Detector Delay

2016

The Column 2 / 2016


Upside Down - Inverse GPC for Pore Size Distributions

The Column 10 / 2016


GPC/SEC for Membrane Analysis

The Column 4 / 2016


Flow Marker - An Easy Concept to Increase Reproducibility

The Column 12 / 2016


How Broad is Broad for Macromolecules?

The Column 6 / 2016


Branching Analysis

The Column 8 / 2016


GPC/SEC-Light Scattering: Garbage In, Garbage out

2015

The Column 2 / 2015


Calibration Using Broad Standards

The Column 10 / 2015


How to Care for Your GPC/SEC Instrument

The Column 4 / 2015


How to Determine dn/dc Values

The Column 12 / 2015


Finding the Right Standards

The Column 6 / 2015


Answering Common Questions about GPC/SEC Columns

The Column 8 / 2015


Strategies to Save Solvent

2014

The Column 2 / 2014


How to Install GPC/SEC Columns

The Column 10 / 2014


Sample Recovery and More

The Column 4 / 2014


Mobile Phase Considerations

The Column 12 / 2014


From a Chromatogram to the Molar Mass Distribution

The Column 6 / 2014


The Art of Analyzing High Molar Mass Samples

The Column 8 / 2014


How to test GPC/SEC Columns

2013

The Column 2 / 2013


GPC/SEC do's and don'ts for data analysis

The Column 10 / 2013


Evaporative Light Scattering Detection in GPC/SEC

The Column 4 / 2013


GPC/SEC Method Optimization

The Column 12 / 2013


Select the Right Columns for Your Molar Mass Range

The Column 6 / 2013


Analysis and Calibration for Low Molar Mass Macromolecules

The Column 8 / 2013


An Alternative to Calibration with Narrow Standards

2012

The Column 2 / 2012


GPC/SEC-Viscometry – a Versatile Tool

The Column 10 / 2012


What is the best detector sequence?

The Column 4 / 2012


How to get a stable Baseline

The Column 12 / 2012


GPC/SEC Method Development

The Column 6 / 2012


Result Uncertainty - How reliable are Results?

The Column 8 / 2012


Faster Results

2011

The Column 2 / 2011


Increase Resolution and Separation Range

The Column 10 / 2011


Improving the Reliability of GPC/SEC Light Scattering and Viscometry Results

The Column 4 / 2011


Mass spectrometry as a new solution

The Column 12 / 2011


Is this real? Unexpected Peak Shapes

The Column 7 / 2011


GPC/SEC columns - Dos and Don'ts

The Column 8 / 2011


Sample preparation

2010

The Column 3 / 2010


How to Validate a GPC/SEC System

 

The Column 10 / 2010


Copolymer Analysis in GPC/SEC 3: 2-dimensional Chromatography

The Column 4 / 2010


UGPC? Making GPC/SEC faster

 

The Column 12 / 2010


Peak Identification in GPC/SEC

The Column 6 / 2010


Copolymer Analysis in GPC/SEC 1: Compositional analysis by GPC/SEC with multiple detection

The Column 8 / 2010


Copolymer Analysis in GPC/SEC 2: Polymer Liquid Adsorption Chromatography

2009

The Column 02 / 2009


Do’s and Don’ts in GPC/SEC-Light Scattering

 

The Column 12 / 2009


How to expand the lifetime of columns

The Column 4 / 2009


Choose a Static Light-scattering Technique

 

The Column 6 / 2009


How does the Flow-rate Influence GPC/SEC Results

The Column 8 / 2009


Temperature Effects in GPC/SEC

2008

The Column 2 / 2008


Accuracy and precision in GPC/SEC

 

The Column 10 / 2008


Understanding positive and negative detector signals

The Column 4 / 2008


BEWARE of Mismatch


 

The Column 12 / 2008


A new development in high temperature (HT) GPC/SEC

The Column 6 / 2008


How do I calibrate a GPC/SEC system?

The Column 8 / 2008


What are the applications for (polymer) reference standards?

2007

The Column 2 / 2007


How do I find the optimum sample concentration and injection volume for my GPC/SEC measurements?

 

The Column 8 / 2007


The importance of molar mass distributions

The Column 10 / 2007


A look at the importance of molar mass averages.

The Column 12 / 2007


How to find the ideal stationary GPC/SEC separation phase?

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