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Veröffentlicht
T&T GPC/SEC: The Art of Analyzing High Molar Mass Samples
GPC/SEC is a method that can be used for a variety of samples with molar masses ranging from only a few hundred up to several million daltons. While handling of low molar mass samples is straight…
Sprache
Veröffentlichungsnummer
20419
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2014
Veröffentlicht
10.06.2014
Ausgabe
6
Autor
D. Held
T&T GPC/SEC: The importance of molar mass distributions
Why are molar mass distributions (MMD) important and what is the difference between a molar mass distribtution and a chromatogram?
Sprache
Veröffentlichungsnummer
20254
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2007
Veröffentlicht
31.08.2007
Ausgabe
8
Autor
D. Held
T&T GPC/SEC: Trouble Analyzing PEGs?
This instalment of Tips & Tricks will discuss experimental details that need to be considered when analyzing PEGs.
Sprache
Veröffentlichungsnummer
20527
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2022
Veröffentlicht
08.04.2022
Ausgabe
4
Autor
W. Radke, H. Berg
T&T GPC/SEC: UGPC? Making GPC/SEC faster
Ultra-HPLC (UHPLC) provides a new potential for method development and analysis. It is achieved by using sub-2 µm particle size column packing at increased linear velocities. The advantage of UHPLC…
Sprache
Veröffentlichungsnummer
20324
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2010
Veröffentlicht
10.04.2010
Ausgabe
4
Autor
D. Held, G. Reinhold, P. Kilz
T&T GPC/SEC: Understanding positive and negative detector signals
What are typical detectors in GPC/SEC? What are the differences between these detectors and their signals? Are negative detector signals possible and how can they be avoided? Application guide -…
Sprache
Veröffentlichungsnummer
20288
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2008
Veröffentlicht
04.12.2008
Ausgabe
10
Autor
D. Held, P. Kilz
T&T GPC/SEC: Upside Down - Inverse GPC for Pore Size Distributions
Gel permeation/size-exclusion chromatography (GPC/SEC) is the standard method for separating samples by molecular size and determining molar mass distributions. However, GPC/SEC instruments can also…
Sprache
Veröffentlichungsnummer
20448
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2016
Veröffentlicht
11.03.2016
Ausgabe
2
Autor
D. Held, P. Kilz
T&T GPC/SEC: UV-vis Detection
The most commonly applied detector in gel permeation chromatography/size-exclusion chromatography (GPC/SEC) is the differential refractive index detector, RI. How UV-vis detection, if applicable, adds…
Sprache
Veröffentlichungsnummer
20464
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2018
Veröffentlicht
15.08.2018
Ausgabe
8
Autor
D. Held
T&T GPC/SEC: What are the applications for (polymer) reference standards?
What types of reference standards are available? What are applications for (polymer) reference standards? Application guide - How are reference standards classified and characterized? Why do I need…
Sprache
Veröffentlichungsnummer
20283
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2008
Veröffentlicht
04.12.2008
Ausgabe
8
Autor
D. Held
T&T GPC/SEC: What are the differences between GPC, SEC, and GFC, and how do you get started with the technique?
Molar mass distributions, molar mass averages, and polydispersity can be determined by gel permeation chromatography (GPC), size-exclusion chromatography (SEC), and gel fi ltration chromatography…
Sprache
Veröffentlichungsnummer
20468
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2018
Veröffentlicht
14.12.2018
Ausgabe
10
Autor
D. Held
T&T GPC/SEC: What You Need to Know to Allow for Efficient GPC/SEC Troubleshooting
Although modern gel permeation chromatography/size-exclusion chromatography (GPC/SEC) instruments are generally very reliable, scientists sometimes encounter problems. This instalment of GPC/SEC Tips…
Sprache
Veröffentlichungsnummer
20465
Publication Type
Tip&Trick
Quelle
The Column
Jahr
2018
Veröffentlicht
20.12.2018
Ausgabe
12
Autor
D. Held