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Publications

Understanding the WinGPC Light Scattering Setup - Part 2
In the first part of this Tips&Tricks, the system parameters inter detector delay, normalization constants, concentration detector constant and light scattering detector constant have already been…
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Language
Publication Number
30196
Publication Type
WinGPC Application
Source
PSS WinGPC Newsletter
Year
2008
Publication date
17.10.2008
Issue
3
How can I optimize Calibration Curves using WinGPC?
The central element in any GPC-evaluation process is the calibration curve that is needed to transform chromatograms into the corresponding molar mass distributions. The calibration curve represents…
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Language
Publication Number
30197
Publication Type
WinGPC Application
Source
PSS WinGPC Newsletter
Year
2008
Publication date
17.10.2008
Issue
3
Welche Detektorreihenfolge ist sinnvoll? (T&T)
Der Informationsgehalt von GPC/SEC-Messungen kann durch Kombination von Detektoren beträchtlich erhöht werden. Welche physikalischen Randbedingungen gibt es für die Detektorkombination? In welcher…
Language
Publication Number
20284
Publication Type
Tip&Trick
Source
LaborPraxis Laborjournal
Year
2008
Publication date
04.11.2008
Issue
9
Author
D. Held
Negative Peaks - muss das sein? (T&T)
Detektorsignale können nicht nur positiv sondern auch negativ sein. Je nach Detektortyp hat das Auswirkungen auf die Planung der Messungen. Manche negativen Signale sind hilfreich, andere erschweren…
Language
Publication Number
20286
Publication Type
Tip&Trick
Source
LaborPraxis Laborjournal
Year
2008
Publication date
04.11.2008
Issue
10
Author
D. Held
Semi-präparative GPC/SEC:_Mehr als nur Mittelwerte und Verteilungen (T&T)
Die Kenntnis von Molmassenmittelwerten und -verteilung reicht nicht immer aus, um alle Eigenschaften polymerer Produkte umfassend zu verstehen. Niedermolekulare Bestandteile oder einzelne Bestandteile…
Language
Publication Number
20292
Publication Type
Tip&Trick
Source
LaborPraxis Laborjournal
Year
2008
Publication date
10.11.2008
Issue
11
Author
D. Held
T&T GPC/SEC: How do I calibrate a GPC/SEC system?
GPC/SEC is the method of choice for characterizing macromolecules by distribution (MMD). It is an easy to use method and measurements can be done using standard LC equipment, proper high resolution…
Language
Publication Number
20273
Publication Type
Tip&Trick
Source
The Column
Year
2008
Publication date
04.12.2008
Issue
6
Author
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…
Language
Publication Number
20283
Publication Type
Tip&Trick
Source
The Column
Year
2008
Publication date
04.12.2008
Issue
8
Author
D. Held
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 -…
Language
Publication Number
20288
Publication Type
Tip&Trick
Source
The Column
Year
2008
Publication date
04.12.2008
Issue
10
Author
D. Held, P. Kilz
Schnelle Hilfe bei Druckanstieg (T&T)
Das häufigste Problem, das bei Flüssigchromatographie-Geräten auftritt, ist ein ansteigender Systemdruck. Der Druckanstieg kann plötzlich nach der Probeninjektion auftreten oder aber schleichend…
Language
Publication Number
20293
Publication Type
Tip&Trick
Source
LaborPraxis Laborjournal
Year
2008
Publication date
05.12.2008
Issue
12
Author
G. Reinhold
T&T GPC/SEC: A Development in High Temperature (HT) GPC/SEC
Size exclusion chromatography (SEC) is a powerful method for analysing molar mass distributions. It is essential, that the GPC/SEC eluent is appropiate for the analyzed polymers. Some kinds of…
Language
Publication Number
20289
Publication Type
Tip&Trick
Source
The Column
Year
2008
Publication date
06.12.2008
Issue
12
Author
P. Montag
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