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Publications

T&T GPC/SEC: Beware of mismatch
Can I tell if a chromatogram's shoulder or side peak is part of my sample? Is it superior GPC/SEC resolution or artefact?
Language
Publication Number
20272
Publication Type
Tip&Trick
Source
The Column
Year
2008
Publication date
29.05.2008
Issue
4
Author
T. Hofe
T&T GPC/SEC: Branching Analysis
Branching is one of the parameters chemists can adjust to produce polymer materials with optimized physical properties. Chromatography and advanced detection can help to characterize branched…
Language
Publication Number
20444
Publication Type
Tip&Trick
Source
The Column
Year
2016
Publication date
07.06.2016
Issue
6
Author
D. Held, P. Montag, W. Radke
T&T GPC/SEC: Calibration Using Broad Standards
For polymeric materials where no narrowly distributed molar mass standards are available, reliable and true molar masses can be obtained using well characterized samples of broad molar mass…
Language
Publication Number
20443
Publication Type
Tip&Trick
Source
The Column
Year
2015
Publication date
10.02.2015
Issue
2
Author
W. Radke, D. Held
T&T GPC/SEC: Column Issues with Light Scattering Detectors
The addition of a light scattering detector dramatically increases the capabilities of gel permeation chromatography/size-exclusion chromatography (GPC/SEC) analysis. However, the complexity of the…
Language
Publication Number
20477
Publication Type
Tip&Trick
Source
The Column
Year
2019
Publication date
11.04.2019
Issue
4
Author
T. Hofe, M. Susewind
T&T GPC/SEC: Copolymer Analysis in GPC/SEC_1: Compositional analysis by GPC/SEC with multiple detection
GPC/SEC analysis reveals a multitude of molar mass information about unknown samples which are chemically simple or homogenous. However, results for copolymers may be compromised by the fact that…
Language
Publication Number
20339
Publication Type
Tip&Trick
Source
The Column
Year
2010
Publication date
08.06.2010
Issue
6
Author
P. Kilz
T&T GPC/SEC: Copolymer Analysis in GPC/SEC_2: Polymer Liquid Adsorption Chromatography
The CCD can be determined using several techniques including dual detection (see Tip&Trick copolymer analysis part 1). In this case GPC/SEC separation based on the size (hydrodynamic volume) is…
Language
Publication Number
20340
Publication Type
Tip&Trick
Source
The Column
Year
2010
Publication date
20.08.2010
Issue
8
Author
P. Kilz
T&T GPC/SEC: Do's and Don'ts for Data Analysis_
GPC/SEC data processing requirements are fundamentally different from those of other liquild chromatographic techniques like for example HPLC. GPC/SEC users should follow some basics rules when the…
Language
Publication Number
20386
Publication Type
Tip&Trick
Source
The Column
Year
2013
Publication date
21.03.2013
Issue
2
Author
D. Held
T&T GPC/SEC: Do's and Don'ts in GPC/SEC Light Scattering
Light scattering (LS) is one of the few absolute, theoretically founded methods for the determination of molar mass and molecular size of polymers and biopolymers. Light scattering instruments became…
Language
Publication Number
20296
Publication Type
Tip&Trick
Source
The Column
Year
2009
Publication date
26.02.2009
Issue
2
Author
D. Held
T&T GPC/SEC: Evaporative Light Scattering Detection in GPC/SEC
Introduced in the 1980s, evaporative light scattering detectors (ELSDs) have been used in liquid chromatography (LC) as sensitive, universal detectors for the detection of non-volatile sample…
Language
Publication Number
20411
Publication Type
Tip&Trick
Source
The Column
Year
2013
Publication date
28.10.2013
Issue
10
Author
D. Held
T&T GPC/SEC: Examining accuracy and precision in GPC/SEC
Any analytical method has its intrinsic inaccuracy. It is important to know these limits and the accuracy and presicion to interpret the results in the right way.
Language
Publication Number
20271
Publication Type
Tip&Trick
Source
The Column
Year
2008
Publication date
16.04.2008
Issue
2
Author
F. Gores, P.Kilz
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