2012
DOI: 10.1016/j.chroma.2012.08.005
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Filter-based infrared detectors for high temperature size exclusion chromatography analysis of polyolefins: Calibration with a small number of standards and error analysis

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Cited by 22 publications
(26 citation statements)
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“…the methyl sensitive channel over the total concentration channel). Different correlations to chemical composition are found for different analytical signals, and it is possible to compare their performance by using statistical parameters based on the confidence interval of the calibration lines …”
Section: Resultsmentioning
confidence: 99%
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“…the methyl sensitive channel over the total concentration channel). Different correlations to chemical composition are found for different analytical signals, and it is possible to compare their performance by using statistical parameters based on the confidence interval of the calibration lines …”
Section: Resultsmentioning
confidence: 99%
“…The approach used to obtain the error bars along the chromatogram was proposed by the authors, and makes use of the noise level of the absorbance chromatograms measured along the analyses, and the calibration straight‐line slope. Given that the noise level may vary for different experiments due to solvent quality or other external factors, the fact that this method is based on noise determination close in time to the actually measured data makes the estimated uncertainty more realistic.…”
Section: Resultsmentioning
confidence: 99%
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“…This calibration approach is based on using a limited set of reference samples, in line with previously published work. [23] A triple detector GPC system, which consists of the combination of the sizebased separation by GPC with a light scattering detector (LS), a capillary viscometer and a concentration detector, allows the accurate determination of MMD, and also the study of the polymer molecular architecture. [24][25][26][27] Variation in the Mark-Houwink (MH) plot (log-log plot of intrinsic viscosity against molar mass), and in the related conformation plot (log-log plot of radius of gyration against molar mass), in correlation with SCB or comonomer content in polyethylene (PE) have been described in literature, [28,29] basically as a decrease in the intercept value with increasing SCB level.…”
Section: Introductionmentioning
confidence: 99%