Problems Associated with SEC Measurements of Polymers Among Laboratories: Summary on Cooperative Determination of Molecular Weight Averages of Polystyrenes by SEC in Japan

Mori, Sadao

doi:10.1080/10236669808009733

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Cited by 7 publications

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Determination of the Molecular Weight

Wampfler,

Affolter,

Ritter

et al. 2022

Measurement Uncertainty in Analysis of Plastics

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Although synchrotron radiation provides a powerful X-ray source for scattering experiments, the absolute measurement of scattered X-ray intensity causes a practical problem. Since the conventional molecular weight determination by small-angle X-ray scattering requires the absolute intensity to be evaluated accurately, no experiment was undertaken so far to determine the molecular weight by synchrotron radiation small-angle X-ray scattering. A theory was developed to evaluate the molecular weight without knowledge of absolute scattered intensity, and the theory was examined by four biopolymers including lysozyme,bovine serum albumin and pullulan.

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