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Measurement of Concentration Dependence of Refractive Index to Confirm Gel Permeation Chromatography Parameter Application Note November 2019 by Gabor Kiss Background: Gel Permeation Chromatography Refractometer One of the workhorse techniques for polymer characterization is Gel Permeation Chromatography (GPC) which is used to measure molecular weight, molecular weight distribution, degree of branching, radius of gyration, solvent […]
Refractometer Validation Refractometer Validation – In a regulated laboratory the purchase price of an instrument is only relatively small part of the total cost. For some instruments there are expensive consumables and the manufacturer will provide the original instrument very inexpensively in order to lock the laboratory into these. For other instruments the manufacturer […]
Refraktometer-Kalibrierung, 2-Punkt-Methode, Rudolph Research J157 - Video-Transkription Refraktometer-Kalibrierung - für Labor-Refraktometer-Benutzer, die ein automatisches Refraktometer von Rudolph Research verwenden. Hallo, ich bin John Ciccarella, Serviceleiter der innovativsten Refraktometerlinie, die heute von Rudolph Research Analytical hergestellt wird. John Ciccarella , Rudolph Research, Service-Manager mit einem [...]
