J57AB /J157AB Refractometers for Measurement of Urea Concentration for Diesel Engine Additives Standards Designed in accordance with DIN 70071 / ISO 22241-2 Basic operation The J57AB is a sub model of the J57HA and most details on the Technical Bulletin 941 apply; the J157AB is a sub model of the J157 and most details on […]
Automobile Industry Refractometer Options Package
Suggested users – Car and truck manufacturing factories looking to check fluids before they are put in new vehicles – Laboratories which analyze fluids from in-service vehicles – Companies making concentrated urea solutions that will eventually get diluted and sold to use in diesel engines – Companies buying concentrated urea solutions and diluting them for […]
Measurement of Concentration Dependence of Refractive Index to Confirm Gel Permeation Chromatography Parameter
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 […]
Messung der Konzentrationsabhängigkeit des Brechungsindex zur Verbesserung der Gelpermeationschromatographie für die Polymercharakterisierung
Messung der Konzentrationsabhängigkeit des Brechungsindex zur Verbesserung der Gelpermeationschromatographie für die Polymercharakterisierung Autor: Gabor Kiss Date: Oktober 2019 Hintergrund: Eine der Arbeitspferdtechniken für die Polymercharakterisierung ist die Gelpermeationschromatographie (GPC), die zur Messung von Molekulargewicht, Molekulargewichtsverteilung, Verzweigungsgrad, Kreiselradius, Lösungsmittelkraft usw. verwendet wird. Die [...]
Refractometer Temperature Boost Option
J Series Refractometer Temperature Boost Option Technical Bulletin J Series Refractometer with Temperature Boost Option The Rudolph Research Analytical J Series of refractometers are able to control temperature accurately in addition to reproducibility to the range mentioned in the relevant technical bulletin. However, for certain applications beyond that range, particularly in petroleum, pharmaceutical, plastics, specialty […]
