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You are here: Home / Archives for refractometer

ANALYSIS OF CLEANING PRODUCT RAW MATERIALS

Density Meter

Preamble – Measuring Cleaning Product Materials The current crisis is bad, but it is a crisis and will get resolved. One of the left-over effects from it that will persist for many years though is an increased effort on cleaning. Airplane seats, sports venues and even doorknobs on residential houses are going to be subject […]

Filed Under: White Papers Tagged With: Density Meter, refractometer

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 […]

Filed Under: White Papers Tagged With: refractometer, refractometer calibration, refractometer validation, refractometers

Measurement of Concentration Dependence of Refractive Index to Enhance Gel Permeation Chromatography for Polymer Characterization

Measurement of Concentration Dependence of Refractive Index to Enhance Gel Permeation Chromatography for Polymer Characterization Author: Gabor Kiss Date: October 2019 Background: 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 power, etc. The […]

Filed Under: Uncategorized, White Papers Tagged With: dn/dc, dndc, Gel Permeation Chromatography, GPC, refractive index, refractometer, refractometers

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 […]

Filed Under: White Papers Tagged With: high temperature, refractometer, refractometers, temperature boost

Ultra Low Volume Refractometer

Ultra Low Volume Refractometer Background Low Volume Refractometer The Ultra Low Volume Refractometer (ULV) option is designed for situations where only a very limited amount of sample is available. This is often related to the biological sciences, but the ULV instrument will handle the same range of materials that a standard refractometer will. Refractometer Design […]

Filed Under: White Papers Tagged With: refractometer, refractometers, Ultra Low Volume Refractometer

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