Rudolph’s J257 is a Digital, Bench-top Refractometer, featuring electronic cooling and heating with an extended, refractive index (RI), measurement range. The wide range of 1.26 – 1.72 means that this instrument can measure all materials in every pharmacopeia.One of the most capable and advanced digital, bench-top refractometers available for use in modern laboratories today. The […]
Refractometer Video – The Rudolph Research J457
The most capable refractometer in the Rudolph Research Refractometer product line. Rudolph’s J457 Automatic Refractometer is available in a Standard, Factory & Wall-Mount Configuration. One of the most capable and advanced digital, bench-top refractometers available for use in modern laboratories today. The Rudolph Research J 457 offers exclusive, Dual Peltier Heating and Cooling for effective […]
Rudolph Polarimeter Cell Cleaning Video
Polarimeter Cell Cleaning Video The proper procedure for cleaning a Rudolph Research Digital, Autopol V Plus, Polarimeter, sample cell. Detailed instructions to ensure you can produce accurate and reproducible measurements with a variety of sample types. Covers cleaning, filling, solvent, and visual inspection of the cell. Includes details to disassemble the cell if more thorough […]
Polarimeter Measurement with a Rudolph Research Autopol Polarimeter
Polarimeter Measurement Polarimeter Technical Video: Taking a measurement with Rudolph Research’s Autopol V Plus, Digital, Bench Top Polarimeter. The proper procedures for loading a sample cell and taking a measurement. Rudolph Research Analytical has been building Polarimeters for many decades and this video features the Autopol V Plus, one of our newest and most capable […]
Refractometer Temperature Correction & Control using a Rudolph J457 Refractometer
Refractometer Temperature Correction & Control with a Rudolph J457 Rudolph Research Analytical details the difference between Temperature Control & Temperature Correction using distilled water, cranberry juice, ethylene glycol & engine oil on their newest automatic refractometer, the J457. The accuracy of Temperature Correction Vs Temperature control on samples that deviate from pure water and sucrose […]
