Measuring Alcohol Concentration for Alcohol Proof by measuring the Density of Alcohol Alcohol Concentration Determination Introduction – Pycnometers, hydrometers, and digital density meters are officially recognized methods for the determination / measuring alcohol proof (ethanol) concentration for quality control and to insure proper product labeling for declaration of alcohol proof testing for the payment of […]
Refractometer Temperature Correction Vs Control
Refractometer Temperature Correction & Control Peter Marriott – Refractometer Product Manager Rudolph Research Analytical Also see video: Refractometer, Temperature Correction & Control with a Rudolph J457 We are going to look at the effects of changing temperature on refractive index measurement and if Temperature Correction can compensate for temperature variances or if actual temperature control […]
Digital Refractometers – Universal Concentration Meters
Digital Refractometers – Universal Concentration Meters By Angelo DePalma, Ph.D – Partial Reprint – Originally Published April 6th, 2011, for original see Lab Manager; – Refractometers are instruments that quantify and identify chemicals and materials based on their refractive index (RI). A unique property related to the speed of light as it passes through a substance, RI (Refractive Index) […]
Electronic Digital Refractometer, Rudolph Research J457 Press Release
The Rudolph Research J457 refractometer monitors sample load quality, an industry first that assists the user in properly loading samples with a resulting increase in consistency and accuracy…
Digital Refractometer, Rudolph Research J47 Press Release
Rugged Refractometer, New from Rudolph Research; The J47 is Temperature correcting, and designed for the Sugar and Food Industries. Very fast measurement. Simple to load, simple to measure, simple to clean. Result independent of operator judgment. Rugged, reliable, and perfect for high throughput applications in the sugar and food industries. Accurate, on-board temperature correction. Lower […]
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