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Refractometers are frequently used by grape growers and kiwifruit growers for Brix testing of sucrose levels in their fruit. Refractometry is also used in the gelatin industry. To convert the RI of a gelatin sol (reported in Brix) to a gelatin concentration, one need only multiply by eight-tenths (0.8). A sol with a 10.0 RI would therefore be 8 ...
Gemstone refractometers are available both as classic optical instruments and as electronic measurement devices with a digital display. [3] In marine aquarium keeping, a refractometer is used to measure the salinity and specific gravity of the water. In the automobile industry, a refractometer is used to measure the coolant concentration.
In the pulp and paper industry, inline process refractometers are used in the energy recovery from black liquor recovery boilers by accurately measuring solids in the black liquor. [4] In the food and beverage industry, inline process refractometers are used to measure dissolved solids, most often as sugar content, measured in degrees Brix.
A handheld refractometer used to measure the sugar content of fruits This type of device is commonly used in chemical laboratories for identification of substances and for quality control . Handheld variants are used in agriculture by, e.g., wine makers to determine sugar content in grape juice, and inline process refractometers are used in, e ...
Multi-wavelength Abbe refractometers can be used to easily determine a sample's Abbe number. The most advanced instruments of today use solid-state Peltier effect devices to heat and cool the instrument and the sample, eliminating the need for an external water bath. The software on most of current instruments offers features such as ...
This is commonly achieved using a measurement of refractive index (refractometer) or the angle of rotation of polarization of optically active sugars (polarimeter). Saccharimeters are used in food processing industries, brewing, and the distilled alcoholic drinks industry.
Pages in category "Refractometers" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...
Digital handheld refractometers are generally more precise than traditional handheld refractometers, but less precise than most benchtop refractometers. They also may require a slightly larger amount of sample to read from since the sample is not spread thinly against the prism.