A refractometer is a laboratory or field device for the measurement of an index of refraction (refractometry). The index of refraction is calculated from...

An Abbe refractometer is a bench-top device for the high-precision measurement of an index of refraction. Ernst Abbe (1840–1905), working for Carl Zeiss...

A differential refractometer (DRI), or refractive index detector (RI or RID) is a detector that measures the refractive index of an analyte relative to...

A traditional handheld refractometer is an analog instrument for measuring a liquid's refractive index. It works on the critical angle principle by which...

A digital handheld refractometer is an instrument for measuring the refractive index of materials. Most operate on the same general critical angle principle...

characteristics and properties. These include: Corrected 10× loupe Microscope Refractometer Polarising filter Magnifying eyepiece Contact liquid for RI (refractive...

using a refractometer. A few grapes are crushed between the fingers and the must is dripped onto the glass of the refractometer. The refractometer will be...

Inline process refractometers are a type of refractometer designed for the continuous measurement of a fluid flowing through a pipe or inside a tank. First...

various refractometers, such as Abbe refractometer. Measurement accuracy of such typical commercial devices is in the order of 0.0002. Refractometers usually...

calibrate a refractometer so that it reads directly in °Bx. Calibration is usually based on the ICUMSA tables, but the user of an electronic refractometer should...

condenser, used for microscope illumination. In 1871, he designed the first refractometer, which he described in a booklet published in 1874. He developed the...

Ḥasan Ibn al-Haytham (Latinized as Alhazen; /ælˈhæzən/; full name Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham أبو علي، الحسن بن الحسن بن الهيثم; c. 965 –...

their composition or purity. A refractometer is the instrument used to measure refractive index ("RI"). Although refractometers are best known for measuring...

by using a refractometer by crushing a few grapes between the fingers and letting the must drip onto the glass prism of the refractometer. In countries...

distinguished from tanzanite in three ways. The first is by using a refractometer: forsterite will show a refractive index of between 1.63 and 1.67, while...

gravity—(using a hydrometer test strip or some sort of floating indicator), Refractometer—which measures the refractive index of the antifreeze solution, and...

Pellin–Broca prism Abbe refractometer, a bench-top refractometer that offers the highest precision of the different types of refractometers Abbe sine condition...

an enzymatic process that converts it to sugars. A must weight-type refractometer is used to determine the sugar content in the solution. Food portal...

a balloon hydrometer, a nerve gas detector, a lab refractometer and process control refractometers. While from its start the company had been self-financed...

alter its refractive index. Water content can easily be measured with a refractometer. Typically, the refractive index for honey ranges from 1.504 at 13%...

direct-reading refractometer for liquids, which is said to have found many practical applications. He designed the "UMIST Refractometer" subsystem for...

Centennial Story of Success Carl Pulfrich Award "Pulfrich refractometer". www.refractometer.pl. Retrieved 2015-10-11. Works by or about Carl Pulfrich...

polarimeter. For sugar mixtures, the concentration can be determined with a refractometer, for example in the Oechsle determination in the course of the production...

before and throughout the fermentation process using a hydrometer or refractometer, mead makers can determine the proportion of alcohol by volume in the...

gravity Reading of a urine specific gravity of ~1.024 via a handheld refractometer. SG measurement is taken by reading the boundary between the dark and...

helium as a standard of refractive index: correcting errors in a gas refractometer". Metrologia. 41 (3): 189–197. Bibcode:2004Metro..41..189S. doi:10...

bubble per minute. Then the sugar reserve is measured with a must weight refractometer/hygrometer. If there's sugar left, then more yeast should be added to...

Reflectometer for measuring the reflectivity of a surface or object Refractometer for measuring refractive index of various materials Spectrometer or...

transmitters. Another use around 1900 was as the light source in Pulfrich refractometers. Geissler tubes are sometimes still used in physics education to demonstrate...

used in conjunction with light scattering detectors, viscometers, and refractometers. The two main types of HDC are open tube and packed column. Open tube...