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Measurement tool
A refractometer is a laboratory or field device for the measurement of an index of refraction (refractometry). The index of refraction is calculated from
Refractometer
Property in optics
various refractometers, such as Abbe refractometer. Measurement accuracy of such typical commercial devices is in the order of 0.0002. Refractometers usually
Refractive_index
Bench-top refractometer
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
Abbe_refractometer
Sugar content of an aqueous solution
Concentration of dissolved solids can also be measured by using a refractometer, but different solutes affect refractivity differently, and the refractivity
Brix
Analog instrument for measuring a liquid's refractive index
A traditional handheld refractometer is a type of refractometer, an analog instrument for measuring a liquid's refractive index. It works on the critical
Traditional handheld refractometer
Traditional_handheld_refractometer
Science dealing with natural and artificial gemstone materials
characteristics and properties. These include: Corrected 10× loupe Microscope Refractometer Polarising filter Magnifying eyepiece Contact liquid for RI (refractive
Gemology
A digital handheld refractometer is an instrument for measuring the refractive index of materials. They are commonly used within food and liquid analysis
Digital handheld refractometer
Digital_handheld_refractometer
A differential refractometer (DRI), or refractive index detector (RI or RID) is a detector that measures the refractive index of an analyte relative to
Differential_refractometer
Measure of sugar in grape juice
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
Must_weight
Arab physicist, mathematician and astronomer (c. 965 – c. 1040)
Ibn al-Haytham, Latinized as Alhazen (c. 965 – c. 1040), was a mathematician, astronomer, and physicist of the Islamic Golden Age from present-day Iraq
Ibn_al-Haytham
Continuous fluid measurement device
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
Inline_process_refractometer
American instrument company
nerve gas detector, a lab refractometer and process control refractometers. Having asked Waters to design a refractometer in 1961, Dow Chemical had designed
Waters_Corporation
German physicist, entrepreneur, and social reformer (1840–1905)
condenser, used for microscope illumination. In 1871, he designed the first refractometer, which he described in a booklet published in 1874. He developed the
Ernst_Abbe
Hydrometer scale measuring the density of grape must
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
Oechsle_scale
built into the firmware of modern refractometers and is the basis for calibration of purely optical refractometers which read in Brix. Temperature correction
International Commission for Uniform Methods of Sugar Analysis
International_Commission_for_Uniform_Methods_of_Sugar_Analysis
their composition or purity. A refractometer is the instrument used to measure refractive index ("RI"). Although refractometers are best known for measuring
Refractometry
Blue to purple variety of the mineral zoisite
distinguished from tanzanite in three ways: The first is by using a refractometer: Forsterite will show a refractive index of between 1.63–1.67, while
Tanzanite
Finnish home made alcoholic beverage
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
Kilju
British mineralogist (1872–1953)
discovered the mineral paratacamite in 1906, and developed a jeweller's refractometer for the rapid identification of gems. The minerals smithite and herbertsmithite
Herbert_Smith_(mineralogist)
British astronomer
direct-reading refractometer for liquids, which has since been used in many practical applications. He designed the "UMIST Refractometer" subsystem for
John_E._Geake
Liquid additive
gravity—(using a hydrometer test strip or some sort of floating indicator), Refractometer—which measures the refractive index of the antifreeze solution, and
Antifreeze
Thick, viscous solution of sugar in water
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
Syrup
Naturally produced monosaccharide
polarimeter. For sugar mixtures, the concentration can be determined with a refractometer, for example in the Oechsle determination in the course of the production
Glucose
This is commonly achieved using a measurement of refractive index (refractometer) or the angle of rotation of polarization of optically active sugars
Saccharimeter
German physicist
Centennial Story of Success Carl Pulfrich Award "Pulfrich refractometer". www.refractometer.pl. Retrieved 2015-10-11. Works by or about Carl Pulfrich
Carl_Pulfrich
Sweet and viscous substance made by bees
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%
Honey
Chemical element with atomic number 2 (He)
helium as a standard of refractive index: correcting errors in a gas refractometer". Metrologia. 41 (3): 189–197. Bibcode:2004Metro..41..189S. doi:10
Helium
Topic related to human medicine
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
Urine_specific_gravity
Airborne Meteorological Recorder Systems Designation Purpose/Description Location/Used By Manufacturer AN/AMH-3 Microwave refractometer E-2C Hawkeye
List of military electronics of the United States: A–G
List_of_military_electronics_of_the_United_States:_A–G
Density of a brew
wine-making industries. Specific gravity is measured by a hydrometer, refractometer, pycnometer or oscillating U-tube electronic meter. The density of a
Gravity_(alcoholic_beverage)
Alcoholic beverage made from honey
before and throughout the fermentation process using a hydrometer or refractometer, mead makers can determine the proportion of alcohol by volume in the
Mead
Type of size-exclusion chromatography
sensitive detectors which includes UV-VIS absorption, differential refractometer (DRI) or refractive index (RI) detectors, infrared (IR) absorption and
Gel_permeation_chromatography
Material dispersion property
{\Delta P_{0}}{P_{\text{c}}}}={\frac {1}{V_{\text{c}}}}.} Abbe prism Abbe refractometer Calculation of glass properties, including Abbe number Glass code Sellmeier
Abbe_number
Refractometers are provided for measurement of the refraction index of liquids as well as polymers. Desk-Top and electronic portable refractometers can
Krüss_Optronic
Topics referred to by the same term
Pellin–Broca prism Abbe refractometer, a bench-top refractometer that offers the highest precision of the different types of refractometers Abbe sine condition
Abbe
A prism spectrometer is an optical spectrometer which uses a dispersive prism as its dispersive element. The prism refracts light into its different colors
Prism_spectrometer
Coolants and lubricants used in metalworking
performed by trained personnel in a laboratory environment. A hand-held refractometer is the industrial standard used to determine the mix ratio of water-soluble
Cutting_fluid
First spacecraft to land on Titan
(permittivity and conductivity) and refractive index (using a critical angle refractometer). A penetrometer instrument, that protruded 55 mm (2.2 in) past the
Huygens_(spacecraft)
Scientific instrument using light waves for image viewing
Reflectometer for measuring the reflectivity of a surface or object Refractometer for measuring refractive index of various materials Spectrometer or
Optical_instrument
Early gas-discharge lamp
transmitters. Another use around 1900 was as the light source in Pulfrich refractometers. Geissler tubes are sometimes still used in physics education to demonstrate
Geissler_tube
Set of laboratory techniques for separation of mixtures
used in conjunction with light scattering detectors, viscometers, and refractometers. The two main types of HDC are open tube and packed column. Open tube
Chromatography
Device used to measure density of liquids
(beer) Hydrostatic bubbles Hygrometer Oscillating U-tube Pyknometer Refractometer Hornsey, Ian S. (2003). A history of beer and brewing. Cambridge: Royal
Hydrometer
Abbe (1840–1905), Germany – Condenser (microscope), apochromatic lens, refractometer Hovannes Adamian (1879–1932), USSR/Russia/Armenia – tricolor principle
List_of_inventors
Overview of Germany's handling with science and technology
Abbe refractometer 1897
Science and technology in Germany
Science_and_technology_in_Germany
How the term "ripe" is used in viticulture and winemaking
gravity of distilled water. Viticulturists and winemakers can use a refractometer which uses a refractive index to indirectly measure the must weight
Ripeness_in_viticulture
Chemical to deice aircraft
point) can be easily confirmed by measuring its refractive index with a refractometer, and looking up the result in the de-icing fluid manufacturer's tables
Aircraft_deicing_fluid
Ophthalmic instrument mainly used by optometrists and opticians
power Diopter Focometer Prism dioptre Corrective lens components Abbe refractometer "Vertometer. (n.d.)". Millodot: Dictionary of Optometry & Visual Science
Lensmeter
Production of wine
Oechsle (Germany) and Baumé (France). °Bx is usually measured with a refractometer while the other methods use a hydrometer which measures specific gravity
Winemaking
Japanese manufacturer of optical equipment
meter DM-C1 adopting a near-infrared. October 1978—Started selling a refractometer RM-100 incorporating near-infrared beam and a television system. March
Topcon
Coding of traded products by the World Customs Organization
apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus
Harmonized_System
Complete reflection of a wave
Glan–Foucault prism (or "Foucault prism"), and Glan–Taylor prism. Refractometers, which measure refractive indices, often use the critical angle. Rain
Total_internal_reflection
American electrical engineer, inventor, and entrepreneur (1918–2008)
Corporation, the company responsible for the introduction of inline process refractometers as a measuring system for the pulp & paper, food, and chemical processing
Carl_A._Vossberg_Jr.
Device for measuring a physical quantity
particles. Nephelometer or turbidimeter Oxygen sensor (= lambda sond) Refractometer, indirectly by determining the refractive index of a substance. Smoke
List_of_measuring_instruments
Chemical compound
as an optical contact liquid, in conjunction with the gemmological refractometer, for determining the refractive index of certain gemstones. Diiodomethane
Diiodomethane
Research center in Lucknow, Uttar Pradesh, India
flushing Jaggery drying-cum-storage warehouse Hot air oven Digital refractometer Laboratory crushers Bomb calorimeter Dehumidifier Environment control
Indian Institute of Sugarcane Research
Indian_Institute_of_Sugarcane_Research
Medical and environmental products company
Electroporation products Flame photometers Freeze dryers Histology products Refractometers Thermal cyclers Titrators Ultrasonic cleaners Water purification products
Cole-Parmer
Instrument for measuring optical rotation
modified polarimeter with a flow cell (and used in conjunction with a refractometer) called a saccharimeter. These instruments use the International Sugar
Polarimeter
where Professor Milton reveals the Krupnick Coil, a super powerful refractometer that emits a light so intense that it pierces the zompires' inner darkness
List_of_Kickin'_It_episodes
German physicist
the devices he invented are the electrometer quadrant and a double refractometer of great precision. Hallwachs was an assistant of Heinrich Hertz, in
Wilhelm_Hallwachs
and asteroidal surfaces. He invented the first direct-reading linear refractometer, one of which he designed for the Cassini-Huygens Titan probe. JPL ·
Meanings of minor-planet names: 9001–10000
Meanings_of_minor-planet_names:_9001–10000
Equation in optical analysis of liquids
content is determined by measuring density or index of refraction (Brix refractometer). Mass (m) per unit volume (V) is the density m/V. Mass is conserved
Gladstone–Dale_relation
Mineralogist (1844–1909)
de son développement" (1904); and is credited with the design of a refractometer. Wilson, Wendell E. "Émile Bertrand". Mineralogical Record Biographical
Émile_Bertrand
Device designed to measure the salinity of a solution
salts. This is why ocean water is not suitable for drinking) Saline refractometer Naval Marine Engineering Practice. later replacement for the Stokers
Salinometer
American technology company
the late 1980s Wyatt purchased the Optilab line of interferometric refractometers from the Swedish company Tekator. In the mid 1990s the burgeoning pharmaceutical
Wyatt_Technology_Corporation
Measure of urine concentration
of water while specific gravity is measured by colorimetric strips, refractometer, hydrometer and pyknometer. In healthy humans with restricted fluid
Urine_osmolality
Process of harvesting honey from honeycomb
and dehumidify frames in honey house for 1–2 days Do nothing 7 Use refractometer to check that moisture content is below 18.5% Do nothing 8 Remove the
Honey_extraction
Harvest of grapes in order to produce wine
winemakers tasted the grapes to gauge ripeness. Modern winemakers use a refractometer to measure high sugar levels and °Brix or titration tests (using an
Harvest_(wine)
A handheld refractometer. A drop of the sample is placed on the sample screen and is distributed by the plastic cover.
Technology in veterinary medicine
Technology_in_veterinary_medicine
Hittorf and Julius Plücker 1870: Virial theorem by Rudolf Clausius 1874: Refractometer by Ernst Abbe 1883: First accurate electricity meter (Pendelzähler)
List of German inventions and discoveries
List_of_German_inventions_and_discoveries
vigorous leaf canopy that impeded the ripening process of the grapes. Refractometer A device used to measure the sugar content of grapes. Ripeness The point
Glossary_of_viticulture_terms
Diamond-like object which is not a diamond
measurements of RI and dispersion are impractical (a standard gemological refractometer has an upper limit of about RI 1.81),[why?] but several companies have
Diamond_simulant
American inventor of Super Glue
group informed Coover that he had permanently damaged an expensive refractometer by gluing it together, Coover recognized that he had discovered a unique
Harry_Coover
English chemist
microscope (the gasses providing a bright light-source), a baroscope, a refractometer; improvements in electroplating, electric cell design, and microscope
John_Thomas_Cooper
Croatian-Swiss chemist (1906–1998)
This wealth in platinum (a 300 g water beaker), optical instruments refractometers, spectroscopes, microscopes, etc., etc.) and all the analytical devices
Vladimir_Prelog
Array of tests performed on urine
strips, but refractometers may also be used. Reagent strip readings are based on the concentration of ions in the sample, while refractometer readings are
Urinalysis
Polymer with refractive index > 1.50
can be achieved by using an HRIP as the encapsulant. Refractive index Refractometer Abbe number Optoelectronics Polarizability Birefringence Lorentz-Lorenz
High-refractive-index_polymer
Chemical-analysis technique
typically includes the light scattering detector and either a differential refractometer or UV/Vis absorbance detector. In addition, MALS determines the rms
Size-exclusion_chromatography
Technique in physical chemistry
n with the concentration c and can be measured with a differential refractometer. A Zimm plot is built from a double extrapolation to zero angle and
Static_light_scattering
Diffraction grating Diffraction spike Diffractive optics Digital handheld refractometer Dispersion (optics) Double-Gauss lens Double refraction Double-slit
Index_of_optics_articles
Polymer derived from more than one species of monomer
collected material is commonly detected by light scattering methods, a refractometer, or a viscometer to determine the concentration of the eluted copolymer
Copolymer
Tests for authentication of psychoactive drugs, and detection of adulterants
Common cutting agents: Sugar: Brix refractometers are used to determine sugar content. Traditional handheld refractometers are cheap and can be used to measure
Reagent_testing
Technique for determining size distribution of particles
scattering medium should be evaluated with dedicated instruments, known as refractometers. Alternatively, DLS instruments containing a refractive index measurement
Dynamic_light_scattering
of German inventions and discoveries. Ernst Abbe: Invented the first refractometer, and many other devices. Donated his shares in the company Carl Zeiss
List of German inventors and discoverers
List_of_German_inventors_and_discoverers
Salt water aquarium
specific gravity, both can be tested with an inexpensive hydrometer or refractometer. pH should be maintained between 8.1 and 8.3. Ammonia should be near
Marine_aquarium
Serbian chemist (1860–1928)
acid. In this way, he gave a micro method that avoids the use of a refractometer. During the Austrian occupation of his county, in an improvised laboratory
Aleksandar_Zega
Company in 1972.[citation needed] He invented the Jemeter, an electronic refractometer, utilized to distinguish gemstones.[citation needed] Another of his
Wallace_L._Minto
Manufacturer of precision scales
meters, sound level meters and optical instruments such as microscopes, refractometers and polarimeters. In addition, the company develops software solutions
Kern_&_Sohn
seven newly procured Digital Hand-Held Urine Specific Gravity "Pen" Refractometers". Games and Amusements Board. March 4, 2024. "EAFMMAO heads on PNA website"
Elite Association of Filipino Mixed Martial Arts Officials
Elite_Association_of_Filipino_Mixed_Martial_Arts_Officials
Agricultural research organisation
and biochemical studies equipped with HPLC, gas chromatograph, HPTLC, refractometer, moisture analyzer, Cylotec sample mill, freeze drier, vacuum concentrator
Indian Institute of Spices Research
Indian_Institute_of_Spices_Research
American non-profit organization
examination. A water sample is also taken back to test its salinity using a refractometer. When the students return to the lab, the samples from the plankton
O'Neill_Sea_Odyssey
College in West Bengal
Colorimeter, Micro-Centrifuge, Nephelometer - Turbidimeter, Flame-Photometer, Refractometer, Polarimeter, Conductivity meter, D.M. Plant, Double Cone Blender, Melting
Eminent College of Pharmaceutical Technology
Eminent_College_of_Pharmaceutical_Technology
Asteroid
astronomer John E. Geake (1925–1998), who invented the direct-reading linear refractometer, which was used by the Cassini–Huygens space probe. The official naming
9298_Geake
Rapid estimation of chromium in chrome liquor by use of the immersion refractometer. Journal of the American Leather Chemists Association, 15, 665–8. Thomas
Arthur_W._Thomas
Month of 1905
Abbe, 64, German optical instruments developer who created the Abbe refractometer and the "Abbe number measure of wave dispersion A series of three 133
January_1905
instruments – Refractor heads ISO 10342:2010 Ophthalmic instruments – Eye refractometers ISO 10343:2014 Ophthalmic instruments – Ophthalmometers ISO 10360 Geometrical
List of ISO standards 10000–11999
List_of_ISO_standards_10000–11999
Microtechnology
chemiluminescence. Surface plasmon resonance sensors can be thin-film refractometers or gratings that measure the resonance behaviour of surface plasmon
Bio-MEMS
Science Museum in Leiden, Netherlands
apparatus for electrolysis, an analytical balance, cork presses, a refractometer (1910), a flash point apparatus for petroleum, a circular slide rule
Museum_Boerhaave
Israeli physicist and inventor
1956. US. US000002768553A. Refractometers. Goldberg, Emanuel/Goldberg, Herbert: 1961. US. US000002972926A. Refractometers. International Patents: Deutsches
Emanuel_Goldberg
Spitzberg LA, Nnadozie J (April 1993). "Testing the Focometer—A new refractometer". Optom Vis Sci. 70 (4): 332–8. doi:10.1097/00006324-199304000-00013
Focometer
anti-fouling surface. Surface plasmon resonance (SPR) sensors are thin film-refractometers that measure changes in refractive index occurring in the field of an
Ultra-low_fouling
REFRACTOMETER
REFRACTOMETER
REFRACTOMETER
REFRACTOMETER
Boy/Male
Tamil
Righteous
Female
English
Short form of longer Latin names that end with the diminutive suffix -etta, ETTA means "little."Â
Girl/Female
Hindu
Goddess Lakshmi
Girl/Female
Hindu
Gentle
Girl/Female
Hindu, Indian, Telugu
Good; Moon
Boy/Male
Hindu, Indian
Best of Human
Boy/Male
Arabic
Lord; Power; Best
Boy/Male
Hindu
Lord Ayyappan, Youthful
Boy/Male
Arabic, Muslim
Eye
Boy/Male
German American Norse English
Hard ruler.
REFRACTOMETER
REFRACTOMETER
REFRACTOMETER
REFRACTOMETER
REFRACTOMETER
n.
A contrivance for exhibiting and measuring the refraction of light.