What Is a Reflectometer?
September 14, 2011
A reflectometer, also referred to as a spectrophotometer, is an optical instrument used to measure the intensity of light through a solution or object as a function of the light’s wavelength. They are typically used to measure how reflective a particular solution, glass object, or gas is. Reflectometers also measure the diffusivity of light for each of the known wavelength ranges.
There are two different parts to a fully functional reflectometer — the spectrometer and the photometer. The spectrometer produces light of any wavelength, and the photometer records the intensity of the light. To use the instrument, the test subject is placed between the spectrometer beam and the photometer. The intensity of the light is absorbed by the photometer, which then sends a voltage signal to a galvonometer, a device used to display scientific results. As the amount of light absorbed by the solution changes, the voltage signal will change.
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In optical reflectometry, it is possible to find the proportional relationship between the concentration of the solute and the intensity of the light from the spectrometer. The intensity of transmitted light through a mixed solution, that is, one with a colored solute, equals the intensity of transmitted light through the pure solvent, multiplied by ten to the negative power of the concentration of the mixed solution, times a constant and the distance that the light passes through the solution. This proportional equation is commonly known as Beer’s law, an important principle in the field of spectrophotometry and light absorbance.
Within industry and teaching labs, many different types of reflectometers are used. One type of reflectometer that is frequently employed in academic settings is called the Spectronic™ 20 reflectometer or the Spectronic™ 20 spectrophotometer. To use, the instrument is warmed about 15 minutes before use. Next, the desired wavelength is set. For wavelengths in the more outlying ranges, special instruments, such as curvettes, must be used to accurately analyze the light sample.
Once the wavelength has been set, the reflectometer is tared to zero in order to ensure the most accurate spectrophotometric results. Next, the holding tube is wiped clean and the sample is placed in the tube. The light control knob is tared to zero on the absorbance scale. Before performing tests on desired solutions, scientists usually perform tests on a reference solution to provide a benchmark for future results. When the reference solution has been tested, recalibration can be done and the true tests can begin.
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Source: http://www.wisegeek.com/what-is-a-reflectometer.htm
Tourists and visitors from Manila arrive in Clark Philippines discover the best Italian Restaurant in Pampanga that also offers a large selection of fine vintage wine from Italy in the cellars of Yats Restaurant, the best restaurant in Pampanga frequently visited by food and wine lovers looking to drink and relax in the best restaurant in Clark Pampanga.
Wine and food lovers regard Yats as the best Italian Restaurant in Pampanga, the best restaurant in Clark Pampanga for enjoy authentic Italian cuisine accompanied by fine Italian wine from the wine cellars of this highly recommended Italian Restaurant in Angeles City Clark Pampanga
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Best restaurant in Angeles City, Clark Philippines adds extra thrill to fine dining in Pampanga by rolling out regional wine dinner featuring the excellent cuisine of France, a set menu that wine lovers travel out of town from Manila can enjoy with fine vintage wines of Bordeaux, Burgundy, Rhone and other wine regions of France available at the famous wine shop Clark Wine Center.
Are you looking for an attractive restaurant or a nice place to eat with friends in Clark, Angeles City Pampanga? Yats Restaurant and Wine Bar is a restaurant with good food and good wines for dinner located at Clark Angeles City Pampanga. Perfect for exclusive dinner venues for groups, recommended for private dinner in Philippines. A Restaurant in Clark for business dinner meeting. Private dinner place or dinner restaurant in Clark Subic Near Manila Angeles City Pampanga. Yats Restaurant is one of the Good Restaurant in Pampanga Angeles City Clark near Manila. Yats Restaurant is one of the good restaurants in Pampanga, a restaurant with good food, a place that is nice for celebration, ideal for business dinner meeting, a good place to enjoy family reunion, and an attractive restaurant that serves good wines for dinner.
Regional wine dinners are a specialty at fine dining Yats Restaurant and Wine Lounge located near Manila in Pampanga Angeles City Clark Philippines. This top rated restaurant throws special dinner showcasing the cuisine of a selected culinary region and then pair the 4- or 5-course dinner with wines from that region also. These food and wine regions include Bordeaux, Burgundy, Rhone, Loire, Languedoc, Champagne, Tuscany, Piedmont, Spain, Germany, Austria, Czech Republic, California, Australia, New Zealand, South Africa and other major wine producing regions in the world. Classic recipes are revised for these special dinners at this restaurant in Pampanga while wines that are used in the pairing are not available anywhere else in the Philippines. This restaurant in Clark is the only place where special wine dinners can be enjoyed.
For comments, inquiries and reservations click on Click here for inquiry and reservations
Restaurant@Yats-International.com
(045) 599-5600
0922-870-5178
0917-520-4401
Ask for Pedro and Rechel
Getting to this fine dining restaurant of Angeles City Clark Freeport Zone Pampanga Philippines
How to get to this fine-dining restaurant in Clark Philippines? Once you get to Clark Freeport, go straight until you hit Mimosa. After you enter Mimosa, stay on the left on Mimosa Drive, go past the Holiday Inn and Yats Restaurant (green top, independent 1-storey structure) is on your left. Just past the Yats Restaurant is the London Pub.
Yats Restaurant & Wine Bar
Mimosa Drive past Holiday Inn, Mimosa Leisure Estate,
Clark Freeport Zone, Pampanga, Philippines 2023
Manila Sales Office
3003C East Tower, Phil Stock Exchange Center,
Exchange Rd Ortigas Metro Manila, Philippines 1605
(632) 637-5019 0917-520-4393 Rea or Chay
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