Spectra of the Month Experiments
Posted on: March 28th, 2023
Background/Applications: Colorimetry is a measurement method used to quantify the color of a substance or object by the intensity and wavelength of light absorbed, transmitted, or reflected by the sample.…
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Posted on: February 27th, 2023
Background/Applications: Valentine’s Day is one of the most popular holidays both nationally and globally. The holiday of romance as we know it began around the 14th century as a celebration…
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Posted on: January 29th, 2023
Background/Applications: Each year, many people make New Year’s resolutions which are personal goals or commitments that a person makes for the New Year, often related to self-improvement. One of the…
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Posted on: December 18th, 2022
Background/Applications: Chlorophyll is the essential pigment that allows plants to absorb energy from light. It absorbs light most strongly in the blue and red portions of the visible spectrum and…
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Posted on: November 21st, 2022
Background/Applications: Fluorescence spectroscopy can be used in a wide range of applications from medical, to fraud detection, and food safety. For example, in medical applications, fluorescence is being used to…
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Posted on: November 3rd, 2022
Roundup Experiment In this experiment, we tested low concentrations of glyphosate with a special variable path length dip probe with a narrow tip to measure the chemical’s absorbance. We tested…
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Posted on: September 13th, 2022
Background/Applications: Anthocyanins are water-soluble pigments that are responsible for the red, purple, and blue coloring in fruits and vegetables. The colored anthocyanins are used as natural food colorants, and as…
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Posted on: August 25th, 2022
Background/Applications: Human skin measurements apply to many industries and field studies with differing analyses in absorbance, transmission, and or reflectance. In this experiment, we tested the absorbance and reflectance of…
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Posted on: July 28th, 2022
Conducted by: David Ademe, Avantes Inc. Theme: Solar Simulator/Irradiance Background/Applications: Spectral irradiance is the irradiance of a surface per unit frequency or wavelength, depending on whether the spectrum is taken…
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Posted on: June 28th, 2022
Conducted by: David Ademe (Applications Engineer), and Sara Beard (Chemistry Intern), Avantes Inc. Background/Applications: Indocyanine Green (ICG) is a powdered dye that is used for fluorescence imaging in a variety…
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