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Unveiling the Elemental Composition of Coal with LIBS
During the holiday season, the tradition of giving gifts often takes center stage, but for this study, we turn our attention to the notorious “lump of coal.” While typically symbolic,…
Read MoreSpectra of the Month Experiments
Flour Variety Analysis with NIR Absorbance Spectroscopy
Flour is a primary component in many food dishes and cuisines around the world. While flour is primarily associated with being derived from wheat, plenty of alternative products exist, such…
Read MoreEvaluating Solar Simulator Accuracy Using the AvaSpec-Solar-Mini+
A crucial component of solar technology is the photovoltaic cells within solar panels, which must be tested for energy conversion efficiency. This is typically achieved using a device known as…
Read MoreShining a Light: Spectroscopy Reveals Insects’ UV and Visible Reflectance
This experiment aims to measure the reflectance of various insect samples in both the UV and visible spectral ranges. We measured multiple insect samples to demonstrate the range of color…
Read MoreDetecting Amino Acid Dilution with Flow Cell Absorbance Spectroscopy
This experiment aims to track how the light absorption peaks of amino acids L-tyrosine and L-tryptophan change as their solutions are gradually diluted in deionized water. These amino acids, chosen…
Read MoreExploring Flower Reflections Across Visible, UV, and NIR Spectrums
May, known for its blooming flora and greenery, is captured in the saying “April showers bring May flowers.” As spring transitions to summer, May Day, celebrated on May 1st, marks…
Read MoreMeasuring Organic Matter in Soil With NIR Absorbance Spectroscopy
This month, our experiment aimed to honor Earth Day, a global event celebrated annually on April 22nd to promote environmental protection. In tribute to this day of environmental awareness, we…
Read MoreRegular vs. Decaf: Using UV Absorbance Spectroscopy to Measure Caffeine Presence
Every spring, many countries observe Daylight Savings Time by setting their clocks ahead one hour to extend daylight during waking hours. This tradition, rooted in increased evening productivity and energy…
Read MoreExploring Snow Albedo Through Spectroscopic Analysis
Introduction/Application During the summer months, we are often cautioned to prevent the harmful effects of overexposure to UV rays by wearing sunscreen to protect our skin, hats to protect our…
Read MoreComparing UV Transmittance: UV-Protective Athletic vs. Regular Clothing
Introduction/Application The start of a new year often comes with New Years Resolutions, many of which pertain to fitness. Advances in health and exercise sciences have only increased our access…
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