A place for insight, inspiration, and experiments.
Vernier offers more than 1,000 experiments in biology, chemistry, engineering/robotics, and physics that can help you inspire students and integrate data-collection technology into your science courses.
All three of this month’s featured experiments involve our spectrometers. To further explore the use of spectrometers, check out our Illuminate Spectroscopy webinar.
- Determine the concentration of DNA or RNA present in a mixture.
- Gain increased understanding of factors affecting nucleic acid solution contamination.
- Determine the A260/280 ratio of a sample.
- Explore how data-collection parameters play off of each other to generate a spectrum.
- Collect fluorescence data.
- Prepare serial dilutions from a stock solution to investigate the effect of concentration on fluorescence emission.
- Learn about the properties of molecules through fluorescence spectroscopy.
In this experiment, students use the Go Direct Emissions Spectrometer and other equipment to
- Collect and analyze current vs. potential data to estimate the energy required to excite a number of LEDs.
- Determine the wavelength of the peak output of each LED.
- Determine a value for Planck’s constant from an analysis of the energy and frequency of the light emitted by a number of LEDs.
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