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Monthly Archives: August 2019

Bunsen Burner

Tips: Turn on the gas just before lighting your match; Turn off the gas to extinguish the flame; Ensure tubing is not going to catch on fire, ideally, tape it down.

Filtration

There are two types of filtration used in CHEM 103. Follow the links to learn more about filtration techniques: Gravity filtration Vacuum filtration

Spectrophotometer

Spectrophotometers contain a white light source, a diffraction grating, and a slit to select a specific wavelength. The selected wavelength of light passes through a sample, and any light that is absorbed is quantified as the absorbance. The absorbance range is 0 (no light absorbed) to 1 or more (lots of light absorbed). According to […]