The scanning spectrometer measures absorbance vs. wavelength for liquid samples. Directions on how to use this instrument are provided here.

What is a volumetric flask? What does it look like? How is it used? These questions are answered in this concise and informative site.

Discusses what tongs are used for and why crucible tongs are a very important tool in a laboratory and other settings. Describes the different types of crucible tongs, their uses, and some safety tips.

Learn what a Buchner funnel is, how it works to filter solids from liquids, and some of its applications.

The mass spectrum of a material, deduced using a machine called a mass spectrometer, reveals how many isotopes of a given element are to be found in the material. See here what these spectra look like and how they are useful. (Java...