Dartmouth College
Dartmouth College: Chem Lab: Scanning Spectrometer
The scanning spectrometer measures absorbance vs. wavelength for liquid samples. Directions on how to use this instrument are provided here.
Dartmouth College
Dartmouth College: Chem Lab: Volumetric Flask
What is a volumetric flask? What does it look like? How is it used? These questions are answered in this concise and informative site.
Science Struck
Science Struck: Uses of Crucible Tongs
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.
Science Struck
Science Struck: The Numerous Uses and Methods of Using a Petri Dish
Learn about the important role the petri dish plays in enabling the study of microorganisms, some of its uses, and how petri dishes are used.
Science Struck
Science Struck: What Is a Buchner Funnel? Setup, Structure, and Uses
Learn what a Buchner funnel is, how it works to filter solids from liquids, and some of its applications.
National High Magnetic Field Laboratory
Magnet Academy: Mass Spectra
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...