Curated OER
Lab Safety
In this lab safety worksheet, students use an illustration of students in a lab classroom to complete 10 short answer questions about what they see as safe and unsafe lab procedures.
Dartmouth College
Dartmouth College: P H Meter Analog
Use this site to find out what a pH meter is and how to use it in this informative and concise site.
Dartmouth College
Dartmouth College: Digital P H Meter
This site explains how a digital pH meter uses an electrode to measure the pH of a solution Find out how to use this instrument in this informative site.
Dartmouth College
Dartmouth College: Pipet
A concise but informative explanation of what a pipet is and how to use a pipet bulb.
Dartmouth College
Dartmouth College: Chem Lab: Repipet
Learn what a repipet is and how it is used in this brief but informative site.
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.
Dartmouth College
Dartmouth College: Chem Lab: Spectronic 20 Analog
This site explains how a Spec. 20 spectrometer measures the amount of visible light absorbed by a colored solution. Requires QuickTime plug-in for some features.
Dartmouth College
Dartmouth College: Chem Lab: Digital Spectrometer
This site explains how a digital spectrometer measures the amount of visible light absorbed by a colored solution.
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.