Germs? Breaking the Chain of Contamination
Concerned about germs contamination on your benchtop or in the lab? According to a study by Dr. Charles Gerba, University of Arizona, an average desk has 20,961 germs per square inch. To break this chain…
How to Improve Lab Balance Weighing
Properly use and maintain lab balance for optimal performance. Using your lab balance with poor weighing techniques can greatly contribute to the uncertainty of measurement (combined weighing errors), causing you to inadvertently use your balance…
What is a Compound Microscope?
A compound microscope contains objective lenses. A compound microscope consists of a group of lenses (called objective) which focuses a real image of the object inside the microscope. A second group of lenses (called eyepiece)…
How to Choose a Spectrophotometer
What is a spectrophotometer? Spectrometers, or spectrophotometers, are analytical instruments used to identify or confirm the chemical species, chemical structure, or concentration of substances in a sample. Spectrophotometers will emit an energy source to pass…