The centrifuge.

One of the most common pieces of laboratory equipment, it can be found in just about every setting, from academic to biotech, big pharma and beyond.

(Click here or on the image below to watch the video)

Centrifuges At BioSurplus Video


A centrifuge is used to separate particles from liquids.  As a centrifuge’s rotor spins at high speed, centrifugal force pushes heavier particles to the sides, and, in the case of swinging-bucket rotors, to the bottom of the vessel.  Centrifugation is used in biochemistry, molecular biology, cell biology as well as clinical settings.

In order to make your equipment buying decisions easier, we’ve produced a series of informational videos and accompanying articles on our most popular lab equipment categories.  If you’re currently in the market for a used centrifuge, we encourage you to watch our new video on centrifuge basics and read the in-depth article on the BioSurplus website.

In the video, BioSurplus team member Antonio Johnson reviews the different types of centrifuges that we carry, including:

To read about how industrial centrifuges are used in the commercial beer brewing process, read our previous post on Ballast Point Brewing And Spirits here.

Antonio also covers basic safety measures to follow when using a centrifuge.

For more in-depth information including equipment specifications, as well as a list of guidelines for centrifuge operation, please read the article on our website here.


See below for a transcript of the video:

“Centrifugation, it’s a pretty standard process. It’s a research technique that’s utilized to separate different densities and materials. 

A centrifuge is actually an instrument found in most labs – you can find it at any lab in high school, college and beyond.  BioSurplus carries a range of centrifuges starting with mini centrifuges, micro centrifuges, moving on to small bench-top centrifuges like you typically see in an academic lab.  We have high-speed centrifuges, ultra centrifuges, as well as industrial-size centrifuges. 

Safety is the biggest key when using centrifuges, especially with the ultras – they run at such high speeds.  I’ve heard stories of samples going through multiple walls before coming to a stop, so you want to always make sure you don’t open the top of it when it’s spinning. 

Always make sure your centrifuge is balanced when you enter your samples, it’s sitting on a level plane, your centrifuge isn’t shaking when it’s on, and please be sure to keep it clean and free of any debris around it.”