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The Steve Spangler Science offices will be closed Thursday, November 27th and Friday, November 28th for Thanksgiving.

No shipments will be sent or received on those days and deliveries in transit will take 1 additional day to arrive. Normal business hours will resume Monday, December 1st at 8:30 AM MST. We are sorry for any inconvenience.

*FedEx website says: "Early station, on-call pickups and drop box closings in some areas" regarding Express shipments for Friday the 28th and Saturday the 29th.

Questions? Give us a Call: 1-800-223-9080

Filter Paper

Perform an amazing experiment in color separation with this filter paper.

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$7.99

Item #: WFTR-100

Usually ships the next day.

Availability: Out of stock

Filter Paper

Product Videos

Perform an amazing experiment in color separation with a water-soluble black pen, a pipe cleaner and a round piece of filter paper. There's a rainbow of color in just one black dot! Perform an amazing experiment in color separation with a water-soluble black pen, a piece of fuzzy wire and a round piece of filter paper. An inexpensive and fun science activity to teach kids about the science of color.

What's Included?
  • 100 pieces of 11 cm (4.3 in.) diameter filter paper
How Does It Work?

Use this filter paper for great chromotography experiments, including our Is Black Really Black? experiment!

Customer Reviews

Great for chromotography Review by Tina

The filter paper worked great for our chromotography experiment with leaves. We tucked the paper in the cup with bits of shredded leaf and rubbing alcohol and the colors in the leaf moved right up the paper. It was a great way to show the 3rd graders the colors in the leaf they couldn't see. (Posted on 4/14/13)

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Do they come in other sizes? 
Nope, 11 cm is the standard size.