Gas syringe method
In a reaction that produces a gas, the volume of the gas produced can be measured using the gas syringe method.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Rory Adams (Free High School Science Texts Project), Mark Horner, and Heather Williams, Reaction Rates. October 15, 2012."
http://cnx.org/content/m35936/latest/
OpenStax CNX
CC BY 3.0.