Find sources: "Fizz-Keeper"– news · newspapers · books · scholar · JSTOR ( July 2021) ( Learn how and when to remove this template message) USpatent 4,723,670,Tommy R. Robinson and Michael B. Beyer,"Pump closure for carbonated beverage container",issued 1988-02-09 A Fizz-Keeper is a type of closure that is marketed as a way to keep carbonation in soft drinks. It consists of a small round hand pump that is screwed onto the top of a plastic soft drink bottle, which is then used to pump air into the bottle, preventing the drink from going flat. [1] [2] [3] [4]

Big Clive has a running series on YouTube, “ Will it Carbonate”, where he tries various beverages in a SodaStream machine: here is a playlist. Mark Talmage Graham (March 2002). "Investigating gases' masses in impecunious classes". The Physics Teacher. 40 (3): 144–147. Bibcode: 2002PhTea..40..144T. doi: 10.1119/1.1466546. Several styles of device exist, from the plain piston pump to devices incorporating a bulb and a latch and hinge device to allow liquid to be poured out of a spout without removing the Fizz-Keeper from the bottle. [2] Research [ edit ] This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.By using the Fizz-Keeper Bottle Pump (in conjunction with a water-filled soda bottle and pipet), students can make observations and/or measurements of an object's motion to provide evidence that a pattern can be used to predict future motion. a b c d Reed A. Howald (Feb 1999). "The Fizz Keeper, a Case Study in Chemical Education, Equilibrium, and Kinetics". Journal of Chemical Education. 76 (2): 208–209. Bibcode: 1999JChEd..76..208H. doi: 10.1021/ed076p208. As I noted in comment #2 above, carbon dioxide is more than ten times as soluble in water than nitrogen and four times as soluble as oxygen, so far more of it can be placed in an aqueous solution. Since much less of other gases can be dissolved, they would impart only a very weak fizz and would not add the flavour of carbonic acid. a b c Joseph A. Schwarcz (2004). "How does a Fizz Keeper keep the fizz in soft drinks?". Dr. Joe & What You Didn't Know. ECW Press. p.24. ISBN 9781550225778.

Research into the Fizz-Keeper's mechanisms and processes has shown that the Fizz-Keeper, let alone pressurizing a soda bottle, does not actually prevent loss of carbonation, with its marketed claims being dismissed as pseudoscience. [1] [2] Description [ edit ]Brian Rohrig (1999). 39 Fantastic Experiments with the Fizz-Keeper. Tallmadge, OH: Creative Chemistry Concepts. a b c d e f g John P. Williams; Sandy Van Natta; Rebecca Knipp (October 2005). "The Fizz-Keeper: A Useful Science Tool" (PDF). Journal of Chemical Education. 82 (10): 1454–1456. Bibcode: 2005JChEd..82.1454W. doi: 10.1021/ed082p1454. By changing the number of pumps on the Fizz-Keeper Bottle Pump (used in conjunction with a water-filled soda bottle and pipet), students can plan an investigation to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object. Students can plan and conduct an investigation to compare the effects of different strengths or different directions of pushes and pulls on the motion of an object by changing the number of pumps on the Fizz-Keeper Bottle Pump. By using the Fizz-Keeper Bottle Pump (in conjunction with a water-filled soda bottle and pipet), students can plan and conduct an investigation to compare the effects of different strengths or different directions of pushes and pulls on the motion of an object.

where S_{\rm gas} is the concentration of gas in the liquid, K is the Henry’s law constant for the solubility of that specific gas and liquid pair, and P_{\rm gas} is the partial pressure of the gas above the liquid. Hence, it doesn’t matter what the pressure of the nitrogen and oxygen pumped into the bottle may be, the carbon dioxide dissolved in the pop will continue to come out of solution until the partial pressure of CO₂ in the gas rises to the equilibrium point with that dissolved in the liquid. a b c d Brian Rohrig (February 2002). "The Fizz-Keeper: Does It Really Keep the Fizz?" (PDF). ChemMatters: 11–13. Archived from the original (PDF) on 2012-03-06 . Retrieved 2009-05-16. This product will support your students' understanding of the Next Generation Science Standards (NGSS)*, as shown in the table below.So then, if the air is pumped into a separated area inside the bottle, preventing the diffusion between CO2 into N2+O2, such modified Fizz-Keeper would work, correct? The Fizz-Keeper Bottle Pump using in conjunction with a water-filled soda bottle and pipet, allows students to pump pressure into the bottle to observe and understand the effects of balanced and unbalanced forces on the motion of the pipet. By using the Fizz-Keeper Bottle Pump (in conjunction with a water-filled soda bottle and pipet), students can plan an investigation to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object. The solubility K of different gases in water (which I’ll assume is the same as the liquid in the bottle) varies widely, so the behaviour of the gases involved is very different. Here is the solubility of the three main gases we’re dealing with here, all for 5° C, the temperature of a typical refrigerator, and all in units of grams of gas per kilogram of water. USpatent 4,524,877,Willard A. Saxby and Robert D. Pikula,"Pressurizing and closure apparatus for carbonated beverage containers",issued 1985-06-25