pH and Buffers
pH and Buffers
069 - pH and BuffersIn this video Paul Andersen explains how buffer solutions maintain pH in a solution. A buffer solution is made up of a weak acid and its conjugate base. As strong acids or bases are added the pH remains stable. A good buffer solution has a pKa value equivalent to the pH and equal amounts of the weak acid and the conjugate base.
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Music Attribution
Title: String Theory
Artist: Herman Jolly
http://sunsetvalley.bandcamp.com/track/string-theory
All of the images are licensed under creative commons and public domain licensing:
→AzaToth. Myoglobin 3D Structure, February 5, 2008. self made based on PDB entry. http://commons.wikimedia.org/wiki/File:Myoglobin.png.
File:Arginine.png, n.d. http://commons.wikimedia.org/wiki/File:Arginine.png.
File:Aspartic Acid.png, n.d. http://commons.wikimedia.org/wiki/File:Aspartic_Acid.png.
"File:Blausen 0761 RedBloodCells.png." Wikipedia, the Free Encyclopedia. Accessed February 5, 2014. http://en.wikipedia.org/wiki/File:Blausen_0761_RedBloodCells.png.
"File:Bromothymol Blue Colors.jpg." Wikipedia, the Free Encyclopedia. Accessed February 15, 2014. http://en.wikipedia.org/wiki/File:Bromothymol_blue_colors.jpg.
File:Glutamine2.png, n.d. http://commons.wikimedia.org/wiki/File:Glutamine2.png.
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