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McIlvaine buffer is a buffer solution composed of citric acid and disodium hydrogen phosphate, also known as citrate-phosphate buffer.It was introduced in 1921 by the United States agronomist Theodore Clinton McIlvaine (1875–1959) from West Virginia University, and it can be prepared in pH 2.2 to 8 by mixing two stock solutions.
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In October 2006, PDF Solutions purchased Si Automation for $26.6 million in cash. [4] In 2019, the company purchased assets from StreamMosaic. [5] PDF Solutions acquired Cimetrix Incorporated in November 2020. [6] In July 2023, the company acquired Lantern Machinery Analytics. [7]
A buffer solution is a solution where the pH does not change significantly on dilution or if an acid or base is added at constant temperature. [1] Its pH changes very little when a small amount of strong acid or base is added to it. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical ...
Created Date: 8/30/2012 4:52:52 PM
Pell's equation for n = 2 and six of its integer solutions. Pell's equation, also called the Pell–Fermat equation, is any Diophantine equation of the form =, where n is a given positive nonsquare integer, and integer solutions are sought for x and y.
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Download as PDF; Printable version; In other projects ... Pages in category "Solution .45 members" ... This page was last edited on 6 April 2019, ...