Gran Plot

Gran Plot

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A Gran plot is a common means of standardizing a titrate or titrant by estimating the equivalence volume or end point in a strong acid-strong base titration or in a potentiometric titration. Such plots have been also used to calibrate glass electrodes, to estimate the carbonate content of aqueous solutions, and to estimate the Ka values of weak acids and bases from titration data. Gran plots use linear approximations of the a priori non-linear relationships between the measured quantity, pH or electromotive potential, and the titrant volume. Other types of concentration measures, such as spectrophotometric absorbances or NMR chemical shifts, can in principle be similarly treated. These approximations are only valid near, but not at, the end point, and so the method differs from end point estimations by way of first- and second-derivative plots, which require data at the end point.show more

Product details

  • Paperback | 72 pages
  • 152 x 229 x 4mm | 118g
  • Spellpress
  • United States
  • English
  • black & white illustrations
  • 6135651692
  • 9786135651690