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 Application Notes
  Bicarbonate in Pancreatic Fluid Forward Titration
 Log # 700A Titration Application Note
 The concentration of bicarbonate in water is determined using the preset endpoint titration technique on the ORION 960 Titrator with hydrochloric acid as a titrant. A pH electrode is used to measure the endpoints at pH 8.3 and pH 4.5. The difference in sample concentration between the two endpoints represents the concentration of bicarbonate in the sample.