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| Application Notes |
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| Bicarbonate in Pancreatic Fluid Back Titration |
| Log # 700B Titration Application Note |
| The concentration of bicarbonate in water is determined using the first derivative titration technique on the ORION 960 Titrator with sodium hydroxide as the titrant. A known amount of hydrochloric acid is added to the sample and the excess acid is titrated with the base. The endpoint of this back titration is measured by a pH electrode. The moles of reacted acid are equal to the moles of bicarbonate in the sample. The operator must have a general idea of the bicarbonate concentration in the sample. |
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