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Total Organic Carbon Analyzer Theory of Operation
Teledyne Analytical Instruments 15
be reduced to approximately 2.0 to 3.0. If the sample pH is not properly
reduced as described in Figure 2-8, increase the normalcy of the acid
reagent until the water exiting the sparger drain is between 2.0 and 3.0.
Figure 2-8: Relationship Between TIC and pH
2.4.3 Oxidation
The UV reactor and persulfate reagent provide oxidation of the
carbon to CO
2
. The UV reactor consists of the following:
• Mounting enclosure with viewing window
• Borosilicate reactor body
• Heater/Temperature sensor
• UV Lamp
• Miscellaneous fittings and clamps