Teledyne 6750 - Total Organic Carbon analyzers - Manual (Page 27)

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