Question #56968

1 Answer
Jun 24, 2017

Answer:

Here is a common method.

Explanation:

There are three parts to organic content analysis:

Preparation

  • Acidify to convert inorganic carbon to #"CO"_2#
  • Bubble an inert gas through the water to remove the #"CO"_2#
  • Filter through a 0.45 µm filter to remove suspended solids

Oxidation

  • Oxidize organic carbon to #"CO"_2# with persulfate in a UV-irradiated chamber

Analysis

  • Measure the IR absorption of the #"CO"_2"#
  • Report the organic carbon as mg/L or ppm TOC.