Title: Constant temperature cold-end corrosion probe

Abstract: Method and apparatus for determining the corrosion or acid deposition rate in the cold end of a boiler system, including a probe loop having an organic solvent circulating through the loop with a predetermined boiling temperature wherein the loop includes a removable specimen that can be tested for acid deposition or corrosion rate. Recirculation of the organic solvent maintains the surface temperature of the specimen within close limits approximating the maximum corrosion temperature.

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Inventors: Robertson, Reed S. (Glen Ellyn, IL, US)
Watson, William R. (Oaklawn, IL, US)

Application Number: 513870
Filing Date: 1974-10-10
Publication_date: 1976-01-27
Assignee: Nalco Chemical Company (Chicago, IL)
Primary Class(es): 165/104.21 374/7, 436/6
Other Classes:
US Patent Ref:

1711804	May, 1929	Munters	165/105.
2834858	May, 1958	Schaschl	23/230.
2972248	Feb, 1961	Gerhardt	23/230.
3131029	Apr, 1964	Dieman	23/230.
3259461	Jul, 1966	Griffin	23/230.
3639876	Feb, 1972	Wilson	23/230.
3801467	Apr, 1974	Nobe	73/15.
3861876	Jan, 1975	Robertson	23/230.
3869912	Mar, 1975	Horvath	73/15.
3871444	Mar, 1975	Houser	73/15.
3875794	Apr, 1975	Horvath	73/15.

Other Refs:
Primary Examiner: Davis, Jr., Albert W.
Assistant Examiner: O'Connor, Daniel J.
Attorney: Lockwood, Dewey, Zickert & Alex