Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1991-09-24
1993-08-31
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 81, 422 8209, 422 62, 422 67, 7386341, 7386481, 356 36, 356442, G01N 2108, G01N 3508
Patent
active
052406814
ABSTRACT:
A method for flow injection analysis of total inorganic phosphate contained in an aqueous system such as a cooling tower or boiler is described which uses a reducing agent and preservative composition therefore as the carrier for the sample to be analyzed, thereby creating a facile process which permits conversion of the various polyphosphates to orthophosphate and development of the molybdenum blue complex color reaction at 60.degree.-95.degree. C. and under 2-10 psi. This method has less stringent pressure and temperature requirements than those employed heretofore, thus permitting the use of more reliable and economic devices for measuring total inorganic phosphate in the field.
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O'Lear Christina
Salamony Keith J.
Calgon Corporation
Caruso Charles M.
Housel James C.
Redding David
Speer Raymond M.
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