método e dispositivo de teste para determinar a concentração de um inibidor de corrosão orgânico em um fluido refrigerante

A test substrate for determining concentration of an organic corrosion inhibitor in a coolant fluid is provided. The test substrate comprises a porous substrate having at least a surface treated with a sufficient amount of at least a metal salt for reacting with a molar equivalent amount of the orga...

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Bibliographic Details
Main Authors LEONARD S. BARTLEY JR, PAUL O. FRITZ, REGIS JOSEPH PELLET
Format Patent
LanguagePortuguese
Published 13.10.2015
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A test substrate for determining concentration of an organic corrosion inhibitor in a coolant fluid is provided. The test substrate comprises a porous substrate having at least a surface treated with a sufficient amount of at least a metal salt for reacting with a molar equivalent amount of the organic corrosion inhibitor in a representative sample of the coolant fluid, and at least a color indicator. The color indicator reacts with the metal salt and/or the organic corrosion inhibitor, forming an irreversibly colored complex and causing a color change in the test substrate.
Bibliography:Application Number: BR2009PI12967