Colorimetric detector for monitoring oil degradation

Details Colorimetric detector for monitoring oil degradation Colorimetric detector for monitoring oil degradation

1987-04-09

1988-12-27

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 56, 422 57, 436 61, G01N 2180

Patent

active

047939770

ABSTRACT:
A new and improved on-site method for protecting an internal combustion engine in the field for maximizing service time by determining the change point of the lubricating oil. The on-site method utilizes a new colorimetric method and apparatus which serves as an indicator of the amount of acid build-up in the lubrication oil. The apparatus is a test strip formed from a polymeric matrix comprised of ion-rich domains known as an ionomer. A dye is bonded to the ion-rich domains and then activated by dipping the test strip in a basic solution.

REFERENCES:
patent: 3544484 (1970-12-01), Roth
patent: 4166804 (1979-09-01), Bleha et al.
patent: 4521276 (1985-06-01), Witonsky et al.
patent: 4654309 (1987-03-01), Mlinar et al.

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