Method for detecting residues on a component

Details Method for detecting residues on a component Method for detecting residues on a component

2011-05-17

2011-05-17

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

Reexamination Certificate

active

07942037

ABSTRACT:
The present invention relates to a method for detecting residues on a component and particularly on the surface of the component. In order to also allow the testing of surfaces which are difficult to access, without the apparatus outlay growing, the method according to the present invention comprises the following steps: producing a base solution and a reference solution from water, producing a washing solution by adding fresh solvent to the base solution, filling the component to be tested with the washing solution, wetting the entire inner surface of the component with the washing solution, draining the washing solution out of the component, producing a test solution by adding the washing solution to the base solution, comparing the test solution to the reference solution, and testing whether a turbidity occurs in the mixing zone between the washing solution and the base solution, as proof for lubricant on the surface of the component.

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English translation of Chinese examination report dated Apr. 14, 2010 for CN 200680037031.8.
International Search Report for PCT/EP2006/067143 dated Dec. 19, 2006.

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