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Contact angle, optical

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Overview

Optical contact angle measurement
The optical analysis of drops that hang from a dosing needle or are placed on a solid surface facilitates the determination of different surface and interfacial parameters. The contact angle that a liquid drop establishes on a solid surface characterises the solid’s wetting behaviour with said liquid.

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Application notes

One-click surface energy determination with pressure-based double dosing system DDS-P for the OCA series
The pressure-based double dosing system DDS-P in combination with the optical contact angle measuring and contour analysis system OCA and its corresponding software from DataPhysics Instruments, enables the determination of the surface energy of a solid with one click.

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PDF icon Download Application note, Surface energy analysis of dental Implants after plasma activation with the piezobrush PZ3, using the picolitre dosing system PDDS.pdf (347.73 KB)
Surface energy analysis of dental Implants after plasma activation with the piezobrush PZ3, using the picolitre dosing system PDDS
Date of creation: 
2 January 2024
Library code: 
13589
PDF icon Download Application note, Optical contour analysis absorption measurements of water droplets on filter membranes.pdf (701.42 KB)
Optical contour analysis: absorption measurements of water droplets on filter membranes
Date of creation: 
2 January 2024
Library code: 
13591
PDF icon Download Application note, Contact angle measurement of lipstick using optical contact angle measuring and contour analysis system OCA 25.pdf (376.51 KB)
Contact angle measurement of lipstick using optical contact angle measuring and contour analysis system OCA 25
Date of creation: 
2 January 2024
Library code: 
13616
Literature

DataPhysics OCA product series
The optical contact angle measuring and contour analysis systems of the OCA series combine high resolution optics, exact liquid dosing and precise sample positioning into powerful and reliable measuring systems.

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