WebNov 1, 2024 · The optical contact angle measuring apparatus was used to determine the WCA and SA of various samples (Dataphysics OCA25, Germany). The WCAs and SAs were measured in five separate locations and the average data was derived for each sample using a 4 L deionized water droplet. 2.5. Electrochemical tests WebThe OCA 25 is the all-purpose measuring device for contact angle measurements and the drop shape analysis. For large samples the OCA 25L is equipped with long x- and y-axis. To cope with special …
OCA 20 - OCA Measuring Instruments - Automatic Contact Angle ...
WebDataPhysics Instruments GmbH in Moses Lake, WA Expand search. Jobs People Learning WebThe contact angle (CA) of the samples was measured by using a CA meter (Dataphysics, OCA25) with a 2.2 μL drop of deionized water at ambient temperature (∼5 °C). Each sample was tested at least five times on different locations to evaluate the CA. 4.8 Photothermal conversion performance test fisher close saxmundham
DCAT Dynamic contact angle measuring devices and
WebMar 1, 2024 · Dataphysics OCA25 was used to obtain the water contact angle (WCA) and underwater oil contact angle (OCA). The total organic carbon (TOC) analyzer (Shimadzu TOC-L) was used to evaluate the oil content in filtrate. The water content in the oil filtrate was detected by the Karl Fischer Titrator (831KF, Metrohm, Switzerland). The Novel … WebAug 26, 2024 · Characterization of the wettability of laser-processed silicone rubber surfaces was performed by a video contact angle meter (Dataphysics OCA25) with a droplet volume of 9 μl used to measure contact and roll angles. A scanning electron microscope (SEM) system (ZEISS GeminiSEM 500) was used to observe the morphology of the laser … WebOct 15, 2024 · Ultra-depth three-dimensional microscope (Hirox, Japan) was utilized to observe the three-dimensional structure of membranes. The surface wettability was characterized by static contact angle which was measured by contact angle tester (DATAPHYSICS OCA25, Germany). 2.4. Preparation and characterization of … canaday care gallipolis ohio