A new method of determining the contact angle made by a sessile drop upon a horizontal surface (sessile drop contact angle)
β Scribed by Denis John Ryley; Bakr Hamzar Khoshaim
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 1002 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0021-9797
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Several commercial UF-membranes are characterized by water contact angles. Two different methods of contact angle measurements, the sessile drop and the captive bubble methods, are compared. Differences in results between the two methods occur for the DDS CR 61 membrane; otherwise the methods give r
be accurately applied to fibers (8,9). The methods, which A generalized drop length-height method is introduced here determine the contact angle by means of the direct observafor the determination of contact angle in the drop-on-fiber systems. tion of the formed meniscus using microscopy (10, 11), a