Volume-18 (12/2007)
Surfactant Additives for Pesticide Formulations - Effects on Both Spray Atomization and Substrate Wettability
Optimizing the application of pesticides, herbicides, and fungicides by spraying techniques - either on the small scale or in the case of large agricultural application - depends on some fundamental surface science. For example the interfacial tension determines (for any given amount of pressure and nozzle configuration) the size of the formed droplets of pesticide.
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Practical Contact Angle Measurement (3):
The eye also measures
The optical system with illumination, camera and video image evaluation is the heart of a contact angle measuring instrument. Its increasing precision is primarily due to advances in video technology and drop shape analysis. This third part of our series on practical contact angle measurement helps you to utilize the possibilities of the optics to the full and measure accurately and reproducibly.
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