ramé-hart instrument co.
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Contact Angle in DROPimage Advanced
ramehart
97 views
In this video we measure the water contact angle on a treated steel surface. We use the right line option to overcome the effects of the hole in the drop.
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ramé-hart DROPimage Acid-Base Tool
ramehart
77 views
In this experiment we measure the surface energy of a polymer surface using the Acid-Base tool in ramé-hart DROPimage Advanced using Water, Glycerol, and Methylene Iodide.
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DROPimage Red Line & Right Line Options
ramehart
137 views
In this video we illustrate how and when to use the red line and right line options in ramé-hart DROPimage software.
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Fiber Contact Angle
ramehart
125 views
How to measure the contact angle on fiber using ramé-hart DROPimage software.
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How to Level the Specimen Stage
ramehart
208 views
In this how to video, we walk through the steps used to level the specimen stage of any ramé-hart goniometer. In the video we are using a Model 290 with DROPimage Advanced....
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Measuring Contact Angle with DROPimage CA
ramehart
473 views
In this video we are measuring contact angle of water on a treated glass substrate using DROPimage CA which is included with ramé-hart Model 190.
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DROPimage CA Right Line with Advancing and Receding Contact Angles
ramehart
402 views
In this video we use the Right Line Option in DROPimage CA to measure the advancing and receding contact angles as well as the static contact angle of water on PTFE.
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Dynamic Surface Tension Video Replay
ramehart
510 views
In this video we watch how surface tension is measured over time using DROPimage Advanced software from ramé-hart. We then replay the frames using the recalculate command a...
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ramé-hart Advancing and Receding Contact Angles Using Tilt Method
ramehart
1,818 views
This experiment was created using ramé-hart DROPimage Advanced software and was conducted using a current-generation Model 290 Goniometer / Tensiometer. In this experiment ...
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Surface Energy Measurement using ramé-hart DROPimage Advanced
ramehart
509 views
In this video we use a ramé-hart Model 250 (or 500) Goniometer to first measure the contact angle of water and then diodomethane on a sample of treated polyethylene. Using ...
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