Difference between revisions of "Goniometer (Rame-Hart A-100) - Operating Procedure"
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* Note that the image through the scope is ''inverted'' upside-down. |
* Note that the image through the scope is ''inverted'' upside-down. |
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* You will also see a reflection of the water droplet on your polished substrates, as illustrated here: |
* You will also see a reflection of the water droplet on your polished substrates, as illustrated here: |
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| − | [[File:Goniometer - Reflective Sample Illustration.png|alt=Illustration of a reflective sample.|none|thumb|Illustration of a reflective sample. Substrate is on ''top'' due to inverted image.]] |
+ | :[[File:Goniometer - Reflective Sample Illustration.png|alt=Illustration of a reflective sample.|none|thumb|Illustration of a reflective sample. Substrate is on ''top'' due to inverted image.]] |
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[[File:Goniometer (Rame-Hart A-100) - Steps for Measuring v1.png|600x600px]] |
[[File:Goniometer (Rame-Hart A-100) - Steps for Measuring v1.png|600x600px]] |
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Revision as of 09:23, 27 July 2020
System Illustration
_-_Annotated_Photo.png)
Measurement Procedure
To measure the contact angle of water on a surface, perform the following procedure.
- Note that the image through the scope is inverted upside-down.
- You will also see a reflection of the water droplet on your polished substrates, as illustrated here:
_-_Steps_for_Measuring_v1.png)