Journal
LANGMUIR
Volume 26, Issue 12, Pages 9187-9190Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la101309j
Keywords
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Funding
- Division Of Human Resource Development
- Direct For Education and Human Resources [833180] Funding Source: National Science Foundation
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A method for precise and reproducible initial contact force measurements is introduced utilizing an apparatus fabricated with a microbalance and z-axis stage to study the interaction behavior between cyclopentane (CP) hydrate and water in a temperature controlled hydrocarbon environment. CP hydrate probes are prepared using hydrate slurries composed of 5 wt % CP and Wilhelmy rods. The CP hydrate probe is slowly brought into contact with water to determine the initial contact force. The effect of substrate morphology on the initial contact force is reported through employing aluminum substrates prepared using physical vapor deposition (PVD) and milling. Accurate and facile measurements are performed by applying a high-resolution microbalance with 0.1 mu N resolution to provide repeatable and consistent results of initial contact force between hydrate and water.
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