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Optical images show contact between hydrophobic (a), hydrophilic (b),... | Download Scientific Diagram
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![Waterproof materials chalk concept icon. Water resistant substances idea. Waxed surface, covering, hydrophobic protective layers with liquid drops. Ve Stock Vector Image & Art - Alamy Waterproof materials chalk concept icon. Water resistant substances idea. Waxed surface, covering, hydrophobic protective layers with liquid drops. Ve Stock Vector Image & Art - Alamy](https://c8.alamy.com/zooms/6/e11bba998b17407b9862c08e900a25ec/2andg8c.jpg)
Waterproof materials chalk concept icon. Water resistant substances idea. Waxed surface, covering, hydrophobic protective layers with liquid drops. Ve Stock Vector Image & Art - Alamy
![The surface reactivity of chalk (biogenic calcite) with hydrophilic and hydrophobic functional groups - ScienceDirect The surface reactivity of chalk (biogenic calcite) with hydrophilic and hydrophobic functional groups - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0016703713006959-gr8.jpg)
The surface reactivity of chalk (biogenic calcite) with hydrophilic and hydrophobic functional groups - ScienceDirect
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The surface reactivity of chalk (biogenic calcite) with hydrophilic and hydrophobic functional groups - ScienceDirect
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