Chromatography of Spinach Extract
Extraction of Metals With Dithizone
Partitioning of Iodine in Solution
Computer Simulation of Mass Spectroscopy
Magic Sand Models Hydrophobia Effect
Reverse Phase Separation of Dyes
Water Softening – Hard Water and Soft Water With Soap
Magic Sand Models the Hydrophobic Effect
Description: This sand is specially coated with a hydrophobic material, and it is not wetted by water. Its appearance in water is compared to that of regular sand. Magic sand is wetted by methanol.
Source: Journal of Chemical Education
Year: 1990 Vol: 67 Page: 512
Keywords: Magic sand, Hydrophobic, Methanol, Water, Methyl Siloxane
Rating: 
Hazard: Low
- Breakage hazard
Effectiveness: Good
- Clearly observable with guidance
- High reliability
- Good connection from demo to course material
- Time to results is low
- Contrast between systems is obvious
Difficulty: Medium
- Simple manipulations for most to perform
- Demos in which a display is used
- Simple procedures
- Some sequential manipulations required
Safety Precautions:
- Eye protection required
- Absorbent material on hand
Class: Intermolecular Forces, Physical Properties
Division: General, Analytical Chemistry
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