Chromatography of Spinach Extract
Extraction of Metals With Dithizone
Partitioning of Iodine in Solution
Computer Simulation of Mass Spectroscopy
Magic Sands Models the Hydrophobic Effect
Reverse Phase Separation of Dyes
Water Softening – Hard and Soft Water With Soap
Effect of Ion-Exchange Resin on Conductivity
Partitioning of Iodine in Solution
Description: Equimolar solutions of iodine in both hexane and water are shaken in a separatory funnel with either water or hexane. The iodine in water is driven to the hexane layer, but not visa versa, as seen by the color of iodine.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Mineral Oil, Water, Hexane, Iodine
Rating: 
Hazard: High
- Acute toxicity hazard – inhalation, dermal, oral
- Flammability hazard
- Acute and chronic aquatic toxicity hazard
- Aspiration hazard
- Skin irritation
- Eye irritation
- Reproductive toxicity
- Specific organ toxicity – central nervous system, respiratory system, thyroid
Effectiveness: Good
- Results are clearly observable without guidance
- Time to results is low
- Good connection from demo to course material
- Mild effects are seen are by audience
- Good reliability
Difficulty: High
- Complex lab equipment manipulations
- Use of toxic and flammable compounds
- Requires training or extended practice to perform correctly
- Handle lab equipment with care
- Procedures with multiple steps
- Requires deep attention
Safety Precautions:
- Gloves required
- Eye protection required
- Perform in a well-ventilated area
- ABC fire extinguisher on hand
- Perform on chemically resistant surface
- Prior training required
- Absorbent material on hand
- Prevent release of reagents to the environment
Class: Equilibrium, Organic Chemistry, Phase Solubility
Division: General, Organic Chemistry, Analytical Chemistry
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