Colorful Acid-Base Indicators
Description: We have universal indicator, bromothymol blue, phenolphthalein, methyl red indicator solutions at different ranges of pH for display.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 33
Keywords: Indicators, Buffers, Light box, Display, Phosphates
Ratings: 
Hazard: Low
- Mild toxicity hazard
- Sealed reagents
Effectiveness: Good
- Results are clearly observable by audience
- Good connection from example to course material
- High reliability
- Time to results is low
Difficulty: Low
- Sealed tubes serve as a display
- Simple manipulations
- Simple procedures
Safety Precautions:
- Eye protection required
- Gloves on hand
- Absorbent materials on hand
Class: Acids and Bases, Buffers, Indicators
Division: General, Analytical Chemistry
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