Acids and Bases- Colorful Acid-Base Indicators

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