Allen Chao

Phenomena

• Oxidation-Reduction

  

• Color

  

• Sewage

  

• Ultraviolet Rays

  

Concepts & Ideas

• Hydrogen-Ion Concentration

  

• Molecular Conformation

  

• Models, Chemical

  

• Theoretical Models

  

• Time Factors

  

Chemicals & Drugs

• Humic Substances

  

• Lignin

  

• Hydroxyl Radical

  

• Ozone

  

• Titanium

  

• Nitrogen

  

Activities & Behaviors

• Water Purification

  

• Fluid Waste Disposal

  

Objects

• Bioreactors

  

Occupations

• Photochemistry

  

Procedures

• Spectrophotometry