Equilibrium of Chemical Systems- Acid-Base Properties of Amino Acids

Acid-Base Properties of Amino Acids

Description: When an acidic amino acid solution is titrated with a base, the resulting curve can be used to determine the pKa values of the amino acid.

Source: Kristen Johnson

Year:  1999  Vol: N/A   Page: N/A

Keywords: Amino Acid, pKa value, Titration, Base

Rating:

Hazard: Some

  • Electric shock hazard
  • Acute toxicity hazard
  • Skin corrosion hazard
  • Aquatic toxicity hazard
  • Corrosive to metals

Effectiveness: Average

  • Results are observable with guidance
  • Mild effects are seen by audience
  • Secondary  observations
  • Time to result is medium

Difficulty: High

  • Experiments in which data recording and display are necessary
  • Multi-step procedures with varying results depending on order or amount of reaction
  • Demos require training or extended practice
  • Use of scientific equipment

Safety Precautions:

  • Eye protection required
  • Gloves required
  • Use of UL approved three-prong plug and outlet
  • Absorbent materials on hand
  • Sodium bicarbonate on hand
  • Avoid exposure to mists or droplets
  • Prevent release of reagents to the environment

Class: Biochemistry, Acids and Bases, Equilibrium

Division: General, Analytical Chemistry, Physical Chemistry

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