Degradation of Art and Design Materials

          1: List the atmospheric conditions as they relate to environmental pollutants that you created in the Metals tests for the following materials: Salt solution (NaCl), Vinegar (acetic acid CH3COOH), ammonia (NH4), Control What key atmospheric conditions did we exclude? How accurate do you think our tests were and why? 2: Describe the effects of the Nitrogen emitting materials on each tab. 3: List three outdoor sources for nitrogen emitting pollutants. 4: If you look at the results of the Oddy tests from last year, describe the effects of the Sulfur emitting materials on each of the metal tabs in the Oddy tests. 5: List other sulfur emitting materials that you might find in your home and that might be found in the museum environment.