3.4. Organic and Inorganic Analysis

Try these first

1. 1.

   Explain gravimetric measurements.

   Hint

   Think about measurement and mass.

2. 2.

   What does optical diameter refer to?

   Hint

   Consider light and size.

3. 3.

   What does gravimetric measurement assess?

   • Optical size
   • Mass of collected particles
   • Chemical composition

   Hint

   Think about what you weight.

4. 4.

   True or False: Elemental carbon is always in the form of soot.

   • True
   • False

   Hint

   Consider other sources of carbon.

5. 5.

   Design an experiment to determine the most suitable filter for collecting PM sample analysis focusing on organic compounds.

   Hint

   Think about the properties of filters.

6. 6.

   Evaluate the impact of using the wrong filter type on your PM analysis results.

   Hint

   Think about potential errors in results.