10 good questions and answers about "Materials - Introduction"

What happens if you select a wrong technique?
Inappropriate or useless information
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What is a mineralogical way of looking at things?
On documenting the crystal structure
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What is a chemical/elemental way of looking at things?
  • Look at the elements themselves
    • For example the structure of sand
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How do you deal with alterations/prone materials?
  • Correct for them
  • Pick the right samples
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What metals are not resistant to alteration?
  • Glass
  • Metal
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How can we identify with what element we are dealing?
Every element wants to be stable. If we disturb the stability -> different effects. Based on the effect, we can identify which element we are dealing with
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Quantitative research elements
Amount of elements present
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In what weight percentage are elements expressed?
Major and minor elements: wt.%
Trace elements: ppm
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What is the basis of research by the means of electromagnetic radiation?
  • All techniques are based on electromagnetic radiation = the light around us
  • This energy is called the incident energy = start energy.
  • That start energy will react with our sample.
  • Based on the energy, the reaction will be different (transmitted, resorbed or reflected)
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How can we determine what elements are present by the means of electromagnetic radiation?
The amount of energy that is, for example, absorbed can be measured -> determine what element is present
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