• The area of pigment sampled with the handheld XRF is marked with an asterisk in the middle of the red shoe, approximately a 4x5mm oval.
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    The area of pigment sampled with the handheld XRF is marked with an asterisk in the middle of the red shoe, approximately a 4x5mm oval. The resulting elemental spectrum is shown below with the peaks identified. Credit: Carolyn Burns

  • The area of pigment sampled with the handheld XRF is marked with an asterisk in the middle of the red shoe, approximately a 4x5mm oval.

Created:

2017

Credit:

<p>Carolyn Burns</p>

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