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Speciation of Individual Mineral Particles of Micrometer Size by the ...

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ATR-FT-IR imaging for single particle analysis<br />

♦ ATR-FT-IR (Attenuated Total Reflectance-FT-IR Spectrometry)<br />

- <strong>Individual</strong> Particle Analysis<br />

* location : optical image<br />

* functional groups, molecular species, and crystal structure : IR spectra<br />

Dual detector<br />

Visible radiation<br />

d = 600 μm<br />

▲ ATR imaging accessory<br />

Cassegrain system<br />

Motorized sample stage<br />

Ge crystal – sample contact surface ▲<br />

sample<br />

IR radiation<br />

◄ Ge crystal for imaging

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