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Rezultate - Universitatea Alexandru Ioan Cuza

Rezultate - Universitatea Alexandru Ioan Cuza

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Analiza prin difractia neutronilor pentru suspensiile coloidale de<br />

magnetita in kerosen preparate prin co-precipitare chimica si<br />

respectiv prin “macinare umeda”<br />

I(q), cm -1<br />

1000<br />

100<br />

10<br />

1<br />

0.1<br />

0.01<br />

Do σ<br />

co-precipitation 11.0 nm 0.29<br />

wet milling 8.3 nm 0.33<br />

0.01 0.1<br />

q, A -1<br />

D(r)<br />

0.2<br />

0.1<br />

0.0<br />

Size distribution<br />

co-precipitation<br />

wet milling<br />

0 5 10 15 20 25 30<br />

diameter, nm<br />

Colaborare cu Research Institute for Solid State Physics and Optics,<br />

Budapast, Hungary si Laboratory for Neutron Scattering, PSI and ETH<br />

Zürich, CH-5232 Villigen, Switzerland

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