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Thierry Farouz Dr Daniel Bloch - Société de Médecine & Santé au ...

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Front si<strong>de</strong> of th e<br />

sample to be<br />

tested<br />

Pressure g<strong>au</strong>ge<br />

(front/back si<strong>de</strong>)<br />

Tests <strong>de</strong>s gants et tenues <strong>de</strong> protection<br />

Particles flow for<br />

sample front si<strong>de</strong><br />

gaz weeping<br />

Back si<strong>de</strong> of the<br />

sample to be<br />

tested<br />

To exit (filter<br />

before flowing to<br />

environment )<br />

To SMPS + C<br />

Filtered argon for<br />

sample back si<strong>de</strong><br />

gaz weeping<br />

CEA Grenoble, <strong>Thierry</strong> <strong>Farouz</strong>, <strong>Daniel</strong> <strong>Bloch</strong><br />

Particles flow<br />

Test sample<br />

Filtred air<br />

SMPS+C<br />

On maintient une concentration <strong>de</strong> nanoparticules dans la cellule amont.<br />

Une différence <strong>de</strong> pression <strong>de</strong> l’ordre <strong>de</strong> 20 g/cm 2 simule un contact nanoparticules<br />

/ gant ou tenue <strong>de</strong> protection. Les particules qui passent <strong>au</strong> travers du media par<br />

diffusion sont détectées par SMPS dans la partie avale <strong>de</strong> la cellule.<br />

Métho<strong>de</strong> dérivée <strong>de</strong> la “Through-diffusion” method standards NF EN 374 and NF EN ISO 6529).<br />

26/30<br />

Carbon generator<br />

<strong>Société</strong> <strong>de</strong> mé<strong>de</strong>cine du travail<br />

Lyon le 3 octobre 2008

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