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Mars Organic Molecule Analyzer (MOMA) - Harsh-Environment ...

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<strong>MOMA</strong> GCMS Interface<br />

Count<br />

3000<br />

2000<br />

1000<br />

0<br />

1500<br />

1000<br />

500<br />

0<br />

INTERNAL IONIZATION w/ CO 2<br />

237.5V, -60/+240V pulsing<br />

EXTERNAL IONIZATION w/ CO 2<br />

0 100 200 300 400 500 600 700 800<br />

Mass<br />

166.5V<br />

237.5V<br />

166.25V,<br />

1200<br />

1000<br />

800<br />

600<br />

400<br />

200<br />

0<br />

-60/+160V pulsing<br />

JHU SOM<br />

CO 2 as the bath gas<br />

T. Evans-Nguyen<br />

23

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