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Effects of Sample Matrix on the Sample<br />

Introduction System<br />

Sample Cone Skimmer Cone<br />

The standard 2.5mm injector<br />

torch used was virtually depositfree.<br />

The blood deposits on spray<br />

chamber and the nebulizer block<br />

were removed using a sodium<br />

hypochlorite solution<br />

Images: R. Wahlen et al., LGC Limited, UK<br />

Page 13<br />

Photos of the interface and<br />

sample l iintroduction t d ti system t<br />

after a 90-sample run (whole<br />

blood).<br />

Both the sampler and<br />

skimmer cones show only<br />

minor matrix deposits – none<br />

at the cone tips<br />

ESAC April 2008

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