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Is My Drywall Chinese? - HB Litigation Conferences

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Complex Organic Mix‐‐Headspace<br />

Complex mixture of organosulfur<br />

and other species<br />

Analysis of Solid Material<br />

• Elemental Analysis—X‐ray Fluorescence,<br />

bbroad dspectrum t (50 elements, l t iinc. S)<br />

• Sulfur analysis—Extraction/HPLC, GC/MS<br />

Usefulness of data uncertain<br />

• FTIR—Spectral feature used for ID. One‐<br />

dimensional data subject to interferences<br />

• Head‐space off‐gassing<br />

6/23/2009<br />

9

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