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Full set of Notes with Fill-Ins - San Jose State University

Full set of Notes with Fill-Ins - San Jose State University

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Chem 155 Unit 9 Atomic Emission Page 173 <strong>of</strong> 316A perfect internal standard will have:Identical Activation Energy (ΔE)Exercise: Derive an equation for the ratio <strong>of</strong> theanalyte to IS signals as a function <strong>of</strong> temperature:Recall:e ae be a−bTheanswer:S AS ISQ A ⋅N AQ IS ⋅N IS⋅e( ΔE A−ΔE IS )kTSo:Internal Standards makemeasurements <strong>of</strong> C Analyte moreindependent <strong>of</strong> temperature if ΔE A ≈ΔE ISPage 173 <strong>of</strong> 316

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