Photothermal Deflection Spectroscopy of Collected Aerosols

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Considerations for Chemical Analysis Trace analysis needs low detection limits Dynamic range is important for practical samples Precision is equally important in mixtures Analysis should be standardized Measurements and reports should be comparable between all laboratories Need for stable calibration methods and materials Suitable instrument calibration standards are needed for each phase andexperiment type Standard Reference Materials (SRM) seem to be lacking in the analyticalchemical community using photothermal spectroscopy
Further Considerations for Chemical Analysis Chemical analysis requires “well-behaved” techniques Measurements need to be reproducible and stable Reproducible light source, alignments, sample measurementdiagnostics. No changes in chemical state No thermal decomposition No optical bleaching and other nonlinear effects Minimize convective cooling turbulence flicker noise
Page 3 and 4: Chemical Analysis Perspective ofPho
Page 5 and 6: Apparatuses to DetectPhotothermal H
Page 7: Photothermal Detection: ComparisonC
Page 11 and 12: Photothermal Detection of Condensed
Page 13 and 14: PM - Updated RulesUS EPA Fine Parti
Page 15 and 16: Laboratory-Based Condensed PhaseAer
Page 17 and 18: Aerosol / Particle Generation Nebul
Page 19 and 20: Aerosols Generation and SamplingAto
Page 21 and 22: Size and Number Calibration Aerosol
Page 23 and 24: IR Laser-Excited Photothermal Defle
Page 25 and 26: Aerosols Number Concentration100908
Page 27 and 28: So why are the detection limits so
Page 29 and 30: MOUDI Calibration CurveStage 6 (0.5
Page 31 and 32: Finite Element Analysis Modeling Fi
Page 33 and 34: Particle “Crowding” Effect Does
Page 35 and 36: Results for Substrate Thermal Condu
Page 37 and 38: Inference from Heat Transport and S
Page 39 and 40: Future Aerosol Work We need to us a
Page 41: Acknowledgements Several persons wo

Photothermal Deflection Spectroscopy of Collected Aerosols

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