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会议Poster
Applications of Mixture Analysis to FT-IR Spectra of Multi-Component Polymeric Systems
Introduction
IR spectral identification of multi-component samples is a challenging process:
• Highly overlapping peaks• Lack of specific component knowledge
• Assignment of functional groups to a specific component
• Time intensive one-component-at-a-time spectrum analysis
KnowItAll ® mixture analysis effectively addresses IR spectral identification of multi-component samples.
Mixture analysis is a mathematical process to extract:
• Combinations of IR spectra in a library database
• Simultaneously minimizing the residual relative to the unknown IR spectrum
Mixture analysis results:
• Provide a series of potential unknown component IR spectra for evaluation
• Improve data mining efficiency
• Simplify search results evaluation
Conclusions
IR spectral identification of multi-component samples lends itself to a combination approach using mixture analysis and simple spectral search.
High degree of module interconnectivity.
Integrated with all other functionalities of KnowItAll ® .
• Individual module provide partial answers
• In totality a systematic and efficient analysis
Applicable to a wide variety of spectral identification problems.