Chemistry A-Level
fingerprint region and database matching
What fingerprint region and database matching means in Chemistry A-Level, as defined for OCR.
Definition of fingerprint region and database matching
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Reference: OCR
The complex region below about 1500 cm⁻¹, used for matching a whole spectrum to a database rather than for assigning individual bonds.
Topics that use fingerprint region and database matching
- Analytical techniques (OCR A-Level)
Related terms
- Absorption and re-emission of infrared radiation
- Absorption of infrared radiation
- Absorption of infrared radiation by bond vibrations
- Bond stretching and bending
- Broad peak shape caused by hydrogen bonding
- Change in dipole moment
- Changes to energy usage
- characteristic absorption bands
Using fingerprint region and database matching in the exam
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