Spectroscopy

Home > Chemistry > Analytical Chemistry > Spectroscopy

The measurement of the interaction of electromagnetic radiation with matter.

Electromagnetic Radiation: This topic covers the nature and properties of electromagnetic waves, including their wavelength, frequency, and energy.
Light-Matter Interaction: This topic covers the interaction of electromagnetic radiation with matter, including absorption, transmission, and reflection of light.
Types of Spectroscopy: This topic covers the various types of spectroscopy techniques used in analytical chemistry such as UV-Visible Spectroscopy, Infrared Spectroscopy, Nuclear Magnetic Resonance Spectroscopy, Raman Spectroscopy, and Mass Spectrometry.
Instrumentation: This topic covers the components and operation of spectroscopic instruments, including light sources, monochromators, detectors, and data analysis software.
Spectral Interpretation: This topic covers the analysis and interpretation of spectral data, including identifying functional groups, compounds, and chemical processes.
Quantitative Analysis: This topic covers the use of spectroscopic techniques for quantitative analysis, including calibration, standard addition, and the Beer-Lambert law.
Applications: This topic covers the application of spectroscopy in various fields such as analytical chemistry, biological chemistry, and environmental analysis.
Signal-to-Noise Ratio: This topic covers the mathematical relationship between signal and noise in spectroscopic measurements.
Sample Preparation: This topic covers the techniques used to prepare samples for spectroscopic analysis such as extraction, filtration, and dilution.
Calibration and Validation: This topic covers the procedures for calibrating and validating spectroscopic instruments to ensure accuracy and precision in measurements.
Atomic Absorption Spectroscopy (AAS): Measures the amount of light absorbed by a sample at specific wavelengths, used for the detection of metals.
Ultraviolet-visible Spectroscopy (UV-Vis): Measures the absorption of light in the ultraviolet and visible regions, used for the detection of aromatic compounds and conjugated systems.
Infrared Spectroscopy (IR): Measures the vibrations of chemical bonds in the sample, used for the detection of functional groups and molecular identification.
Raman Spectroscopy: Measures the scattering of light by the sample, used for the detection of vibrational modes and molecular identification.
Nuclear Magnetic Resonance Spectroscopy (NMR): Measures the absorption of radio waves by the sample's nuclei, used for the detection of the structure of organic compounds and functional groups.
X-ray Fluorescence Spectroscopy (XRF): Measures the fluorescent radiation of the sample after being excited by X-rays, used for the detection of metals and inorganic compounds.
Electrochemical Spectroscopy: Measures the electrical response of the sample, used for the detection of redox reactions and electroactive species.
Mass Spectrometry (MS): Measures the mass-to-charge ratios of ions produced from the sample, used for the detection of molecular weight and identification of unknown compounds.
Circular Dichroism Spectroscopy (CD): Measures the difference in light absorption between left and right circularly polarized light, used for the detection of chiral molecules and protein structure determination.
Photoemission Spectroscopy (PES): Measures the kinetic energy of electrons emitted from the sample after being excited by photons, used for the detection of electronic structure and band gap energies in solids.
"Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation."
"Spectroscopy allows the composition, physical structure, and electronic structure of matter to be investigated at the atomic, molecular, and macro scale."
"Spectroscopy is a fundamental exploratory tool in the fields of astronomy, chemistry, materials science, and physics."
"Spectroscopy in the electromagnetic spectrum enables the investigation of the composition, physical structure, and electronic structure of matter over astronomical distances."
"Historically, spectroscopy originated as the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism."
"Current applications of spectroscopy include biomedical spectroscopy in the areas of tissue analysis and medical imaging."
"Matter waves and acoustic waves can also be considered forms of radiative energy."
"Recently, gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO)."
"Spectroscopy measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter."
"Spectroscopy allows the investigation of the composition, physical structure, and electronic structure of matter."
"Spectroscopy can investigate matter at the atomic, molecular, and macro scale."
"Biomedical spectroscopy is used for tissue analysis and medical imaging."
"Spectroscopy is a fundamental exploratory tool in materials science."
"Spectroscopy measures and interprets the electromagnetic spectra."
"Spectroscopy is a fundamental exploratory tool in the field of physics."
"Recently, gravitational waves have been associated with a spectral signature."
"Spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum."
"Spectroscopy is a fundamental exploratory tool in the field of astronomy."
"Spectroscopy investigates matter at the atomic, molecular, and macro scale."
"Spectroscopy enables the investigation of the composition, physical structure, and electronic structure of matter."