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Molecular spectroscopy can be used to measure materials and environments in many techniques, such as measurement of absorbance,fluorescence,fluorescence,Raman,Reflectance and Transmittance etc. Optosky molecular spectrometers assist you to apply these techniques to your projects.
Techniques Categories:
Absorbance
Absorbance measurement is an old technique that is the most widely used spectroscopy for studying liquids and gases, because of its simplicity, nondestructive, accuracy. Absorbance measurement can identify material fingerprint or the concentration of a molecule in solution.
Fluorescence
Molecules have various energy levels. Fluorescence spectroscopy relates to electronic state and vibrational states. It has a ground & excited electronic state, the ground electronic state has a lower energy level, excited electronic state has a higher energy level, various vibrational lies between higher and lower energy.
Raman
Raman effect is first discovered by C.V. Raman and K.S Krishan in 1928. When a sample exposes monochromatic light, the sample absorbs the light, visual portion of light gets transmitted to the sample. However, a minor part of the light is scattered by the sample in all direction.
Reflectance and Transmittance
The human eyes can see colors or textures, identify shapes and patterns, and sense object distance through reflected light. A spectrometer can reflect light from a surface as a function of wavelength. Like the eyes, spectral reflectance can collect much of the same information, but it does much more quantitatively and objectively. Reflectance measurements can detect the color and the texture from a surface, check differences between objects or texture for sorting or quality control.
