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2016-03-07 21:20:32
2016-03-07 21:20:32

Fluorescence is light energy produced by a process where high-energy radiation (such as ultraviolet or X-ray) is absorbed by electrons surrounding an atom and is re-emitted as light energy.

Phosphoresence is light energy produced by a particular type of chemical reaction where the excess chemical energy of the reactants is given off as light energy.

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Related Questions


David Rendell has written: 'Fluorescence and phosphorescence spectroscopy' -- subject(s): Analytic Chemistry, Chemistry, Analytic, Fluorescence spectroscopy, Phosphorescence spectroscopy


Stephen G. Schulman has written: 'Fluorescence and phosphorescence spectroscopy' -- subject(s): Fluorescence spectroscopy, Phosphorescence spectroscopy 'Molecular Luminescence Spectroscopy'


The main difference between the two is the lasting power of the glowing. Phosphorescent materials glow for a longer period of time, and what's usually considered 'glow in the dark'. Fluorescent glows under blacklight, but this light does not remain at all afterwards.


It depends on what "stuff" you mean. Phosphorescence, fluorescence, luminescence, and incandescence are all possibilities.


Fritz Bandow has written: 'Lumineszenz' -- subject(s): Fluorescence, Phosphorescence, Radiation


Ralph S. Becker has written: 'Theory and interpretation of fluorescence and phosphorescence'


Jack De Ment has written: 'Fluorochemistry' -- subject(s): Fluorescence, Luminescence, Phosphorescence 'Fluorescent chemicals and their applications' -- subject(s): Fluorescence


The word phosphorescence is a material similar to fluorescence but it does not give out light quickly. It does this because it slowly absorbs radiation.


The difference between a spectrophotometer and a fluorometer is what they both measure. A spectrophotometer measures absorbance and a fluorometer measures fluorescence.


Felix Fritz has written: 'Leuchtfarben, geschichte, herstellung, eigenschaften und anwendung' -- subject(s): Fluorescence, Phosphorescence, Technical Chemistry



There are actually quite a few properties to classify rocks and minerals. Some of these are chemical composition, radioactivity, phosphorescence, grain size, hardness, color, streak and fluorescence.


Sergei Vasil'evich Konev has written: 'Fluorescence and phosphorescence of proteins and nucleic acids' -- subject(s): Nucleic acids, Bioluminescence, Proteins


one Major difference is confocal microscopy has confocality which means it reduces the background signal which is not presented in conventional fluorescence microscope usually termed as epifluorescence microscope


Atoms, molecules, or solids that are excited to high energy levels can decay to lower levels by emitting radiation (emission or luminescence). For atoms excited by a high-temperature energy source this light emission is commonly called atomic or optical emission (see atomic-emission spectroscopy) and for atoms excited with light it is called atomic fluorescence (see atomic-fluorescence spectroscopy). For molecules it is called fluorescence if the transition is between states of the same spin and phosphorescence if the transition occurs between states of different spin. Separate documents describe molecular fluorescence, which can be done with compact instruments, and laser-induced fluorescence. The emission intensity of an emitting substance is linearly proportional to analyte concentration at low concentrations. Atomic emission and molecular fluorescence are therefore useful for quantitating emitting species.


basic concept of phosphorescence


A spectrometer shoots light through a sample and detects absorbance while a fluorimeter detects the intensity of fluorescence of a given sample.


Lots of ways: melting point, density, x-ray fluorescence, conductance... You can probably even do it by taste! (Seriously!)


Raman scattering involves the SCATTERING of electromagnetic radiation by molecules, not atoms Fluorescence emission follows an absorption process


a type of light emission that is the same as fluorescence except for a delay between excitation and de-excitation, which provides an afterglow. The delay is caused by atoms being excited to energy levels that do not decay rapidly. The afterglow may last from fractions of a second to hours, or even days, depending on the type of material, temperature, and other factors.


The ability of a mineral or substance to glow during and after exposure to ultraviolet light is called fluorescence. If it continues to glow after the ultraviolet light has been turned off the effect is called phosphorescence.


phenolphthalein will have a greater quantum yield because dissolved oxygen can reduce the fluorescence intensity


Fluorescence is glowing, or giving off light.


Fluorescence is a property not a mineral.


such objects are identified with the suffix -escence where the root word is the element that is responsible for the light. When you have Florine as the source of the light you have fluorescence. When you have phosphorus as the source of the light you have phosphorescence. and so on. theoretically every element could contribute to this.



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