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What is chemical quenching?

Updated: 8/10/2023
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13y ago

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Color quenching is the attenuation of photons produced by a scintilator due to absorption and scattering.

This effect, combined with the chemical quenching (attenuation of the transfer of energy from the solvent to the scintillator gives the total quenching effect of the scintillator/solvent mix.

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15y ago
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13y ago

quenching is the decrease in flourescence intensity due to specific effects of constituents of the solution itselfe...

chemical quenching is the type of quenching due to various factors like change in pH,presence of oxygen, halides or heavy metals...

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11y ago

I assume you are referring to Geiger Muller tubes.

In a basic Geiger Muller tube once ionization occurs the tube goes into avalanche conduction. To stop this conduction early Geiger Muller counters used a quench circuit that removed power from the tube long enough for the avalanche to quench, so another ionization event could be detected.

In a self quenching Geiger Muller tube a tiny amount of a quench gas is added to the tube's gas mixture. This quench gas quenches the avalanche conduction without needing to have the counter remove power from the tube. There are two types of quench gas: organic gases (e.g. alcohol, xylene) and halogen gases. Organic quench gases have the drawback that a tiny bit of them is consumed in each ionization event, giving the tube a limited life. Halogen quench gases are not consumed in use, so the tube life is not limited by them.

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Related questions

What is 'Quenching?

Color quenching is the attenuation of photons produced by a scintilator due to absorption and scattering. This effect, combined with the chemical quenching (attenuation of the transfer of energy from the solvent to the scintillator gives the total quenching effect of the scintillator/solvent mix.


How do you spell quenching?

That is the correct spelling of "quenching" (eliminating, extinguishing).


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What is quenching in G M counter?

stopping the ionization cascade modern geiger-muller tubes use a halogen gas for quenching


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to know what will be the crystal structure and physiacal and chemical properties of iron at known carbon percentage and temperature. provided that slow and uniform cooling rate is there and no quenching.


What are Q words that describe summer?

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You cannot have a general answer for this. The comparison in strength depends on the chemical composition or grade of each, as well as the heat treatment and quenching method each received.


Why isothermal titration calorimetry is is done with fluorescence quenching to study protein- small molecular inhibitor interaction?

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What is flashing and quenching potential for neon lamp?

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