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what is flame photo meter

what is flame photo meter
 

Grade:12th pass

2 Answers

Avinash
askIITians Faculty 1246 Points
6 years ago

A photoelectricflame photometeris a device used in inorganic chemical analysis to determine the concentration of certain metal ions, among them sodium, potassium, lithium, and calcium. Group 1 and Group 2 metals are quite sensitive toFlame Photometrydue to their low excitation energies.
deapan
131 Points
6 years ago

photoelectric flame photometer is a device used in inorganic chemical analysisto determine the concentration of certain metal ions, among them sodium,potassiumlithium, and calcium. Group 1 and Group 2 metals are quite sensitive to Flame Photometry due to their low excitation energies.

In principle, it is a controlled flame test with the intensity of the flame colour quantified by photoelectric circuitry. The intensity of the colour will depend on the energy that had been absorbed by the atoms that was sufficient to vaporise them. The sample is introduced to the flame at a constant rate. Filters select which colours the photometer detects and exclude the influence of other ions. Before use, the device requires calibration with a series of standard solutions of the ion to be tested.

 

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