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Related Concept Videos

Flame Photometry: Overview01:02

Flame Photometry: Overview

Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...
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Flame Photometry: Lab01:16

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In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...

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Related Experiment Video

Updated: Jun 12, 2026

Measurements of Local Instantaneous Convective Heat Transfer in a Pipe - Single and Two-phase Flow
08:25

Measurements of Local Instantaneous Convective Heat Transfer in a Pipe - Single and Two-phase Flow

Published on: April 30, 2018

Method for spectroradiometric temperature measurements in two phase flows. 2: Experimental verification.

P H Paul, S A Self

    Applied Optics
    |June 18, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel emission-absorption pyrometry method corrects for scattering particles in absorbing gases. Verification experiments confirm the technique's effectiveness for accurate temperature measurements.

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    Area of Science:

    • Thermodynamics
    • Spectroscopy
    • Combustion Science

    Background:

    • Accurate temperature measurement is crucial in high-temperature environments.
    • Scattering particles in absorbing gases complicate traditional pyrometric measurements.
    • Existing methods often fail to adequately address particle scattering effects.

    Purpose of the Study:

    • To introduce a new emission-absorption pyrometric method.
    • To account for the influence of scattering particles in absorbing gases.
    • To validate the developed technique through experimental verification.

    Main Methods:

    • Development of a novel emission-absorption pyrometric measurement technique.
    • Incorporation of scattering particle effects into the pyrometric model.
    • Design and execution of verification experiments.

    Main Results:

    • Successful development of a pyrometric method accounting for scattering.
    • Demonstration of improved accuracy in temperature measurements.
    • Experimental data validating the principles of the new technique.

    Conclusions:

    • The new emission-absorption pyrometry method effectively corrects for scattering particles.
    • This technique offers enhanced accuracy for temperature determination in complex gas environments.
    • Further applications in combustion analysis and industrial process monitoring are anticipated.