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Flame Photometry: Overview

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...

Atomic Spectroscopy: Effects of Temperature

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Flame Photometry: Lab

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Related Experiment Video

Updated: Jun 9, 2026

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Published on: February 19, 2018

Spatially resolved multispecies and temperature analysis in hydrogen flames.

W Reckers, L Hüwel, G Grünefeld

|August 31, 2010

Summary

This study presents simultaneous measurements of temperature and species concentrations in hydrogen-air flames using Raman and Rayleigh scattering. These findings offer detailed insights into flame chemistry and thermal properties.

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Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames

Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames

Published on: June 1, 2016

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Last Updated: Jun 9, 2026

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Combustion Chemistry of Fuels: Quantitative Speciation Data Obtained from an Atmospheric High-temperature Flow Reactor with Coupled Molecular-beam Mass Spectrometer

Published on: February 19, 2018

Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames

Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames

Published on: June 1, 2016

Area of Science:

Combustion science
Laser diagnostics
Spectroscopy

Background:

Understanding flame behavior is crucial for developing efficient and safe combustion technologies.
Accurate measurements of temperature and species concentrations are essential for validating combustion models.
Previous methods often lacked the spatial resolution or simultaneous measurement capabilities required for detailed flame analysis.

Purpose of the Study:

To perform spatially resolved, simultaneous measurements of temperature and major species concentrations in a laminar hydrogen-air flame.
To demonstrate the capability of combined Raman and Rayleigh scattering for detailed flame diagnostics.
To provide a comprehensive dataset for the validation of computational fluid dynamics (CFD) and combustion models.

Main Methods:

Utilized a narrow-band KrF excimer laser for Raman and Rayleigh scattering.
Employed a spectrally and spatially resolving detector system with a high-throughput spectrometer and a gated, intensified CCD camera.
Integrated data over 100 laser shots for enhanced signal-to-noise ratio.

Main Results:

Obtained absolute density profiles for nitrogen (N2), oxygen (O2), water vapor (H2O), and hydrogen (H2).
Generated temperature profiles at various heights through the flame.
Achieved simultaneous, spatially resolved measurements of key flame parameters.

Conclusions:

The combined Raman and Rayleigh scattering technique is effective for detailed, simultaneous flame measurements.
The presented data provide valuable benchmarks for combustion model development and validation.
This diagnostic approach enhances the understanding of hydrogen-air flame structure and kinetics.