1. What is the Scheibe-Lomakin Equation?

Definition: The Scheibe-Lomakin equation relates the intensity of a spectral line to the concentration of the emitting element.

Purpose: It's used in spectroscopy to quantify the relationship between element concentration and spectral line intensity.

2. How Does the Equation Work?

The equation is expressed as:

Where:

• \( I \) — Intensity of spectral line (candela)
• \( k \) — Proportionality constant (depends on medium and wavelength)
• \( G \) — Concentration of element (mol/m³)
• \( m \) — Proportionality deviation (accounts for self-absorption)

Explanation: The intensity grows with concentration but the exact relationship is modified by the deviation factor.

3. Importance of the Scheibe-Lomakin Equation

Details: This equation is crucial for quantitative spectral analysis in chemistry, physics, and materials science.

4. Using the Calculator

Tips: Enter the proportionality constant (k), element concentration (G), and proportionality deviation (m). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is typical value for proportionality constant (k)?
A: The value varies significantly depending on the element and experimental conditions.

Q2: How is the proportionality deviation (m) determined?
A: It's typically determined empirically and accounts for deviations caused by self-absorption.

Q3: What units should be used for concentration?
A: The calculator uses mol/m³, but you can convert from other units before input.

Q4: Can this be used for any spectral line?
A: The equation applies to atomic emission spectra but parameters vary by element and transition.

Q5: How accurate is this equation?
A: It provides a good approximation but actual measurements may require calibration.