Spectroscopy Guides
Free educational resources for analytical chemists, materials scientists, and chemistry students. Each guide connects directly to SpectralBench tools for hands-on practice.
FTIR Spectroscopy
How to Read an FTIR Spectrum
A step-by-step guide to interpreting FTIR spectra. Learn to identify functional groups, understand spectral regions, and analyze absorption bands.
Read guide →FTIR Functional Group Frequency Table
Comprehensive reference table with 80+ functional group entries. Wavenumber ranges, intensities, and band shapes for IR spectrum interpretation.
Read guide →Calculators & Conversions
Beer-Lambert Law Explained
Understand the Beer-Lambert law (A = εlc). Derivation, assumptions, limitations, and real-world applications in spectroscopy. Free calculator included.
Read guide →Wavenumber vs Wavelength
What's the difference between wavenumber (cm⁻¹) and wavelength (nm)? Why spectroscopists prefer wavenumber, conversion formulas, and a quick-reference table.
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