Refractive Index of KCl, Potassium Chloride
Potassium chloride (KCl) is a metal halide salt composed of potassium and chlorine.
For a typical sample of KCl the refractive index and extinction coefficient at 632.8 nm are 1.488 and 0.000. Below are files of complete refractive index and extinction coefficients. If the file is not available for download, you can request our proprietary file by clicking "Request".
- Tab-delimited data file for unrestricted use
Wavelength (nm)
Refractive Index Reference - Sopra Material Database
No guarantee of accuracy - use at your own risk.
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