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Comparison of the LOD for aqueous solutions of sodium acetate for two different absorbance bands using ATR waveguide disks made from GaAs, Si, and diamond
| LOD (g L−1; × 1000 ppm) | ||
|---|---|---|
| 1600–1460 cm−1 | 1458–1366 cm−1 | |
| Diamond | 3.4 | 2.8 |
| Silicon | 2.2 | 1.8 |
| GaAs | 2.1 | 0.8 |
