| Term | Absorbance, 254 nm |
|---|---|
| Definition | Absorbance is defined as the logarithm of the ratio of incident to transmitted radiant power through a sample. Absorbance 254 nm describes the absorbance at a wavelength of 254 nm. |
| Sampling medium | Surface water |
| Aggregation type | Constant over interval |
| Units | [-] AU |
| Provenance | Wikipedia |
| Provenance uri | https://en.wikipedia.org/wiki/Absorbance |
| Category | - |
| Note | The absorbance unit or AU is commonly used in ultraviolet–visible spectroscopy |
| Status | ACCEPTED i |