percentage transmission

of sample
https://doi.org/10.1351/goldbook.08516
In atomic spectroscopy, flux of mass of sample divided by the flux of mass of solvent blank, measured under the same conditions, expressed as a percentage.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 727 [Terms] [Paper]