https://reference.wolfram.com/system-modeler/libraries/Modelica/Modelica.Units.SI.PathLength.html
Modelica: Units.SI.PathLength - System Modeler Documentation
system modelermodelicaunitssidocumentation
https://pure.lib.usf.edu/en/publications/use-of-liquid-core-waveguides-for-long-pathlength-absorbance-spec-2/
Use of Liquid Core Waveguides for Long Pathlength Absorbance Spectroscopy: Principles and Practice...
https://www.nist.gov/publications/development-nist-standard-reference-material-2082-pathlength-standard-measurements
Development of NIST Standard Reference Material 2082, a Pathlength Standard for Measurements in the...
May 7, 2026 - New spectrophotometers and cuvettes have been designed to allow the measurement of absorbance values from samples using microliter volume sizes.