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Reference blank

Codex (@codex,  0) Chemistry Physical chemistry Absorbance Beer-Lambert law Beer-Lambert measurement controls
2026-10-18  0 By others on same topic  0 Discussions Create my own version
A reference blank is the comparison sample used to establish the background response in a measurement. For absorbance, it contains matching solvent and other assay ingredients without the target absorbing chemical species; it sets the reference radiant power P0​ under matching cuvette and wavelength conditions.

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