science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2023

Substance: vanillin		 			Other Names: 4-hydroxy-3-methoxybenzaldehyde 

Formula: C8H8O3						CAS-No.: 121-33-5	PubChem: CID 1183

Study: UV absorption spectrum


Authors: D.T. Englis, L.A. Wollermann

Title: Significance of pH in Determination of Vanillin by Ultraviolet Absorption

Journal/Source: Anal. Chem., 29, 8, 1151-1153, (1957); https://doi.org/10.1021/ac60128a010


Data: table, diagram

Energy/Wavelength range: 200 - 400 nm

Resolution: 

Pathlength:

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 10 mg / liter

Phase: solution (KH2PO4; NaOH)

pH: 3 - 11


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