Posted on 23 June 20176 July 2017 by felpin80 – Chemically-Modified Cellulose Paper as Smart Sensor Device for Colorimetric and Optical Detection of Hydrogen Sulfate in Water Rull-Barrull, J.; d’Halluin, M.; Le Grognec, E.; Felpin, F.-X. Chem. Commun. 2016, 52, 2525-2528. DOI