Colorimetric determination of total phenolic contents in ionic liquid extracts by paper microzones and digital cameraAid, Tiina; Kaljurand, Mihkel; Vaher, MerikeAnalytical methods2015 / p. 3193-3199 : ill https://doi.org/10.1039/c5ay00194c Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS