Semi-Quantitative Analysis of Gentian Violet by Surface-Enhanced Raman Spectroscopy Using Silver Colloids Liu, Fangfang ; Gu, Huaimin ; Yuan, Xiaojuan ; Dong, Xiao Abstract Publication: Applied Spectroscopy Pub Date: November 2010 DOI: 10.1366/000370210793334990 Bibcode: 2010ApSpe..64.1301L