@misc{indiciaeb6d06d875327, title = {Post-column reaction for simultaneous analysis of chromatic and leuco forms of malachite green and crystal violet by high-performance liquid chromatography with photometric detection}, author = {J. L. Allen and J.R. Meinertz}, year = {1991}, doi = {10.1016/s0021-9673(01)89252-9}, url = {https://pubs.usgs.gov/publication/70006671}, note = {Source identifier: 70006671} }