3-(2-PYRIDIL)-5-(2-HYDROXYPHENYL)-1,2,4-TRIAZOL AS A REAGENT FOR FLUORIMETRIC DETERMINATION OF MICRO-AMOUNTS OF ZINC: DOI: https://doi.org/10.17721/1728-2209.2019.1(56).1. (2019). Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 56(1), 6-9. https://chemistry.bulletin.knu.ua/article/view/8648