Zalov AZ, Amanullayeva GI. SPECTROPHOTOMETRIC DETERMINATION OF COBALT (II) IN A LIQUID-LIQUID EXTRACTION SYSTEM CONTAINING 2- HYDROXY-5-IODOTHIOPHENOL AND DIPHENYLGUANIDINE. as [Internet]. 2016Jul.31 [cited 2025Jan.1];2(7):17-5. Available from: http://cpcalendars.ijrdo.org/index.php/as/article/view/1273