@article{paperid:1040010, author = {CHamsaz, Mahmod and Eftekhari, Mohammad and Eftekhari, Ali and Yekkebashi, Ali}, title = {2--2Nitroso-1-naphthol as a selective reagent for preconcentration of cobalt by vortex assisted combined with solidification of organic droplet and its determination by flame atomic absorption spectrometry}, journal = {Environmental Monitoring and Assessment}, year = {2013}, volume = {185}, number = {11}, month = {June}, issn = {0167-6369}, pages = {9067--9075}, numpages = {8}, keywords = {Cobalt ion.Solidification of organic. drop.Vortex-assisted liquid–liquidmicroextraction. Flame atomic absorption spectrometry}, }