Education of the republic of uzbekistan tashkent state technical university named after islam karimov

CONTENTS 
 
 
 
 
CHEMISTRY AND CHEMICAL TECHNOLOGY 
 
K.А. Makhmudov, M.I. Berdieva, A.A.Yuldashev, Т.Т. Tursunov, R.А. Nazirova, 
S.M.Turabdjanov, B. Kedelbaev.
 
Research of properties of polycondensation type phosphoric 
acid cationic exchange resins...........................................................................................................4 
M.A. Tursunov, А.B. Zon, D.A. Tashmuxamedova, А.Х. Xaydarov, S.S. Pak, Z.А. Аlimova. 
Features of atom spectra Ca, Ba, Sr...............................................................................................11 
D.Sh. Turaeva, S.M. Turabdzhanov, A.Sh. Giyasov, U.B. Mirzarakhmatov, A.A. 
Shokhakimova, L.S. Rakhimova, B. Sh. Kedelbaev. 
Extraction of Cobalt (II) in the presence 
of rodanide ions and dimethylformamide and its complexation with 1- (2-pyridylazo) -2-
naphthol in organic phase..............................................................................................................17 
M. Ernazarov, M.Sh. Kurbanov, S.A. Tulaganov, Zh.A. Panzhiev , L.S. Andriyko.
Effective method of desiliconization of copper slags of almalyk mmc and synthesis of 
amorphous nanopowders SIO2......................................................................................................25 
I.R. Askarov, D.S. Khojimatova. 
Liquid nitrogen fertilizers and their classification................31 
 
А.А.Sadriddinov, Z.K.Galimova, I.I.Ismoilov, X.А.Babaxanova,
 
М.G.Mixaleva.
 
Paper 
porosity studies using the sorption method....................................................................................38 
N.U. Pulatova, O.S. Maksumova, Izabela Barszczewska-Rybarek. 
Synthesis and 
polymerization processes of 1-Chlorine-3- Piperidine -2-Propylmethacrylate monomer............44