545-546
From the Editor-in-Chief
Lidars and other devices for remote analysis
Yu. A. Zolotov
547-552
Reviews
Circulation chromatography
B. A. Rudenko
553-558
Articles
Determination of binary mixture components by the Firordt method with errors below the specified limit
I. V. Vlasova and V. I. Vershinin
559-565
Articles
Monochromatic model of X-ray fluorescence excitation by polychromatic radiation: New algorithms and analytical applications
K. V. Oskolok and O. V. Monogarova
566-570
Articles
Inorganic reagents for testing the properties of copper nanopowders
T. A. Fedushchak, T. V. Petrenko, A. V. Vosmerikov and L. M. Velichkina
571-573
Articles
Preconcentration of tocoferol acetate on a nickel acetyl acetonate surface layer
M. A. Gavrilenko
574-579
Articles
Adsorption-photomertic and test determination of cadmium(II) with hetarylformazans
T. V. Skorykh, I. G. Pervova, T. I. Maslakova, T. A. Mel’nik and I. N. Lipunov
580-584
Articles
Photometric cyclic-injection determination of phosphate and silicate ions simultaneously present in aqueous solutions
A. V. Bulatov, A. A. Tsapko and L. N. Moskvin
585-592
Articles
Simultaneous quantitative estimation of oxybenzone and 2-ethylhexyl-4-methoxycinnamate in sunscreen formulations by second order derivative spectrophotometry
H. M. Chawla and Sarika Mrig
593-601
Articles
Determination of platinum-group metals and gold in the group extract by inductively coupled plasma atomic emission spectrometry after the autoclave decomposition of geological samples
G. L. Bukhbinder, T. M. Korda, M. G. Demidova, E. A. Gus’kova and V. G. Torgov
602-608
Articles
Determination of uranium and thorium in natural waters by ICP-OES after on-line solid phase extraction and preconcentration in the presence of 2,3-dihydro-9,10-dihydroxy-1,4-antracenedion
G. Daneshvar, A. Jabbari, Y. Yamini and D. Paki
609-614
Articles
Atomic absorption spectrometric determination of Cd(II), Mn(II), Ni(II), Pb(II) and Zn(II) ions in water, fertilizer and tea samples after preconcentration on Amberlite XAD-1180 resin loaded with l-(2-pyridylazo)-2-naphthol
O. Hazer, Ş. Kartal and Ş. Tokalıoǧlu
615-617
Articles
Comparison of two procedures for determining oil products in soil by infrared spectrometry
I. V. Russkikh and L. P. Gossen
618-622
Articles
Chromatographic determination of morpholine and products of its microbiological degradation
N. F. Zelenkova, N. G. Vinokurova, B. P. Baskunov, I. T. Ermakova and A. A. Leont’evskii
623-631
Articles
Separation and determination of rofecoxib and its degradation products by TLC chromatography
M. Starek, J. Krzek and J. Dechnik
632-636
Articles
Determination of traces of copper by anodic stripping voltammetry at a rotating carbon paste disk electrode modified with poly(1,8-diaminonaphtalene)
Coulibaly Mariame, Mama El Rhazi and Imane Adraoui
637-641
Articles
Capillary electrophoresis on unmodified genetically coded amino acids
A. G. Mosina, I. O. Mel’nikov, I. V. Nazimov and Yu. M. Glubokov
642-647
Articles
Potentiometric determination of lysine in aqueous solutions using MF-4SK modified perfluorinated membranes
O. V. Bobreshova, M. V. Agupova and A. V. Parshina
648-651
Articles
Fractionation of chitosan by ultrafiltration
S. A. Lopatin, M. S. Derbeneva, S. N. Kulikov, V. P. Varlamov and O. A. Shpigun