221 Александр Алексеевич Сысоев. К восьмидесятилетию со дня рождения 



223 Косевич Марина Вадимовна. К шестидесятилетию со дня рождения



226 Study of aquatic chlorination of UV-filter avobenzone in the presence
of inorganic salts by gas chromatography combined
with high resolution mass spectrometry

E.A. Detenchuk, J. Chen, O.V. Polyakova, P. Trebse, S.A. Pokryshkin, A.T. Lebedev



233 On the correct averaging of the equations of ion motion
in high-frequency electric fields

A.S. Berdnikov, A.N. Verenchikov, A.G. Kuzmin



246 Studying of handwritten strokes aging kinetics by
high-performance liquid chromatography/mass spectrometry

D.I. Baygildieva, A.S. Krylova, T.M. Baygildiev,
О.A. Shpigun, I.A. Rodin



254 Controlling the resolution of static mass spectrometers
using intermediate slit diaphragms

A.S. Antonov, A.S. Berdnikov, L.N. Gall, V.D. Sachenko



262 Isomeric effects in collisionally-induced dissociation mass spectra
of β-(1→6)-linked cyclic tetrasaccharides of the Glcp2GlcpN2 composition

A.O. Chizhov, M. L. Gening, O.A. Pinsker, 
Yu.E. Tsvetkov, N.E. Nifantiev



267 Chromatomass-spectrometric determination
of new antiulcer drug in rats blood plasma

K.A. Leonov, D.A. Vishenkova, V.V. Bykov, A.A. Bakibaev



274 Time-of-flight mass spectrometer EMG-40-3 – a new high
sensitivity instrument for on-line analysis of light gases, including tritium

I.I. Pilyugin, V.T. Zhdan, A.V. Kozlovskii