Search Results - "KORCHAGIN, V B"

Certification of welders for gas equipment by Orlov, A S, Markin, V V, Korchagin, B V, Chulets, L V, Ivanova, T A

“…To ensure high-quality welding operations, it is necessary to take a number of organisation technical measures, including the control of main (weldable) and…”
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Quantitative determination of 7-phenoxyacetamidodesacetoxycephalosporanic acid by Dzegilenko, N B, Riabova, N M, Zinchenko, E Ia, Korchagin, V B

“…7-Phenoxyacetamidodesacetoxycephalosporanic acid, an intermediate product in synthesis of cephalexin, was prepared by oxydation of phenoxymethylpenicillin into…”
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On the problem of determination of nystatin during the process of its fermentation by POPOVA, L A, KORCHAGIN, V B

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An iodometric method for the determination of 6-amino-penicillic acid by KORCHAGIN, V B, ERMAKOVA, N M, DRUZHININA, E N

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A colorimetric method for the determination of kanamycin by KORCHAGIN, V B, KOROBITSKAIA, A A, CHAIKOVSKAIA, S M

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A colorimetric method for the determination of erythromycin by KORCHAGIN, V B, SEMENOV, S M, SAVUSHKINA, L N

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Colorimetric method for the determination of oleandomycin by KORCHAGIN, V B, SURKOVA, K I, STEPUSHKINA, V V, VAKULENKO, N A

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Quantitative determination of neomycin in culture medium fluids by KORCHAGIN, V B, KOROBITSKAIA, A A, DRUZHININA, E N, SEMENOV, S M

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Determination in a culture medium of streptomycin obtained in an enriched medium by KARTSEVA, V D, CHEKULAEVA, Iu S, KORCHAGIN, V B, BRUNS, B P

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Determination of iodine-containing admixtures in semisynthetic penicillins by Satarova, D E, Korchagin, V B

“…Dependence of the values defining the content of iodine sorbing admixtures in semisynthetic penicillins on pH, reaction time and drug aliquots was studied. On…”
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Certification of welders for gas equipment by ORLOV, A. S, MARKIN, V. V, KORCHAGIN, B. V, CHULETS, L. V, IVANOVA, T. A

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A spectrophotometric method of analysis of fusidic acid by Satarova, D E, Korchagin, V B, Stepushkina, V V, Makarova, R A

“…A spectrophotometric method for assay of fusidic acid is described. The method is based on reaction with a reagent consisting of acetic anhydride and…”
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Chromatographic separation of rifamycins on a thin sorbent thin layer by Korchagin, V B, Vladimirskaia, R A, KORCHAGIN, V B

“…A method of simultaneous separation of rifampicins O, S and rifamicin derivates S, SV in a thin layer of silica gel KSK No. 2 impregnated with acetate buffer,…”
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Reversed-phase high-performance liquid chromatography of certain tetracyclines by Valika, V. V., Arzamastsev, A. P., Mikhalev, A. V., Korchagin, V. B.

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Quantitative determination of the phenolic ester of phenylmalonic acid by an IR spectroscopy method by Dzegilenko, N B, Korchagin, V B

“…A quantitative method was developed for determination of phenyl ether of phenylmalonic acid (I) in the presence of phenol. The method is based on measurement…”
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Spectrophotometric method of determining the oxacillin in oxacillin preparations by Korobkin, V N, Korchagin, V B

“…The early described procedure for quantitative determination of oxacillin with the spectrophotometric method was used for the assay oxacillin tablets, capsules…”
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Use of the penicillanic acid formation reaction for the analysis of penicillins. The quantitative determination of oxacillin by Korobkin, V N, Korchagin, V B

“…A procedure for quantitative determination of oxacillin by means of spectrophotometry is described. The procedure is based on the capacity of penicillins to…”
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Spectrophotometric determination of rifampicin S in the presence of rifampicin O by Dzegilenko, N B, Korchagin, V B

“…The limits of the use of the methods of direct photometric and differential spectrophotometric determination of rifamycin S containing rifamycin O as an…”
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Chromatographic separation of rifamycins on a thin sorbent thin layer by Korchagin, V B, Vladimirskaia, R A, KORCHAGIN, V B

“…A method of simultaneous separation of rifampicins O, S and rifamicin derivates S, SV in a thin layer of silica gel KSK No. 2 impregnated with acetate buffer,…”
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Method of thin-layer chromatography of sorbents in the chemistry of antibiotics. Chromatography of macrolide, aminoglycoside, 4 peptide, antimycotic and antineoplastic antibiotics, tetracyclines and chloramphenicol by Serova, L I, Korchagin, V B

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