By Viktor G. Berezkin
The so much common and potent strategy for the research of complicated multicomponent combinations of risky components is gasoline chromatography. even if, there are various boundaries asso ciated with the classical edition of this system which retard its improvement and the additional growth of its software: 1) the identity of the elements of a posh combine ture of unknown composition is in itself a posh and tough challenge, except the homologous sequence of the section of be pointed out is understood; 2) the overlapping of chromatographic peaks for a number of compounds makes it tricky, and in a couple of instances very unlikely, to hold out qualitative and quantitative research of those elements, and ends up in the need of utilizing numerous columns of alternative polarities or to using columns with very excessive potency; three) the direct research of volatile and nonvolatile compounds is most unlikely; four) the trouble of quantitative chromatographic research utilizing thermal conductivity detectors raises with the need of making a choice on person reaction (calibration) elements; the insensitivity of the flame ionization detector to a couple of elements (inorganic gases) ends up in the need of introducing extra operations (prelimi nary focus of hint elements) in reference to thermal conductivity detectors. vii viii FOREWORD The directed use of chemical conversion of the compounds analyzed frequently makes it attainable to take away the constraints mentioned above.
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Geiderikh, Plast. Massy, No. 11:53 (1965). 44 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. PROBLEMS IN THEORY E. Gil-Av and Y. Herzberg-Minzly, J. , 13:1 (1964). S. Z. Roginskii, M. 1. Yanovskii, and G. A. Gaziev, Dokl. Akad. Nauk SSSR, 140:1125 (1961). S. Z. , M. 1. Yanovskii, and G. A. Gaziev, (Russian patent) Avt. Svid. SSSR 149398 (1961); Byull. , No. 16 (1962). G. A. Gaziev, Doctoral Dissertation, Moscow Inst. Khim. , Akad. Nauk SSSR, 1965. G. A. Gaziev, O. V. Krylov, S. Z. Roginskii, G. V. Samsonov, E.
The simple systems given in Table 1 differ only in the relative position of the reactor. It should be mentioned that the use of other, more complex systems employing several reactors and columns connected either in parallel or in series is also described in the literature. These more-complex systems are considered as combinations of the simple systems. Thus, for example, for the continuous elemental analysis of organic compounds for the carbon and hydrogen content  a system was suggested in which the individual fractions, after separation in the column, entered a reactor filled with copper oxide and iron oxide.
Gil-Av and Y. Herzberg-Minzly, J. , 13:1 (1964). S. Z. Roginskii, M. 1. Yanovskii, and G. A. Gaziev, Dokl. Akad. Nauk SSSR, 140:1125 (1961). S. Z. , M. 1. Yanovskii, and G. A. Gaziev, (Russian patent) Avt. Svid. SSSR 149398 (1961); Byull. , No. 16 (1962). G. A. Gaziev, Doctoral Dissertation, Moscow Inst. Khim. , Akad. Nauk SSSR, 1965. G. A. Gaziev, O. V. Krylov, S. Z. Roginskii, G. V. Samsonov, E. A. Fokina, and M. 1. Yanovskii, Dokl. Akad. Nauk SSSR, 140:863 (1961). S. Z. Roginskii, M. 1. Yanovskii, and G.