Volume 10, Issue 1

 

ارسال های اخیر

  • Extraction of Carthamin from Carthamus Tinctorus and Investigating Its Dyeing of Wool Using Potassium DI-Chromate Mordant 

    Saadatjou, N. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    Carthamin, the natural dye of carthamus tinctorius (Golrang) was separated by soxhlet extraction and further purified in good yields. Its mordant dyeing of wool, using potassium dichromate as mordant, showed a high ...

  • The Unexpected Effect of Sodium Arsenate on the Interaction between Histone H1 and Sodium N-Dodecyl Sulphate 

    Moosavi Movahedi, A.A.؛ Housaindokht, M.R. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    A Study was made on the interaction between histon H1 and sodium n-dodecyl sulphate (SDS) in the presence of sodium arsenate inside a phosphate buffer of pH 6.4, using spectroscopy and equilibrium dialysis ...

  • Synthesis and Trapping of 3,4,3',4'-Tetradehydrobiphenyl (Bisbenzyne) 

    Williamson, J.R.؛ Mallakpour, Shadpour (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    3,3'-Dicarboxy-4,4'-diaminobiphenyl was synthesized from Onitrobenzoic acid following standard procedures. Diazotization of this compound with isoamylnitrite, under approtic condition gave diphenyl-4,4'-bis-diazonium ...

  • Second Virial Coefficients for Nonspherical Molecules and Their Experimental Measurements 

    Boushehri, A.؛ Moosavipour, S.H. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    The virial coefficients can be obtained from statistical mechanics in connection with the intermolecular potentials. The intermolecular potential of polyatomic molecules is usually assumed to consist of a spherically ...

  • Acid Catalysed Condesation of Phloroglucinol and Acetone-Kinetics and Mechanism 

    Malhotra, H.C.؛ Aminifar, A. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    The kinetic study of the condensation reaction between phloroglucinol and acetone was investigated at 30, 35, 40 and 45±0.05 °C in 100% methanol. The hydrochloric acid concentrations used were 0.0261, ...

  • NMR Study of Benzo-15-Crown-5 Complexes with 7Li+ and 133Cs+ Ions in Nonaqueous solvents 

    Shamsipur, Mojtaba؛ Amini, M.K. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    Complexes of benzo-15-crown-5 macrocycle with Li+ and Cs+ ions were investigated by 7Li and 133Cs NMr in a number of nonoqueous solutions. The resulting 1:1 complex with ...

  • Thermal Diffusion Factor in Gas Mixture-Dufour Effect (I) 

    Boushehri, A.؛ Maghari, Ali (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    The thermal diffusion factor, aT, for a binary gas mixture is calculated on the basis of nonequilibrium thermodynamics. A new formula for aT ...

  • Fischer-Tropsch Synthesis of Hydrocarbons Using Iron-Mordenite Catalysts 

    Akbarnejad, M.M؛ Oskooie, M.؛ Gharanfoli, M. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    Fischer-tropsch catalysts with high activity and selectivity for olefins were produced using mordenite type SiO2/Al2O3= 12, 20, 28, 62 zeolite supported iron carbonyl compounds and were ...

  • A Study of Na/K Feldspar Solid Solution Using Statistical Mechanics 

    Parsafar, Gholam Abbas؛ Ghayeb, Y. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    Thermal behavior of various solid feldspars are different, namely those of bivalent cations show no change in the distribution of Al and Si atoms, whereas feldspars of univalent cations become more disordered with ...

  • In Plane Vibration of Pyrimidine and some Deuterated Pyrimidines 

    Milani Nejad,, F. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    On the basis of 102 assigned frequencies to in plane vibrations of pyrimidine, pyrimidine-2-d2, pyrimidine-2, 5-d2, pyrimidine-4,6-d2, pyrimidine-2,4,6-d3 and pyrimidine-d

  • Chemiluminescence Properties of Peroxyoxalate System in Organic Solvents 

    Hadjmohammadi, M.R.؛ Samadi Meibodi, A. (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 1991-06-01)
    Peroxyoxalate system includes an oxalate ester, peroxide and a fluorescer, The energy resulted from the reaction of oxalate ester and peroxide is transferred to fluorescer and cause it to fluorsc. The effect of reactants ...