S S Dharmatti
Articles written in Proceedings – Section A
Volume 12 Issue 2 August 1940 pp 185-198
Volume 12 Issue 2 August 1940 pp 212-222
Volume 13 Issue 5 May 1941 pp 359-370
Table VIII gives at a glance the experimental and the calculated values for the constitution of the sulphur compounds found according to the plan employed in this investigation. Wide differences between the calculated and the observed values are observed only in the case of compounds (
In the case of sulphur compounds also as in the case of Se and Te compounds, the magnetic method seems to be of great value in fixing the correct molecular constitution and the magnetic susceptibilities calculated by Slater’s and Angus’s method seem to be in better agreement with the experimental ones.
Further work on compounds of this group is in progress.
Volume 16 Issue 5 November 1942 pp 307-318
The susceptibilities of a number of barium salts of inorganic and organic acids have been determined by Guoy’s Balance and using all possible available values for the anions, the ionic susceptibility of barium has been calculated. In the case of salts of inorganic acids the mean ionic susceptibility of barium agrees well with the values theoretically calculated by Slater’s and Angus’s methods. The mean value deduced from the salts of organic acids is found to be higher than the calculated value and that found from inorganic salts. The probable reasons have been discussed in detail. It has been suggested that the values of several anions need revision. The ionic radius of barium has also been calculated and has been compared with the value observed by Wassastjerna.
Volume 20 Issue 5 May 1945 pp 224-244
Volume 24 Issue 3 September 1946 pp 287-294
The gel-strength of gels of sodium stearate in pinene has been measured by the plunger method under several conditions. The values of elasticity have been calculated from the load-deflection curves, and it is found that log E varies linearly as log C, the slope of this straight line being very nearly equal to 2. The existence of a skin or membrane on the surface of the gel which vitiates the values of gel-strength has been critically examined, and its approximate magnitude has been determined.
Volume 26 Issue 5 November 1947 pp 312-327
Volume 26 Issue 5 November 1947 pp 328-338
Volume 31 Issue 5 May 1950 pp 289-299
Volume 31 Issue 6 June 1950 pp 389-399
Volume 32 Issue 5 November 1950 pp 313-318
The susceptibility of CH2 group has been determined from the molecular susceptibilities of a homologous series of aliphatic acids and their alkali and alkaline earth salts. It has been found that the value of χCH, is constant for a given homologous series but may be different for different series.
Volume 54 Issue 6 December 1961 pp 331-340
This paper presents the analysis of the proton magnetic resonance spectra of 2:4 dinitro phenol, 1-chloro 2:4 dinitro benzene, 1-nitro, 2-methyl, 3-chloro benzene (2-chloro, 6-nitro toluene) and 5-sulpho, 3-nitro benzoic acid based on the exact solution obtained by Jha for the splitting of NMR lines of a three nuclei system of the ABC type.
Volume 56 Issue 2 August 1962 pp 71-85
The high resolution proton magnetic resonance spectra of AB, ABC and ABCD systems in fourteen coumarins have been studied. Chemical shifts and spin coupling constants for the protons in various positions in the benzo-
The results do not substantiate resonance of the naphthalene type in coumarin as suggested to explain its dipole moment.
Volume 56 Issue 2 August 1962 pp 86-95
The analysis of the NMR spectra of five nuclei each with spin 1/2 has been undertaken. For such systems the nuclei may be arranged in groups of different symmetry. The proton magnetic resonance spectrum of nitrobenzene is an example of A2B2C type. From the analysis of this spectrum the values of various coupling constants and chemical shifts have been determined.
Volume 56 Issue 6 December 1962 pp 312-315
Volume 63 Issue 1 January 1966 pp 9-19
The NMR spectra of