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    STUDIA PHYSICA - Issue no. 1 / 2001  
         
  Article:   MASS SPECTRAL ANALYSIS OF SOME P-ARYL SUBSTITUTED THIPHOSPHORORGANIC COMPOUNDS.

Authors:  SIMONA NICOARĂ, MONICA CULEA, Z. MOLDOVAN, I. FENESAN, O. COZAR. 		 
       
         
  Abstract:  This paper presents a comparative analysis between the mass spectra of two series of compounds: Series I, the S-methyl derivatives of the compounds of Series II: the p-methyl-(4), p-fluorine-(5) and p-bromide-(6) arylsulfonamides of the dimethylamidocyclohexyl-thiophosphonic acid. The normal mass spectra recorded on a MAT-311 mass spectrometer, the HR mass measurements and the metastable ions cleavage detection were analized to elucidate the fragmentation processes and the elemental composition of the ion fragments.  
         
     
         
         
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