Specific ion-molecule processes of the compounds PCl3, POCl3 and PSCl3, observed in a conventional magnetic sector mass spectrometer at relatively low pressure, are presented. (Author)
The investigation of the effectiveness of resin treatments in protecting paper from rot and weathering has included the following specific objectives: Determination of the relative effectiveness of a spectrum of different resins; Selection of effective and practical conditions for resin application; Determination of the effect of weathering on subsequent rot resistance; Determination of the effect of resin treatment on the physical properties of the paper; Elucidation of the mechanism of ...