Thionyl fluoride, SOF 21 has been obtained as a fuming, gas by decomposing arsenic fluoride with thionyl chloride (Moissan and Lebeau, Corn pt.
Another out of many theories 1 is that the hard beds of quartzite are denuded by the disintegration of the sof ter layers.
The monotheistic influence of Aristotle and his Arabian commentators shows itself in Albert and Aquinas, at the outset, in the definitive fashion in which the " mysteries " y sof the Trinity and the Incarnation are henceforth detached from the sphere of rational or philosophical theology.
This was at Sof ala, the most southerly post of the East African Arabs.
Sof t ~ spoken and polite, crafty and suspicious, he was pacific by temperament and therefore allowed politics to slumber.