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100 Ralf Steudel Fig. 2 Temperature dependence of the concentrations of S8 and of the polymer Sm (top), of S7 (center), and of S6, S9, S10, and S12 (bottom) in liquid sulfur according to the data in Table 3. Note the two different ordinate scales ture region 116–387 C available at present. The temperature dependence of the concentrations of the major components of liquid sulfur is shown in Fig. 2. According to the data in Table 3 the S8 content decreases from 93.6 mass % at 116 C via 83.4% at 159 C to 50.7% at 269 C at which temperature it reaches a minimum followed by a slight increase to 56.3% at 387 C. Simul- taneously, the polymer content increases from 0.2% at 116 C via 3.0% at 159 C to a maximum of 39.9% at 243 C followed by a slight decrease to 33.9% at 287 C. Of all the rings soluble in CS2 the concentration of S8 is highest, of course; second comes S7 the concentration of which first increas- es from 3.1% at 116 C to 5.2% at 159 C followed by a decrease at higher temperatures as a consequence of the decreasing S8 concentration. At 159 C the order of decreasing ring concentration is S8>>S7>>S6>S9>S12>S10>S19,PDF Image | Topics in Current Chemistry
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