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PRODUÇÃO DE GESSO (Ca

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Figure 1 - High vacuum line used in the production and purification of SO 2 . QT = quartz tube; MF = movable furnace (900 ºC); Tr 1  = trap containing dry ice plus ethanol (-73 ºC); Tr 2  = trap containing liquid nitrogen (-196 ºC); ST: stock sample tube;
Table 1 - Ca 34 SO 4 .2H 2 O mass produced, losses, and yield (%) of the chemical reaction.
Table 3 - Isotopic determination of S, (atoms % of  34 S), directly from Ca 34 SO 4 .2H 2 O in the presence of NaPO 3

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