in further solvent(s) byproducts: (FCN)3; reactn. of a soln. of dirhodane in FCl2C-CClF2 with diluted F2 (F2:N2 0 1:10); cooled down to -183°C; solvent removed by condensation; mixt. condensed to aq. KOH-soln. at room temp. to remove SF4, SOF and (FCN)3; sepn. by fractionated condensation at -127°C, -140°C, -196°C;
in neat (no solvent) byproducts: SiF4; heating dry AgF and excess dry S in vac. to 110 - 120°C;; removal of S at 8 -10°C; condensed (cooling with liquid air);;