seprate sulphur from a solution of sulphur in carbon disulphide

Sulphur is soluble in carbon disulphide solvent (CS2) while Carbon is insoluble in CS2.    Experiment:
  • Add the mixture of carbon and sulphur to CS2. The sulphur will get dissolved in the solvent. 
  • Filter to remove the carbon. Dry the filter paper and recover the carbon. 
  • Collect the filtrate containing the sulphur. Evaporate the CS2 away and recover the dry sulphur. 

Precaution: CS2 is an inflammable and explosive compound. Evaporation should be done in a well ventilated fume cabinet (with vapour recovery) over a waterbath. Do not expose it to fire or even an oven.

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