Poyang'aniridwa bwino kwambiri, mankhwala athu a sulfure amapereka ntchito zabwino kwambiri, khalidwe lodalirika komanso chiyero chapamwamba kwambiri, kuchokera ku 5N mpaka 7N (99.999% mpaka 99.99999%), kuti tikwaniritse zosowa za madera osiyanasiyana omwe amafunikira zipangizo zapamwamba za sulfure. Tiyeni tiwone mwatsatanetsatane zabwino zambiri ndi ntchito zomwe zopangira zathu za sulfure ndizofunikira kwambiri m'mafakitale osiyanasiyana.