Sulfur 99.98% Mass fraction of sulfii, o/o, not less than 99.98 Mass fraction of ash, not more than 0.02% Mass fraction of organic substances, not more than 0.01% Mass fraction of acids in terms of sulfuric acid, not more than 0.0015% Mass fraction of arsenic, not more than 0.0000% Mass fraction of selenium, not more than 0.000 Mass fraction of water, not more than 0.2
