№  Description of Commercial Sulfur

1    Mass fraction of sulfur, %, not less than  99,95

2    Mass fraction of ash, %, not less than  0,03

3    Mass fraction of organic compounds, %, not more than  0,03

4    Mass fraction of acids converted to sulfuric acid, %, not more than  0,003

5  * Mass fraction of moisture, %, not more than  0,2

6    Presence of mechanical impurities  absent

7    Color  bright yellow

 

*In lump sulfur there is a possibility of increasing of mass fraction of moisture up to 2% providing recalculation of actual weight of overall volume for normalized moisture.