Sulfur in the mineral form varies from 0.002% in highly leached sandy soils to 5% in calcaric or saline soils. So agricultural soils might contain 200 lb. to 1,000 lb. of mineral sulfur in a 6 ...
Iron is the main ingredient in various forms of iron and ... When making steel, it reacts with sulfur and helps to increase the metal's resistance to heat. Atomic number 25, atomic weight 54. ...