| 41. | This process creates sulfide as a product according to Equation 1.
|
| 42. | Emission of hydrogen sulfide from Ni�amama dome was reported in 2003.
|
| 43. | Gallium and germanium are also recovered some from other sulfide ores.
|
| 44. | Bacterial oxidation of the sulfides results in sulfates, reducing toxicity.
|
| 45. | Such substances include mercury, hydrogen sulfide, arsenic and selenium.
|
| 46. | Chimneys are usually made of metals known as polymetallic sulfides.
|
| 47. | The mine would produce ores and wastes laced with sulfides.
|
| 48. | Malodorous hydrogen sulfide and explosive methane seeped from the ground.
|
| 49. | The sulfides are " fairly coarse " grained.
|
| 50. | Chalcopyrite is a copper iron sulfide that glitters like gold.
|
