Also, an acid is used to selectively leach out cobalt from the residue left after the abovementioned use of water to leach out the lithium.

Boiling broccoli causes most of the nutrient to leach out in the water.

ABS is a body safe non-porous material that has no nasty phthalates in it to leach out.

The bed should be overwatered periodically, to leach out any accumulation of salts contained in irrigation water.

The calcined material carrying metal and metal compounds (oxides and salts) is then treated with strong acids, sulfuric acid and hydrochloric acid, to leach out the metal ions.

The process enables the leaching of difficult to leach minerals, including gold, and can produce one or more metals of high purity.

Table 1: Estimated water application needed to leach salts.

It uses natural bacteria to leach sulphide minerals.

Such ponds hold the overflow of acids used to leach metal out of crushed rock.

If it foams or bubbles, the gravel is going to leach carbonates into the water.