What is wood ash?

Wood ash. Ash or ashes are the solid remains of fires. Specifically, it refers to all non-aqueous, non-gaseous residues that remain after something is burned. In analytical chemistry, in order to analyse the mineral and metal content of chemical samples, ash is the non-gaseous, non-liquid residue after a complete combustion.

What is ash in food?

Ash refers to any inorganic material, such as minerals, present in food. It's called ash because it's residue that remains after heating removes water and organic material such as fat and protein. ... Generally, any natural food will be less than 5 percent ash in content, while some processed foods can have ash content of more than 10 percent.

What is volcanic ash?

Volcanic ash is a mixture of rock, mineral, and glass particles expelled from a volcano during a volcanic eruption. shoveling volcanic ash. Removing volcanic ash can be a difficult and laborious process. Here, two Icelanders shovel volcanic ash from a hillside in Vestmannaeyjar, a volcanic archipelago off the southwest coast of Iceland.

What is ash in medical terms?

Medical Definition of ash 1 : the solid residue left when combustible material is thoroughly burned or is oxidized by chemical means 2 ashes plural : the remains of the dead human body after cremation or disintegration