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Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process.

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Group

A vertical column in the periodic table, also called a family.

Fluorescence

Absorption of high energy radiation by a substance and subsequent emission of visible light.

Joule

A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie.

Excited State

Any state other than the ground state of an atom or molecule.

Solvation

The process by which solvent molecules surround and interact with solute ions or molecules.

Dispersed Phase

The solute-like species in a colloid.

Pairing Energy

Energy required to pair two electrons in the same orbital.

Atomic Number


Integral number of protons in the nucleus, defines the identity of element.
 

Denaturation

A process pertaining to a change in structure of a protein form regular to irregular arrangement of the polypeptide chains.

Cyclotron

A device for accelerating charged particles along a spiral path.