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The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.

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Flash Point

The temperature at which a liquid will yield enough flamable vapour to ignite. There are various recognized industrial testing methods, therefore the method used must be stated.

Buffer Solution

Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.

Hydrolysis

The reaction of a substance with water or its ions.

Emission Spectrum

Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to lower energy states.

 

Ionization

In aqueous solution, the process in which a molecular compound reacts with water and forms ions.

Enantiomer

One of the two mirror-image forms of an optically active molecule.

Hydrophilic Colloids

Colloidal particles that repel water molecules.

Equivalence Point

The point at which chemically equivalent amounts of reactants have reacted.

Barometer

A device for measuring pressure.

Thermal Cracking

Decomposition by heating a substance in the presence of a catalyst and in the absence of air.