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Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

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Joule

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

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Critical Mass

The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.

Suspension

A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

Diamagnetism

Weak repulsion by a magnetic field.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Intermolecular Forces

Forces between individual particles (atoms, molecules, ions) of a substance.

Designated area

An area that may be used for work with carcinogens, reproductive toxins, or substances that have a high degree of acute toxicity. A designated area may be the entire laboratory, an area of a laboratory, or a device such as a laboratory hood.

yield

The quantity of product formed by the interaction of two or more substances, generally expressed as a percentage of the quantity obtained to that theoretically obtainable.

Salinometer

An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."