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pure-food laws

(Encyclopedia)pure-food laws: see food adulteration. ...

analytical chemistry

(Encyclopedia)analytical chemistry: see under chemistry. ...

Consumers' Union

(Encyclopedia)Consumers' Union, product testing and rating organization founded (1936) to provide consumers with information and counsel regarding major retail goods and services. Through its monthly Consumer Repor...

Teamsters Union

(Encyclopedia)Teamsters Union, U.S. labor union formed in 1903 by the amalgamation of the Team Drivers International Union and the Teamsters National Union. Its full name is the International Brotherhood of Teamste...

Union

(Encyclopedia)Union, industrial township (1990 pop. 50,024), Union co., NE N.J.; settled 1749 by colonists from Connecticut, set off from Elizabethtown 1808. Steel and metal products and paint are among its various...

radical, in chemistry

(Encyclopedia)radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include...

mole, in chemistry

(Encyclopedia)mole, in chemistry, a quantity of particles of any type equal to Avogadro's number, or 6.02×1023 particles. One gram-molecular weight of any molecular substance contains exactly one mole of molecules...

earth, in chemistry

(Encyclopedia)earth, in chemistry, metallic oxide not readily reducible by chemical means, e.g., alkaline earths, rare earths, and alumina. The name is also applied to certain absorbent clays, e.g., fuller's earth,...

radiation chemistry

(Encyclopedia)radiation chemistry: see radiochemistry. ...

Universal Postal Union

(Encyclopedia)Universal Postal Union (UPU), specialized agency of the United Nations since 1948, with headquarters at Bern, Switzerland. Established in 1875 following adoption of the Universal Postal Convention, it...