Sequestrant

Description

A compound that forms a complex with ions in solution. Sequestrants are used to bind ions and prevent their interferences in other reactions. Examples of sequestrants are ethylenediaminetetraacetic acid (EDTA), sodium metaphosphate (Calgon®), gluconic acid, citric acid, and tartaric acid.

Synonyms and Related Terms

sequestering agent; chelating agent; Calgon®

Authority

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 66

• Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990

• Thomas J.S. Learner, Analysis of Modern Paints, Getty Conservation Institute, Los Angeles, 2004

• Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998