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Testing for Iodide in Table Salt
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Abstract
This Activity uses supermarket chemicals to test samples of table salt for the presence of iodine, an essential micronutrient added as iodide ion. The presence of iodide in the salt is made apparent by the appearance of a blue color.
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Elementary / Middle School ScienceKeywords (Domain):
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Consumer ChemistryCiting Articles
Citation data is made available by participants in CrossRef's Cited-by Linking service. For a more comprehensive list of citations to this article, users are encouraged to perform a search in SciFinder.
This article has been cited by 3 ACS Journal articles (3 most recent appear below).
Teacher Beliefs about Implementing Guided-Inquiry Laboratory Experiments for Secondary School Chemistry
Derek CheungJournal of Chemical Education2011 88 (11), 1462-1468Teacher Beliefs about Implementing Guided-Inquiry Laboratory Experiments for Secondary School Chemistry
Derek CheungJournal of Chemical Education2011 88 (11), 1462-1468One of the characteristics of teaching chemistry through inquiry is that teachers need to encourage students to design their experimental procedures. Although the benefits of inquiry teaching are well documented in the literature, few teachers implement ...
Addressing Widespread Iodine Deficiency Disorders: A Serious Health Problem in Thailand and Beyond
Watcharee Ketpichainarong, Piyachat Jittam, Pintip Ruenwongsa and Bhinyo PanijpanJournal of Chemical Education2010 87 (7), 662-664Addressing Widespread Iodine Deficiency Disorders: A Serious Health Problem in Thailand and Beyond
Watcharee Ketpichainarong, Piyachat Jittam, Pintip Ruenwongsa and Bhinyo PanijpanJournal of Chemical Education2010 87 (7), 662-664Iodine is the heaviest of all elements essential for human health. Iodine is a constituent of the thyroid hormone that acts on many body systems, and thus, iodine’s effects are quite broad. In discussing iodine deficiency disorders (IDDs), one should rank ...
Revisiting History: Encountering Iodine Then and Now. A General Chemistry Laboratory To Observe Iodine from Seaweed
M. Farooq WahabJournal of Chemical Education2009 86 (2), 206Revisiting History: Encountering Iodine Then and Now. A General Chemistry Laboratory To Observe Iodine from Seaweed
M. Farooq WahabJournal of Chemical Education2009 86 (2), 206The history of the discovery of iodine is retold using brown-colored seaweed found commonly along the ocean shore. The seaweed is ashed at a low temperature and the iodides are extracted into boiling water. The iodides are oxidized in acidic medium. ...
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- Received: August 03, 2009
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