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Isotopes Environ Health Stud. 2002 Jun;38(2):87-93.

Stability of iodine content in iodized salt.

Author information

1
Ege University, Institute of Nuclear Sciences, Bornova Izmir, Department of Nuclear Applications, Turkey.

Abstract

lodization of consumed salts is mandatory in many countries fighting against to iodine deficiency. In salts iodine stability is affected by storage conditions. In this study, stabilization of iodine in salt has been determined by using Isotope Dilution Analysis. Heating, heating with oxidizing agent, incubation by time were the parameters which have been determined. Iodine loss was 41.16% by heating at 200 degrees C up to 24 hours. When the iodized salt heated with oxidized agent iodine loss rose up to 58.46% in 24 hours. Iodine loss mechanism seems similar in both cases. However iodine loss is greater in the presence of H202. After the salt was stored at room temperature with a relative humidity of 30%-45% and in sealed paper bags for three years, 58.5% of iodine content lost in approximately 3.5 years.

PMID:
12219985
DOI:
10.1080/10256010208033316
[Indexed for MEDLINE]

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