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Iodine Tests & Measurements

• Abraham
• Christiansen, Rasmussen
• Derry
• Fluorescent Scanning
• Gottardi
• Iodine Loading Test
• Perkin
• Soldin
• WCAS

WCAS -- West Coast Analytical Service

Analysis of Iodine

WCAS -- West Coast Analytical Service

"Total iodine, iodine in any and all forms, can be determined using ICPMS.  WCAS now has validated methods for total iodine in blood and urine at ug/L levels using ICPMS.  While the sensitivity of ICPMS for iodine is excellent, the background, its tendency to adsorb onto glass, and its chemistry all have to be controlled for successful quantitative analysis in complex matrices. 

"Iodide, in the presence of acid, will form molecular iodine. Molecular iodine will cause of memory affects and background problems due to its adsorption onto glass. Consequently, total iodine by ICPMS is best performed in dilute base such as 0.1% ammonium hydroxide.  Dilutions and digestions must also be conducted in base such as ammonium hydroxide or tetramethylammonium hydroxide (TMAH)."

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  Copyright: Zoe, 2006.