Iodine Solubility in Low-Activity Waste Borosilicate Glass at 1000 °C

Riley, Brian J.; Schweiger, Michael J.; Kim, Dong-Sang; Lukens, Wayne W.; Williams, Benjamin D.; Iovin, Cristian; Rodriguez, Carmen P.; Overman, Nicole R.; Bowden, Mark E.; Dixon, Derek R.; Crum, Jarrod V.; Mccloy, John S.; Kruger, Albert A.

doi:10.1016/j.jnucmat.2014.04.027

Title: Iodine Solubility in Low-Activity Waste Borosilicate Glass at 1000 °C

Journal Article · Wed Apr 30 00:00:00 EDT 2014 · Journal of Nuclear Materials, 452(1-3):178-188

DOI:https://doi.org/10.1016/j.jnucmat.2014.04.027· OSTI ID:1133225

Riley, Brian J.; Schweiger, Michael J.; Kim, Dong-Sang; Lukens, Wayne W.; Williams, Benjamin D.; Iovin, Cristian; Rodriguez, Carmen P.; Overman, Nicole R.; Bowden, Mark E.; Dixon, Derek R.; Crum, Jarrod V.; Mccloy, John S.; Kruger, Albert A.

The purpose of this study was to determine the solubility of iodine in a low-activity waste borosilicate glass when heated inside an evacuated and sealed fused quartz ampoule. The iodine was added to glass frit as KI in quantities of 100–24000 ppm iodine (by mass), each mixture was added to an ampoule, the ampoule was heated at 1000 °C for 2 h and then air quenched. In samples with ≥12000 ppm iodine, low viscosity salt phases were observed on the surface of the melts during cooling that solidified into a white coating upon cooling. These salts were identified as mixtures of KI, NaI, and Na2SO4 with X-ray diffraction (XRD). The iodine concentrations in glass specimens were analyzed with inductively-coupled plasma mass spectrometry and the overall iodine solubility was determined to be 10000 ppm by mass. Several crystalline inclusions of iodine sodalite, Na8(AlSiO4)6I2, were observed in the 24000 ppm specimen and were verified with micro-XRD and wavelength dispersive spectroscopy.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States). Environmental Molecular Sciences Laboratory (EMSL)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

OSTI ID:: 1133225

Report Number(s):: PNNL-SA-100866; 39968; 830403000

Journal Information:: Journal of Nuclear Materials, 452(1-3):178-188, Journal Name: Journal of Nuclear Materials, 452(1-3):178-188

Country of Publication:: United States

Language:: English

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Cited By (6)

Reduction of hypervalent iodine by coordination to iron( iii ) and the crystal structures of PhIO and PhIO ₂ Wegeberg, Christina; Frankær, Christian Grundahl; McKenzie, Christine J. Dalton Transactions, Vol. 45, Issue 44 https://doi.org/10.1039/c6dt02937j	journal	January 2016
Incorporation et rôle des halogènes dans les silicates vitreux et fondus Grousset, Lucie; Pili, Eric; Neuville, Daniel R. Matériaux & Techniques, Vol. 103, Issue 4 https://doi.org/10.1051/mattech/2015040	journal	January 2015
The Influence of Glass Composition on Iodine Solubility Cicconi, Maria Rita; Pili, Eric; Grousset, Lucie MRS Advances, Vol. 4, Issue 17-18 https://doi.org/10.1557/adv.2018.665	journal	January 2019
Iodine solubility and speciation in glasses Cicconi, M. R.; Pili, E.; Grousset, L. Scientific Reports, Vol. 9, Issue 1 https://doi.org/10.1038/s41598-019-44274-4	journal	May 2019
A Scoping Study of the Chemical Behavior of Cesium Iodide in the Presence of Boron in the Condensed Phase (650°C and 400°C) Under Primary Circuit Conditions Gouëllo, Mélany; Hokkinen, Jouni; Kärkelä, Teemu Nuclear Technology, Vol. 203, Issue 1 https://doi.org/10.1080/00295450.2018.1429111	journal	March 2018
Al ₂ O ₃ -containing silver phosphate glasses as hosting matrices for radioactive iodine Yang, Jae Hwan; Park, Hwan-Seo; Cho, Yung-Zun Journal of Nuclear Science and Technology, Vol. 54, Issue 12 https://doi.org/10.1080/00223131.2017.1365025	journal	August 2017

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