Journal of Environment and Safety
Online ISSN : 2186-3725
Print ISSN : 1884-4375
ISSN-L : 1884-4375
Original article
Method for regeneration osmium (Ⅷ) oxide from a spent solution of osmium oxide used for sample preparation for electron microscopy
Kazushige SuzukiYoshinori MuranakaYuichi MiyazawaAyumi KamiyaChuzo FujimotoIsao OhtaKiyotaka ItohKuniaki Sakata
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2014 Volume 5 Issue 1 Pages 3-8

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Abstract

An osmium (Ⅷ) oxide solution that had been used for sample preparation for electron microscopy was processed by ozonation and then treated with a 0.1 mol/L solution of sodium hydroxide. An apparatus was assembled such that a systemic series of mechanical and chemical operations was performed to regenerate osmium (Ⅷ) oxide. By optimizing the operating parameters of the apparatus, a solution with osmium (Ⅷ) oxide content of 2.0%(w/v) or higher was produced. The generated osmium (Ⅷ) oxide was found to be reusable for sample preparation for electron microscopy.

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© 2014 Academic Consociation of Environmental Safety and Waste Management,Japan
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