Preliminary results on a new method for producing yttrium phosphorous microspheres

Ghahramani, M.R.; Гарибов, А. А.; Agayev, T.N.

doi:10.1016/j.apradiso.2014.06.006

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“…The present study developed a type of paper chromatography for determination and comparison of the radiochemical purity of radioactive yttrium-90 microspheres produced by sol gel method and different composition 1) TEOS: H 2 O: HCl (Azer spheres) [14,15], 2) TEOS: CH 3 COOH:H 2 O (Azar spheres) [16], 3) TEOS: H 2 O: H 3 PO 4, (Az spheres) [17].…”

Section: Microsphere Preparationmentioning

confidence: 99%

Determination of Radiochemical Purity of Radioactive Microspheres by Paper Chromatography

AA¹

2014

J Chromatogr Sep Tech

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Simple methods to quantify radiochemical impurities existing in glass microspheres were tested. A system of two solvent mobile phases (acetone and 0.9% NaCl) were used with Whatman no. 3 paper strips as the stationary phase. Paper chromatography was used to identify radiochemical impurities in the radioactive microspheres. These impurities were found to be <0.01% for Azer spheres in saline and acetone solution. The results confirmed that glass microspheres prepared using the new procedures are convenient for radiotherapy purposes.

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Section: Microsphere Preparationmentioning

confidence: 99%