Rapid method for radiostrontium determination in milk in emergency situations using PS resin |
| |
Authors: | Marina Sáez-Muñoz Héctor Bagán Alex Tarancón José F. García Josefina Ortiz Sebastián Martorell |
| |
Affiliation: | 1.Laboratorio de Radiactividad Ambiental, MEDASEGI Research Group,Universitat Politècnica de València,Valencia,Spain;2.Department of Chemical Engineering and Analytical Chemistry,University of Barcelona,Barcelona,Spain;3.Serra-Húnter Program, Generalitat de Catalunya,Barcelona,Spain |
| |
Abstract: | This study describes a new and rapid procedure for radiostrontium determination in milk samples based on the use of plastic scintillation resins (PS resins). The proposed method reduces the time of analysis by at least 2 h by combining separation and measurement preparation into a single step and optimizing the pre-treatment steps. The method is robust and reproducible, with good total recoveries (65% on average) and a relative bias for total radiostrontium activity (89Sr + 90Sr) below 7%. The minimum detectable activity for 100 mL of milk sample measured for 60 min is about 0.34 Bq L?1. The proposed method can quantify radiostrontium content in 5 h, which makes it suitable for use in emergency situations. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|