%0 Journal Article %T Spectrophotometric Determination of Trace Amounts of Beryllium in Natural Water Using Mean Centering of Ratio Spectra Method and Partial Least Squares Regression %A CHamsaz, Mahmod %A محمد حسین ارباب زوار %A Heidari, Taherh %A اکرم حاجی نیا %J Asian Journal of Chemistry %@ 0970-7077 %D 2010