%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 Arbab Zavar, Mohammad Hossein %A Heidari, Tahereh %A Akram Hajinia %A Thiery Salehi %J Asian Journal of Chemistry %@ 0970-7077 %D 2010