Author/Authors :
Rieder، نويسنده , , R. and Wobrauschek، نويسنده , , P. and Ladisich، نويسنده , , W. and Streli، نويسنده , , C. and Aiginger، نويسنده , , H. and Garbe، نويسنده , , S. and Gaul، نويسنده , , G. and Knِchel، نويسنده , , A. and Lechtenberg، نويسنده , , F.، نويسنده ,
Abstract :
To achieve lowest detection limits in total reflection X-ray fluorescence analysis (TXRF) synchrotron radiation has been monochromatized by a multilayer structure to obtain a relative broad energy band compared to Bragg single crystals for an efficient excitation. The energy has been set to 14 keV, 17.5 keV, 31 keV and about 55 keV. Detection limits of 20 fg and 150 fg have been achieved for Sr and Cd, respectively.
