|
|||||
|
|
Biological trace-element measurements using synchrotron radiation |
|
| Authors: | Robert D. Giauque Joseph M. Jaklevic Albert C. Thompson |
| Affiliation: | (1) Lawrence Berkeley Laboratory, University of California, 94720 Berkeley, CA |
| Abstract: | The feasibility of performing X-ray fluorescence trace-element determinations at concentrations substantially below the ppm level for biological materials is demonstrated. Conditions for achieving optimum sensitivity were ascertained. Results achieved for five standard reference materials were, in most cases, in excellent agreement with listed values. Minimum detectable limits of 20 ppb were measured for most elements. |
| Keywords: | X-ray fluorescence trace element determinations biological analyses synchrotron radiation XRF calibration minimum detectable limits biological standard reference materials |
| 本文献已被 SpringerLink 等数据库收录！ | |