The determination of nanogram amounts of Chromium in urine by x-ray fluorescence spectroscopy
Analytica Chimica Acta
By: K. Beyermann, H. J. Rose Jr., and R.P. Christian
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Abstract
Nanogram amounts of chromium can be extracted as oxinate into chloform. By treatment of the chloroform layer 3 M hydrochloric acid, oxinates of other elements and excess of reagent are removed, leaving a chloroform solution of the chromium chelate only. This solution is concentrated and transferred to the top of a small brass rod acting as sample holder. The intensity of the X-ray fluorescence of the Cr Kα line is measured with curved crystal optics. Chromium amounts greater than 5 ng can be detected. The application of the procedure to the analysis of the chromium content of urine is demonstrated.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The determination of nanogram amounts of Chromium in urine by x-ray fluorescence spectroscopy |
| Series title | Analytica Chimica Acta |
| DOI | 10.1016/S0003-2670(00)89385-X |
| Volume | 45 |
| Issue | 1 |
| Year Published | 1969 |
| Language | English |
| Publisher | Elsevier |
| Description | 5 p. |
| First page | 51 |
| Last page | 55 |
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