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- W2349466161 abstract "Using chemical addition method to calibrate absorption effect, trace element in human hair are analyzed with X-ray fluorescence (XRF). Based on practical samples of human hair, the relative matrix absorption efficienty is determined, and the relation ship between which and the most important componet Ca is fitted. The contents of Ca, Cu, Fe, Zn in the human hair are analyzed using the calibrated constants. A group of standard human hair samples are analyzed and the results are compared with the recommended value of the National Standard. The measured values show a good coincidence with the recommended values. Comparing to the GB, the deviations are Ca 0.28%, Fe 0.99%, Cu 2.6%, Zn 0; the relative errors are Ca 2.2%, Fe 1.7%, Cu 2.2%, Zn (1.1%,) and the sensitivity is ≤2.2%. This method may be used to determine the tracing elements in human hair." @default.
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- W2349466161 date "2004-01-01" @default.
- W2349466161 modified "2023-09-25" @default.
- W2349466161 title "Analysis of Tracer Elements in Human Hair Using XRF" @default.
- W2349466161 hasPublicationYear "2004" @default.
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