Add time:08/03/2019         Source:sciencedirect.com

The presence of asbestos in the environment has caused concern because exposure to asbestos can cause diseases such as stomach and pancreatic cancer. However, suitable up-to-date methods for quantitatively analyzing asbestos and assessing the toxicity of asbestos have not been developed. In this study, asbestos in drinking water was characterized using a stepwise multiple differential infra-red spectra method and a partial least squares method. The in vivo migration of ingested asbestos in mice was then investigated using the technique. The quantification limit of six kinds of asbestos by using inductively coupled plasma optical emission spectrometry and Fourier-transform infrared spectroscopy in water are respectively from 0.0468 to 0.0705 mg/L, from 0.0039 to 0.0064 mg/L. The relative standard deviations were respectively less than 2.85% and 3.81%. The recoveries of the test asbestos were respectively more than 95.10% and 95.38%. Asbestos was found mainly to accumulate in the livers of mice. The Fourier-transform infra-red spectroscopy inductively coupled plasma optical emission spectrometry method can be used to detect and precisely quantify asbestos in water samples and in animal tissues.

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