Qualitative and quantitative evaluation of chrysotile and crocidolite fibres with infrared spectrophotometry: Application to asbestos-cement products
Valerio, F; Balducci, D
HERO ID
3657501
Reference Type
Book/Book Chapter
Year
1989
Language
English
PMID
| HERO ID | 3657501 |
|---|---|
| Year | 1989 |
| Title | Qualitative and quantitative evaluation of chrysotile and crocidolite fibres with infrared spectrophotometry: Application to asbestos-cement products |
| Book Title | Non-occupational exposure to mineral fibres |
| Authors | Valerio, F; Balducci, D |
| Editor | Bignon, J; Peto, J; Saracci, R |
| Publisher Text | International Agency for Research on Cancer |
| City | Lyon, France |
| Page Numbers | 197-204 |
| Abstract | The infrared (IR) spectrophotometry technique was applied to the analysis of asbestos-cement samples using a Fourier transform IR spectrophotometer (FTIR) and a computer assisted analysis of the spectra. Chrysotile (12001295) and crocidolite (12001284) samples had characteristic IR spectra, and optical density measurements in the 2710 nanometer (nm) band for chrysotile and the 12820 nm band for crocidolite, permitting the quantitative evaluation of each fiber either alone or in mixtures. Changes in fiber structure and in chemical composition could also be determined from the IR spectra. Amounts as small as 0.1 milligram of fiber could be detected in a 300 milligram disk of potassium-bromide using a low cost IR spectrophotometer. The problem of the matrix effect was easily overcome and the sensitivity improved with the use of the Fourier transform. The possibility of reducing matrix interference and comparing different spectra was achieved with the inclusion of computer assisted analysis of the spectra. The technique was applied in the analysis of several asbestos-cement products and insulating materials. |
| Pmid | 2545609 |
| Wosid | MEDLINE:2545609 |
| Is Certified Translation | No |
| Dupe Override | No |
| Series | IARC Scientific Publication, no. 90 |
| Isbn | 9789283211907 |
| Is Public | Yes |
| Language Text | English |
| Relationship(s) |
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