Asbestos fibre identification by Raman microspectroscopy

✍ Scribed by Delphine Bard; Jack Yarwood; Barry Tylee

• Book ID: 101246093
• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 368 KB
• Volume: 28
• Category: Article
• ISSN: 0377-0486
• DOI: 10.1002/(sici)1097-4555(199710)28:10<803::aid-jrs151>3.0.co;2-7

✦ Synopsis

Raman microspectroscopy has been shown to be a very powerful technique for the identiÐcation and characterization of small mineral Ðbres, with little or no sample preparation. Such spectra are sensitive to the composition of the mineral and can often be used to distinguish between similar species. The technique can be employed for the identiÐcation of single micrometre-sized Ðbres. Vibrational spectra were obtained from Ðve asbestos reference standards for comparison with four non-Ðbrous analogues. The di †erent species such as amosite, anthophyllite, chrysotile, crocidolite and tremolite give distinct spectra. Apparently no important di †erences appear between spectra of asbestos Ðbres and their non-Ðbrous forms, except in the OH-stretching region. For each spectrum, all peaks were listed in order to determine spectral features. The reference spectra were used for the identiÐcation of known and unknown (industrial samples) Ðbres on cellulose acetate Ðlters.