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Fourier transform Raman spectroscopic investigation of paper

✍ Scribed by Albert H. Kuptsov

Book ID
103956884
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
482 KB
Volume
7
Category
Article
ISSN
0924-2031

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✦ Synopsis

Fourier transform

Raman spectroscopy has been used for the investigation and differentiation of sulphate/ sulphite hard-and softwood papers. Distinctive features of hard-and softwood native and residual lignins were analysed in different stages of digestion. Sulphate papers were found to differ (especially hardwood sulphate) from sulphite ones as can be seen from the appearance of a band at 510 cm-', which was attributed to disulphide bond formation. Various mineral additives were also studied and used for paper differentiation.

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