An investigation into the different forms of lac resin using FT-IR and diffuse reflectance spectroscopy
Studies different forms of lac resin, viz. sticklac, seedlac and shellac by FT-IR spectroscopy. Also compares the FT-IR and DRIFT spectra of lac obtained from different host trees in an attempt to explain the differences in their physico-chemical properties. Concludes that all lacs are a structurally similar class of compounds but differ in physico-chemical behaviour due to minor compositional differences, especially with reference to hydroxylic content, long chain fatty acid content and unsaturation.
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