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Table 4 DS calculated through the calibration curve (μFTIR)

From: A diagnostic tool for assessing the conservation condition of cellulose nitrate and acetate in heritage collections: quantifying the degree of substitution by infrared spectroscopy

SampleSP 548SP 544SP 594SP 324SP 543SP 542SP 593SP 592SP 600
DS (μFTIR)2.502.532.692.742.742.762.802.822.83
  1. The predicted pristine value for CDA and CTA are 2.2–2.5 and 2.9–3, respectively