International Journal of Spectroscopy / 2011 / Article / Fig 7

Research Article

Distribution of Heat Stabilizers in Plasticized PVC-Based Biomedical Devices: Temperature and Time Effects

Figure 7

Plot of the calcium carboxylates (1576 cm−1) (a), and zinc carboxylates (1540 cm−1), (b), peak area versus heating time at constant temperature of 30 (), 50 (□) and 70 () °C for one year aged nonsterilized samples.

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