3500 3000 2500 Wavenumbers (cm-1) 2000 1500 1000 500 30 35- 40 45 1705.94 50 55 1603.66 1176.08 829.79 754.91 %Transmittance 60- 1618.85 65 1562.62 609.71 1452.89 1397.18 1120.57 1108.23 70- 1259.32 3229.46 931.06 1154.94 75- 1278.19 80- 892.62 3113.33 3069.01 3034.18 3056.47 2999.35 1486.87 85- 2913.87 1753.15 729.78 2282.75 1822.68 1787.08 06 952.70 95 100

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