Fig.6a and 6b: FTIR of Dust deposited at at Sites I and II. R.communis Fig.7a and 7b: FTIR of Dust deposited at at Sites I and II. F.religiosa Fig.8a and 8b: FTIR of Dust deposited at at Sites I and II. S.indica Fig.9a and 9b: FTIR of Dust deposited at at Sites I and II. C.fistula Fig.10a and 10b: FTIR of Dust deposited at at Sites I and II. F.bengalensis III Assignment of IR absorption bands in spectra of Dust Load of plants leaves collected from site I and Site II Plant Species and their wavenumbers (cm-1) Tentative R.communis S.indica C.fistula F.religiosa F.bengalensis Site 1 Site 2 Site 1 Site 2 Site 1 Site 2 Site 1 Site 2 Site 1 Site 2 assignment Inorganic Phosphates, Aliphatic Primary Amides, 3407.5 3410.7 3406.7 3406.8 3407.8 3403.4 3406.2 3414.7 3407.8 3404.6 Inorganic Carbonate, Kaolin Clays/ Alumino Silicates Aliphatic Hydrocarbons, Methylene - 2923.4 - 2922.6 - 2923.0 - 2922.6 2922.5 2920.3 asym./sym. Stretch, Aliphatic C-H stretch Aliphatic 2881.8 2853.8 - - - 2853.2 - - Hydrocarbons CC and CN - - - 2363.3 - 2361.8 2361.8 - 2360.5 - triple bond (Nitriles) C=O stretching of amide groups (amide I) - 1641.9 1646.4 1646.2 1644.0 1638.9 1646.9 1641.9 1650.0 1646.6 quinine, C=O stretching of H-bonded conjugated ketones Inorganic 1425.8 1426.6 1427.1 1429.0 1420.4 1428.7 1427.3 1430.4 1427.8 1430.1 Nitrates, Methylene
Fig.6a and 6b: FTIR of Dust deposited at R.communis at Sites I and II. Fig.7a and 7b: FTIR of Dust deposited at F.religiosa at Sites I and II. Fig.8a and 8b: FTIR of Dust deposited at S.indica at Sites I and II. Fig.9a and 9b: FTIR of Dust deposited at C.fistula at Sites I and II. Fig.10a and 10b: FTIR of Dust deposited at F.bengalensis at Sites I and II. III Assignment of IR absorption bands in spectra of Dust Load of plants leaves collected from site I and Site II Plant Species and their wavenumbers (cm-1) R.communis S.indica C.fistula F.religiosa F.bengalensis Tentative assignment Site 1 Site 2 Site 1 Site 2 Site 1 Site 2 Site 1 Site 2 Site 1 Site 2 3407.5 3410.7 3406.7 3406.8 3407.8 3403.4 3406.2 3414.7 3407.8 3404.6 Inorganic Phosphates, Aliphatic Primary Amides, Inorganic Carbonate, Kaolin Clays/ Alumino Silicates - 2923.4 - 2922.6 - 2923.0 - 2922.6 2922.5 2920.3 Aliphatic Hydrocarbons, Methylene asym./sym. Stretch, Aliphatic C-H stretch 2881.8 2853.8 - - - 2853.2 - - Aliphatic Hydrocarbons - - - 2363.3 - 2361.8 2361.8 - 2360.5 - CC and CN triple bond (Nitriles) - 1641.9 1646.4 1646.2 1644.0 1638.9 1646.9 1641.9 1650.0 1646.6 C=O stretching of amide groups (amide I) quinine, C=O stretching of H-bonded conjugated ketones 1425.8 1426.6 1427.1 1429.0 1420.4 1428.7 1427.3 1430.4 1427.8 1430.1 Inorganic Nitrates, Methylene
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