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Table 1 Specificity and Selectivity data

From: Quantification of organic volatile impurities in Oseltamivir phosphate drug substances by head space gas chromatography

S. No Name Retention times of each solvent Retention times of solvents in selectivity solution Resolution between solvent peaks in selectivity solution
1 Methanol 11.61 11.62
2 Ethanol 15.55 15.55 10.9
3 Acetonitrile 16.7 16.7 3.8
4 IPA 18.31 18.32 5.5
5 DCM 21.15 21.15 10.1
6 MTBE 25.2 25.19 12.4
7 Hexane-1 25.79 25.79 1.6
8 Hexane-2 27.41 27.4 4.1
9 Ethyl acetate 28.68 28.68 3.6
10 Hexane-3 29.14 29.14 1.4
11 THF 31.12 31.12 6.3
12 Hexane-4 32.56 32.56 4.7
13 1,4-Dioxane 37.99 37.99 19.7
14 DMF 42.33 42.33 19.3
15 Toluene 43.85 43.85 7.3