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                     „™â “√≈–≈“¬º ¡¢Õß Ethyl acetate: Chloroform „πÕ—μ√“ à«π 60:40 ‡ªìππÈ”¬“·¬°
                     1 = “√ °—¥√“°¢ÕßÀ≠ⓧ“μâπ·∫∫
                     2 = “√ °—¥√“°À≠ⓧ“μ—«Õ¬à“ß
                     I =μ√«® Õ∫¿“¬„μâ UV 254
                     II = μ√«® Õ∫¿“¬„μâ UV 366
                     III = μ√«® Õ∫¥â«¬ “√≈–≈“¬ 5% Anisaldehyde - sulfuric acid
                       =®ÿ¥ ’∑’Ëæ∫„π∫“ßμ—«Õ¬à“ß



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              ∑’ˉ¡à≈–≈“¬„π°√¥ ª√‘¡“≥ “√ °—¥¥â«¬μ—«∑”    5) °“√μ√«® Õ∫ª√‘¡“≥§«“¡™◊Èπ¡’§«“¡ ”§—≠μàÕ

              ≈–≈“¬∑’ˇÀ¡“– ¡ À√◊Õ§à“Õ◊Ëπ Ê μ“¡·μà§ÿ≥ ¡∫—μ‘  Õ“¬ÿ·≈–§ÿ≥¿“æ¢Õß ¡ÿπ‰æ√ À“° ¡ÿπ‰æ√¡’
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