標題: ASTM F 2260-2003 通過質子核磁共振(1H NMR)光譜測定脫.... [打印本頁] 作者: 兌水 時間: 2009-12-8 06:32 標題: ASTM F 2260-2003 通過質子核磁共振(1H NMR)光譜測定脫.... F2260-03 Standard Test Method for Determining Degree of Deacetylation in Chitosan Salts by Proton Nuclear Magnetic Resonance (1H NMR) Spectroscopy