兑水 发表于 2009-10-7 14:36:56

ASTM D 3876-1996 气相色谱法测定纤维素乙醚制品中甲氧基和羟...

D3876-96(2001) Standard Test Method for Methoxyl and Hydroxypropyl Substitution in Cellulose Ether Products by Gas Chromatography
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