ASTM D Standard Test Method for Determination of Methoxy and ...
المعنى والاستخدام The methoxy and hydroxypropoxy contents of cellulose ether were determined by Zeisel gas chromatography. Substitution levels affect solution properties, rheology, viscosity and many other properties of the polymer. ASTM D Standard Test Method for Determination of Methoxy and Hydroxypropyl Substitutions in Cellulose Ether Products by Gas ...