本文件规定了悬浮和粉末形式的个性化纤维素纳米纤维（iCNF）样品的测量特性及其测量方法。此外，它还提供样品制备、测量和数据分析程序。 本文件不适用于制造后经过修改的iCNFs的特性。

This document specifies characteristics to be measured of individualized cellulose nanofibril (iCNF) samples in suspension and powder forms and their measurement methods. In addition, it provides sample preparation, measurement and data analysis procedures. This document does not apply to the characterization of iCNFs that have been modified after they are manufactured.