纸、纸板、纸浆和纤维素纳米材料.在900℃下点火时残留物（灰分含量）的测定；C

[中文适用范围]： 本文件描述了纸张、纸板、纸浆和纤维素纳米材料灼烧残渣（灰分）的测定方法。本文件适用于所有类型的纸张、纸板、纸浆和纤维素纳米材料。本文件提供了测量程序，以使 900°C 灼烧残渣（灰分）的测量精度达到 0.01% 或更高。在本文件中，“纤维素纳米材料”一词特指纤维素纳米物体（见 3.2 至 3.4）。由于其纳米级尺寸，这些纤维素纳米物体可能具有与纸张、纸板和纸浆相关的固有属性、行为或功能不同的固有属性、行为或功能。 [外文原描述]： This document describes the determination of the residue (ash content) on ignition of paper, board, pulps and cellulose nanomaterials. This document is applicable to all types of paper, board, pulp and cellulose nanomaterial. This document provides measurement procedures to obtain a measurement precision of 0,01 % or better for residue (ash content) on ignition at 900 °C. In the context of this document, the term "cellulose nanomaterial" refers specifically to cellulose nano-object (see 3.2 to 3.4). Owing to their nanoscale dimensions, these cellulose nano-objects can have intrinsic properties, behaviours or functionalities that are distinct from those associated with paper, board and pulps.