超清版 GB/T 5881-2024 苎麻理化性能试验方法

ICS 59.060.10
CCS W 30
中华人民共和国国家标准
GB/T 5881—2024
苎麻理化性能试验方法
Test methods for physical and chemical properties of ramie fiber
代替 GB/T 5881～5889—1986
2024-07-24 发布2025-02-01 实施
国家市场监督管理总局
国家标准化管理委员会发 布

目　　次
前言 ····································································································· Ⅴ
1 范围 ·································································································· 1
2 规范性引用文件 ······················································································ 1
3 术语和定义 ··························································································· 1
4 取样 ·································································································· 1
4.1 批样 ······························································································ 1
4.2 实验室样品 ······················································································ 2
4.3 试验样品 ························································································· 2
5 回潮率和含水率 ······················································································ 4
5.1 原理 ······························································································ 4
5.2 仪器和用具 ······················································································ 4
5.3 试验步骤 ························································································· 4
5.4 结果计算与表示 ················································································· 4
5.5 试验报告 ························································································· 5
6 白度 ·································································································· 5
6.1 原理 ······························································································ 5
6.2 仪器和用具 ······················································································ 5
6.3 试验步骤 ························································································· 5
6.4 结果计算与表示 ················································································· 6
6.5 试验报告 ························································································· 6
7 长度 ·································································································· 6
7.1 预调湿和试验用标准大气 ········································································ 6
7.2 仪器和用具 ······················································································ 7
7.3 试验步骤 ························································································· 7
7.4 结果计算与表示 ················································································· 8
7.5 试验报告 ···································································