超清版 GB/T 44571-2024 人造革合成革试验方法 游离异氰酸酯含量的测定

人造革合成革试验方法
游离异氰酸酯含量的测定
Test method of leatherette—Determination of free isocyanates content
ICS 59.080.40
CCS Y 47
中华人民共和国国家标准
GB/T 44571—2024
2024-09-29 发布2025-04-01 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 ····································································································· Ⅲ
1 范围 ·································································································· 1
2 规范性引用文件 ······················································································ 1
3 术语和定义 ··························································································· 1
4 液相色谱法（LC 法） ················································································ 1
4.1 原理 ······························································································ 1
4.2 试剂和材料 ······················································································ 1
4.3 仪器和设备 ······················································································ 2
4.4 试验步骤 ························································································· 2
5 气相色谱﹘质谱法（GC﹘MS 法） ····································································· 4
5.1 原理 ······························································································ 4
5.2 试剂和材料 ······················································································ 4
5.3 仪器和设备 ······················································································ 4
5.4 试验步骤 ························································································· 4
6 气相色谱法（GC 法） ················································································ 6
6.1 原理 ······························································································ 6
6.2 试剂和材料 ······················································································ 6
6.3 仪器和设备 ······················································································ 6
6.4 试验步骤 ························································································· 7
6.5 二环己基甲烷二异氰酸酯含量的测定 ··························································· 7
7 检出限 ································································································ 8
8 试验报告 ······························································································ 8
附录A （资料性） 异氰酸酯标准衍生物的液相色谱图 ················································ 9
附录B （规范性） 离子模式（SIM）采集参数 ······················································ 10
附录C （资料性） 异氰酸酯标准溶液的气相色谱﹘质谱离子模式（SIM）监测图 ··················· 11
附录D （资料性） 异氰酸酯标准溶液的气相色谱图 ················································· 12
GB/T 44571—2024
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前　　言
本文件按照GB/T 1.1—2020《标准化工作导则　第1 部分：标准化文件的结构和起草规则》的规
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