超清版 GB/T 14020-2024 氢化松香

ICS 65.050
CCS B 72
中华人民共和国国家标准
GB/T 14020—2024
氢　化　松　香
Hydrogenated rosin
代替 GB/T 14020—2006
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 技术要求 ······························································································ 1
5 取样 ·································································································· 2
6 试验方法 ······························································································ 2
6.1 外观测定 ························································································· 2
6.2 颜色测定 ························································································· 2
6.3 软化点测定（环球法） ·········································································· 3
6.4 酸值测定 ························································································· 3
6.5 乙醇不溶物测定 ················································································· 3
6.6 不皂化物测定 ···················································································· 3
6.7 枞酸、去氢枞酸的测定（紫外分光光度计法） ·················································· 3
6.8 枞酸、去氢枞酸和四氢树脂酸的测定（气相色谱法） ·········································· 4
7 检验规则 ······························································································ 6
7.1 检验分类 ························································································· 6
7.2 批次划分 ························································································· 6
7.3 抽样 ······························································································ 6
7.4 定级 ······························································································ 6
8 包装、标志、运输、贮存 ············································································ 6
8.1 包装 ······························································································ 6
8.2 标志 ······························································································ 6
8.3 运输 ······························································································ 6
8.4 贮存 ······························································································ 7
附录A （资料性） 紫外分光光度计法测定枞酸和去氢枞酸的计算示例 ······························ 8
A.1 普通氢化松香的紫外吸收谱图 ·································································· 8
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