氢　化　松　香 Hydrogenated rosin  ICS  65.050 CCS  B 72   中华人民共和国国家标准 GB/T 14020—2024 代替 GB/T 14020—2006 2024-09-2 9发布 2025-04-0 1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      A.2     枞酸、去氢枞酸含量计算   ·······································································   8 附录B （资料性）    氢化松香气相色谱图及数据   ·······················································   9      B.1     色谱柱   ···························································································   9      B.2     普通氢化松香气相色谱图和数据   ································································   9      B.3     高度氢化松香气相色谱图和数据   ·······························································   10 GB/T 14020—2024     Ⅰ 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 定起草。 本文件代替GB/T 14020—2006《氢化松香》，与GB/T 14020—2006相比，除结构调整和编辑性 改动外，主要技术变化如下： 增加了氢化松香的术语和定义（见3.1），删除了普通氢化松香和高度氢化松香的术语和定义 （见2006年版的3.1、3.2）；— 增加了超高度氢化松香的技术指标（见表1）； — 颜色测定增加了加纳比色，删除了玻璃色块比色（见6.2.1，2006年版的表1、5.1.1）； — 增加了枞酸、去氢枞酸的气相色谱测定方法（见6.8）； — 删除了氧吸收量的技术指标和测定方法（见2006年版的表1、5.7）。 — 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别