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  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

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