标准解读
《GB/T 14020-2024 氢化松香》是一项国家标准,主要规定了氢化松香的技术要求、试验方法、检验规则以及标志、包装、运输和贮存等方面的内容。该标准适用于以松香为原料,经过加氢反应制得的氢化松香产品。
在技术要求部分,标准详细描述了氢化松香应达到的质量指标,包括外观、颜色、软化点、酸值等关键参数,并且对于不同用途或等级的产品设定了具体数值范围。此外,还特别强调了对重金属含量的限制,确保产品的安全性与环保性符合国家相关法律法规的要求。
关于试验方法,文件中列出了测定各项质量指标所需采用的具体操作步骤及仪器设备条件,如使用滴定法检测酸值、利用环球法测量软化点等。这些方法旨在保证测试结果准确可靠,能够真实反映样品特性。
检验规则方面,《GB/T 14020-2024》明确了抽样方案、判定原则等内容,指导生产企业如何进行产品质量控制;同时,也为第三方检测机构提供了统一的操作规范,便于实施公正客观的评估。
至于标志、包装、运输和贮存,则是对产品从生产到交付整个流程中的安全管理提出了要求。例如,在外包装上需清晰标注生产厂家信息、执行标准编号、生产日期等重要数据;选择适合长途运输且能有效防止污染的包装材料;以及根据氢化松香的物理化学性质采取相应措施避免其在储存期间发生变质等情况。
如需获取更多详尽信息,请直接参考下方经官方授权发布的权威标准文档。
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- 2024-09-29 颁布
- 2025-04-01 实施
文档简介
ICS
65.050
CCS
B72
中华人民共和国国家标准
GB/T14020—2024
代替GB/T14020—2006
氢化松香
Hydrogenatedrosin
2024-09-29发布2025-04-01实施
国家市场监督管理总局发布
国家标准化管理委员会
GB/T14020—2024
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
Ⅰ
GB/T14020—2024
前言
本文件按照GB/T1.1—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/T14020—2006《氢化松香》,与GB/T14020—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专利的责任。
本文件由国家林业和草原局提出。
本文件由全国林化产品技术委员会(SAC/TC558)归口。
本文件起草单位:中国林业科学研究院林产化学工业研究所、广西梧州日成林产化工股份有限公
司、广西鼎弘树脂有限公司、广西华林化工有限公司、恒河材料科技股份有限公司。
本文件主要起草人:高宏、王宏晓、侯文彪、李玉明、林克忠、韦日水、王斌。
本文件及其所代替文件的历次版本发布情况为:
—1992年首次发布为GB/T14020—1992,2006年第一次修订;
—本次为第二次修订。
Ⅲ
GB/T14020—2024
氢化松香
1范围
本文件规定了氢化松香的技术要求,描述了相应的取样、试验方法,并规定了检验规则、包装、标
志、运输、贮存的要求。
本文件适用于氢化松香的生产、贸易、流通。
2规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文
件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用
于本文件。
GB/T6682分析实验室用水规格和试验方法
GB/T8145—2021脂松香
GB/T8146—2022松香试验方法
3术语和定义
下列术语和定义适用于本文件。
3.1
氢化松香hydrogenatedrosin
以脂松香为原料,在一定温度和压力下,采用钯/炭等加氢催化剂,使松香树脂酸的双键部分或全
部被氢饱和而制得的一种无定形透明固体。
注:主要化学成分是二氢树脂酸和四氢树脂酸,分子式为C20H32O2和C20H34O2。
4技术要求
氢化松香的技术指标应符合表1的要求。
表1氢化松香技术指标
指标
项目普通氢化松香高度氢化松香超高度氢化松香
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