標(biāo)準(zhǔn)解讀
《GB/T 14020-2024 氫化松香》是一項(xiàng)國(guó)家標(biāo)準(zhǔn),主要規(guī)定了氫化松香的技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則以及標(biāo)志、包裝、運(yùn)輸和貯存等方面的內(nèi)容。該標(biāo)準(zhǔn)適用于以松香為原料,經(jīng)過(guò)加氫反應(yīng)制得的氫化松香產(chǎn)品。
在技術(shù)要求部分,標(biāo)準(zhǔn)詳細(xì)描述了氫化松香應(yīng)達(dá)到的質(zhì)量指標(biāo),包括外觀、顏色、軟化點(diǎn)、酸值等關(guān)鍵參數(shù),并且對(duì)于不同用途或等級(jí)的產(chǎn)品設(shè)定了具體數(shù)值范圍。此外,還特別強(qiáng)調(diào)了對(duì)重金屬含量的限制,確保產(chǎn)品的安全性與環(huán)保性符合國(guó)家相關(guān)法律法規(guī)的要求。
關(guān)于試驗(yàn)方法,文件中列出了測(cè)定各項(xiàng)質(zhì)量指標(biāo)所需采用的具體操作步驟及儀器設(shè)備條件,如使用滴定法檢測(cè)酸值、利用環(huán)球法測(cè)量軟化點(diǎn)等。這些方法旨在保證測(cè)試結(jié)果準(zhǔn)確可靠,能夠真實(shí)反映樣品特性。
檢驗(yàn)規(guī)則方面,《GB/T 14020-2024》明確了抽樣方案、判定原則等內(nèi)容,指導(dǎo)生產(chǎn)企業(yè)如何進(jìn)行產(chǎn)品質(zhì)量控制;同時(shí),也為第三方檢測(cè)機(jī)構(gòu)提供了統(tǒng)一的操作規(guī)范,便于實(shí)施公正客觀的評(píng)估。
至于標(biāo)志、包裝、運(yùn)輸和貯存,則是對(duì)產(chǎn)品從生產(chǎn)到交付整個(gè)流程中的安全管理提出了要求。例如,在外包裝上需清晰標(biāo)注生產(chǎn)廠家信息、執(zhí)行標(biāo)準(zhǔn)編號(hào)、生產(chǎn)日期等重要數(shù)據(jù);選擇適合長(zhǎng)途運(yùn)輸且能有效防止污染的包裝材料;以及根據(jù)氫化松香的物理化學(xué)性質(zhì)采取相應(yīng)措施避免其在儲(chǔ)存期間發(fā)生變質(zhì)等情況。
如需獲取更多詳盡信息,請(qǐng)直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。
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- 2024-09-29 頒布
- 2025-04-01 實(shí)施
文檔簡(jiǎn)介
ICS
65.050
CCS
B72
中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)
GB/T14020—2024
代替GB/T14020—2006
氫化松香
Hydrogenatedrosin
2024-09-29發(fā)布2025-04-01實(shí)施
國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布
國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
GB/T14020—2024
目次
前言
·····································································································
Ⅲ
1
范圍
··································································································
1
2
規(guī)范性引用文件
······················································································
1
3
術(shù)語(yǔ)和定義
···························································································
1
4
技術(shù)要求
······························································································
1
5
取樣
··································································································
2
6
試驗(yàn)方法
······························································································
2
6.1
外觀測(cè)定
·························································································
2
6.2
顏色測(cè)定
·························································································
2
6.3
軟化點(diǎn)測(cè)定(環(huán)球法)
··········································································
3
6.4
酸值測(cè)定
·························································································
3
6.5
乙醇不溶物測(cè)定
·················································································
3
6.6
不皂化物測(cè)定
····················································································
3
6.7
樅酸、去氫樅酸的測(cè)定(紫外分光光度計(jì)法)
··················································
3
6.8
樅酸、去氫樅酸和四氫樹脂酸的測(cè)定(氣相色譜法)
··········································
4
7
檢驗(yàn)規(guī)則
······························································································
6
7.1
檢驗(yàn)分類
·························································································
6
7.2
批次劃分
·························································································
6
7.3
抽樣
······························································································
6
7.4
定級(jí)
······························································································
6
8
包裝、標(biāo)志、運(yùn)輸、貯存
············································································
6
8.1
包裝
······························································································
6
8.2
標(biāo)志
······························································································
6
8.3
運(yùn)輸
······························································································
6
8.4
貯存
······························································································
7
附錄A(資料性)
紫外分光光度計(jì)法測(cè)定樅酸和去氫樅酸的計(jì)算示例
······························
8
A.1
普通氫化松香的紫外吸收譜圖
··································································
8
A.2
樅酸、去氫樅酸含量計(jì)算
·······································································
8
附錄B(資料性)
氫化松香氣相色譜圖及數(shù)據(jù)
·······················································
9
B.1
色譜柱
···························································································
9
B.2
普通氫化松香氣相色譜圖和數(shù)據(jù)
································································
9
B.3
高度氫化松香氣相色譜圖和數(shù)據(jù)
·······························································
10
Ⅰ
GB/T14020—2024
前言
本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分:標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)
定起草。
本文件代替GB/T14020—2006《氫化松香》,與GB/T14020—2006相比,除結(jié)構(gòu)調(diào)整和編輯性
改動(dòng)外,主要技術(shù)變化如下:
—增加了氫化松香的術(shù)語(yǔ)和定義(見(jiàn)3.1),刪除了普通氫化松香和高度氫化松香的術(shù)語(yǔ)和定義
(見(jiàn)2006年版的3.1、3.2);
—增加了超高度氫化松香的技術(shù)指標(biāo)(見(jiàn)表1);
—顏色測(cè)定增加了加納比色,刪除了玻璃色塊比色(見(jiàn)6.2.1,2006年版的表1、5.1.1);
—增加了樅酸、去氫樅酸的氣相色譜測(cè)定方法(見(jiàn)6.8);
—?jiǎng)h除了氧吸收量的技術(shù)指標(biāo)和測(cè)定方法(見(jiàn)2006年版的表1、5.7)。
請(qǐng)注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專利的責(zé)任。
本文件由國(guó)家林業(yè)和草原局提出。
本文件由全國(guó)林化產(chǎn)品技術(shù)委員會(huì)(SAC/TC558)歸口。
本文件起草單位:中國(guó)林業(yè)科學(xué)研究院林產(chǎn)化學(xué)工業(yè)研究所、廣西梧州日成林產(chǎn)化工股份有限公
司、廣西鼎弘樹脂有限公司、廣西華林化工有限公司、恒河材料科技股份有限公司。
本文件主要起草人:高宏、王宏曉、侯文彪、李玉明、林克忠、韋日水、王斌。
本文件及其所代替文件的歷次版本發(fā)布情況為:
—1992年首次發(fā)布為GB/T14020—1992,2006年第一次修訂;
—本次為第二次修訂。
Ⅲ
GB/T14020—2024
氫化松香
1范圍
本文件規(guī)定了氫化松香的技術(shù)要求,描述了相應(yīng)的取樣、試驗(yàn)方法,并規(guī)定了檢驗(yàn)規(guī)則、包裝、標(biāo)
志、運(yùn)輸、貯存的要求。
本文件適用于氫化松香的生產(chǎn)、貿(mào)易、流通。
2規(guī)范性引用文件
下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文
件,僅該日期對(duì)應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用
于本文件。
GB/T6682分析實(shí)驗(yàn)室用水規(guī)格和試驗(yàn)方法
GB/T8145—2021脂松香
GB/T8146—2022松香試驗(yàn)方法
3術(shù)語(yǔ)和定義
下列術(shù)語(yǔ)和定義適用于本文件。
3.1
氫化松香hydrogenatedrosin
以脂松香為原料,在一定溫度和壓力下,采用鈀/炭等加氫催化劑,使松香樹脂酸的雙鍵部分或全
部被氫飽和而制得的一種無(wú)定形透明固體。
注:主要化學(xué)成分是二氫樹脂酸和四氫樹脂酸,分子式為C20H32O2和C20H34O2。
4技術(shù)要求
氫化松香的技術(shù)指標(biāo)應(yīng)符合表1的要求。
表1氫化松香技術(shù)指標(biāo)
指標(biāo)
項(xiàng)目普通氫化松香高度氫化松香超高度氫化松香
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