標(biāo)準(zhǔn)解讀
《GB/T 5881-2024 苧麻理化性能試驗方法》作為一項新發(fā)布的國家標(biāo)準(zhǔn)，與之前一系列舊標(biāo)準(zhǔn)（包括《GB/T 5881-1986》至《GB/T 5889-1986》）相比，主要在以下幾個方面進(jìn)行了調(diào)整和更新：
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整合性增強(qiáng)：新標(biāo)準(zhǔn)將以往分散在多個標(biāo)準(zhǔn)中的內(nèi)容進(jìn)行了整合，形成了一部綜合性更強(qiáng)的標(biāo)準(zhǔn)文檔。這樣做不僅方便了使用者查閱，也提高了標(biāo)準(zhǔn)的系統(tǒng)性和實用性。
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測試方法的現(xiàn)代化：鑒于科技進(jìn)步和檢測技術(shù)的發(fā)展，新標(biāo)準(zhǔn)引入了更先進(jìn)的測試技術(shù)和方法，以提高測試精度和效率。這可能包括使用現(xiàn)代儀器設(shè)備進(jìn)行分析，以及采用新的數(shù)據(jù)處理手段。
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指標(biāo)更新：針對苧麻理化性能的評估指標(biāo)，新標(biāo)準(zhǔn)可能根據(jù)行業(yè)需求和科學(xué)研究進(jìn)展，對某些指標(biāo)的測定方法或合格判定標(biāo)準(zhǔn)進(jìn)行了修訂，確保指標(biāo)的科學(xué)性和適用性。
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規(guī)范性增強(qiáng)：新標(biāo)準(zhǔn)在表述上更加嚴(yán)謹(jǐn)規(guī)范，對實驗條件、操作步驟、結(jié)果判定等方面給出了更詳細(xì)明確的指導(dǎo)，減少了執(zhí)行過程中的歧義，提升了實驗結(jié)果的一致性和可比性。
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環(huán)保與安全要求：考慮到可持續(xù)發(fā)展和安全生產(chǎn)的重要性，新標(biāo)準(zhǔn)可能加入了環(huán)境保護(hù)和操作安全的相關(guān)要求，指導(dǎo)企業(yè)在進(jìn)行理化性能測試時采取更為環(huán)保和安全的措施。
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國際接軌：為了適應(yīng)全球化貿(mào)易的需求，新標(biāo)準(zhǔn)在制定過程中可能會參考國際上的先進(jìn)標(biāo)準(zhǔn)和實踐，力求與國際標(biāo)準(zhǔn)相協(xié)調(diào)，促進(jìn)產(chǎn)品的國際認(rèn)可度和競爭力。
如需獲取更多詳盡信息，請直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。
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- 2024-07-24 頒布
- 2025-02-01 實施
文檔簡介
ICS
59.060.10
CCS
W30
中華人民共和國國家標(biāo)準(zhǔn)
GB/T5881—2024
代替GB/T5881～5889—1986
苧麻理化性能試驗方法
Testmethodsforphysicalandchemicalpropertiesoframiefiber
2024-07-24發(fā)布2025-02-01實施
國家市場監(jiān)督管理總局發(fā)布
國家標(biāo)準(zhǔn)化管理委員會
GB/T5881—2024
目次
前言
·····································································································
Ⅴ
1
范圍
··································································································
1
2
規(guī)范性引用文件
······················································································
1
3
術(shù)語和定義
···························································································
1
4
取樣
··································································································
1
4.1
批樣
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1
4.2
實驗室樣品
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2
4.3
試驗樣品
·························································································
2
5
回潮率和含水率
······················································································
4
5.1
原理
······························································································
4
5.2
儀器和用具
······················································································
4
5.3
試驗步驟
·························································································
4
5.4
結(jié)果計算與表示
·················································································
4
5.5
試驗報告
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5
6
白度
··································································································
5
6.1
原理
······························································································
5
6.2
儀器和用具
······················································································
5
6.3
試驗步驟
·························································································
5
6.4
結(jié)果計算與表示
·················································································
6
6.5
試驗報告
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6
7
長度
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6
7.1
預(yù)調(diào)濕和試驗用標(biāo)準(zhǔn)大氣
········································································
6
7.2
儀器和用具
······················································································
7
7.3
試驗步驟
·························································································
7
7.4
結(jié)果計算與表示
·················································································
8
7.5
試驗報告
·························································································
9
8
線密度
································································································
9
8.1
原理
······························································································
9
8.2
試驗條件
·························································································
9
8.3
儀器和用具
······················································································
9
8.4
試驗步驟
·························································································
9
8.5
結(jié)果計算與表示
················································································
10
8.6
試驗報告
························································································
10
9
單纖維斷裂強(qiáng)度、單纖維斷裂伸長率
·······························································
11
Ⅰ
GB/T5881—2024
9.1
原理
·····························································································
11
9.2
試驗條件
························································································
11
9.3
儀器和用具
·····················································································
11
9.4
試驗步驟
························································································
11
9.5
結(jié)果計算與表示
················································································
12
9.6
試驗報告
························································································
13
10
束纖維斷裂強(qiáng)度
····················································································
13
10.1
原理
···························································································
13
10.2
試驗條件
······················································································
13
10.3
儀器和用具
····················································································
13
10.4
試驗步驟
······················································································
14
10.5
結(jié)果計算與表示
···············································································
14
10.6
試驗報告
······················································································
15
11
化學(xué)成分定量分析
·················································································
15
11.1
原理
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15
11.2
試劑
···························································································
15
11.3
儀器設(shè)備
······················································································
16
11.4
試驗步驟
······················································································
16
11.5
結(jié)果計算與表示
···············································································
17
11.6
試驗報告
······················································································
18
12
灰分含量
···························································································
18
12.1
原理
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18
12.2
儀器設(shè)備
······················································································
19
12.3
試驗步驟
······················································································
19
12.4
結(jié)果計算與表示
···············································································
19
12.5
試驗報告
······················································································
19
13
纖維素聚合度
······················································································
19
13.1
原理
···························································································
19
13.2
試劑或材料
····················································································
20
13.3
儀器設(shè)備
······················································································
20
13.4
試驗步驟
······················································································
20
13.5
結(jié)果計算與表示
···············································································
21
13.6
試驗報告
······················································································
22
14
原麻含膠率
·························································································
22
14.1
原理
···························································································
22
14.2
試劑
···························································································
22
14.3
儀器設(shè)備
······················································································
22
Ⅱ
GB/T5881—2024
14.4
試驗步驟
······················································································
23
14.5
結(jié)果計算與表示
···············································································
23
14.6
試驗報告
······················································································
23
15
精干麻殘膠率
······················································································
23
15.1
原理
···························································································
23
15.2
試劑
···························································································
23
15.3
儀器設(shè)備
······················································································
24
15.4
試驗步驟
······················································································
24
15.5
結(jié)果計算與表示
···············································································
24
15.6
試驗報告
······················································································
24
附錄A（規(guī)范性）
測定苧麻纖維素聚合度用ηr與[η]?C換算表
·····································
25
參考文獻(xiàn)
································································································
29
Ⅲ
GB/T5881—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/T5881—1986《苧麻理化性能試驗取樣方法》、GB/T5882—1986《苧麻束纖維斷裂強(qiáng)
度試驗方法》、GB/T5883—1986《苧麻回潮率、含水率試驗方法》、GB/T5884—1986《苧麻纖維支數(shù)試
驗方法》、GB/T5885—1986《苧麻纖維白度試驗方法》、GB/T5886—1986《苧麻單纖維斷裂強(qiáng)度試驗方
法》、GB/T5887—1986《苧麻纖維長度試驗方法》、GB/T5888—1986《苧麻纖維素聚合度測定方法》、
GB/T5889—1986《苧麻化學(xué)成分定量分析方法》，與GB/T5881—1986、GB/T5882—1986、
GB/T5883—1986、GB/T5884—1986、GB/T5885—1986、GB/T5886—1986、GB/T5887—1986、
GB/T5888—1986、GB/T5889—1986相比，除結(jié)構(gòu)調(diào)整和編輯性改動外，主要技術(shù)變化如下：
a）更改了范圍（見第1章）；
b）增加了術(shù)語和定義（見第3章）；
c）更改了苧麻原麻、精干麻、苧麻球、開松麻、落麻的取樣方法、取樣數(shù)量的規(guī)定，細(xì)化了取樣
步驟（見第4章，1986年版GB/T5881的第2章、第3章、第4章、第5章）；
d）更改了回潮率和含水率試驗中樣品達(dá)到恒重條件的測試方法，增加了樣品的烘燥時間、數(shù)值修
約（見第5章，1986年版GB/T5883的第5章）；
e）更改了白度試驗樣品制備的方法、試驗次數(shù)、樣品質(zhì)量；增加了白度變異系數(shù)計算公式（見第
6章，1986年版GB/T5885的第5章、第6章）；
f）更改了長度試驗的儀器設(shè)備及參數(shù)、測試方法及計算公式、結(jié)果計算與表示（見第7章，1986年
版GB/T5887的第4章、第5章、第6章）；
g）更改了線密度試驗的測試方法及計算公式（見第8章，1986年版GB/T5884的第5章、第6章）；
h）更改了單纖維斷裂強(qiáng)度試驗的儀器設(shè)備及參數(shù)、測試方法及計算公式、結(jié)果計算與表示（見第
9章，1986年版GB/T5886的第4章、第5章、第6章）；
i）更改了束纖維斷裂強(qiáng)度試驗的儀器設(shè)備及參數(shù)、測試方法及計算公式、結(jié)果計算與表示（見第
10章，1986年版GB/T5882的第4章、第5章、第6章）；
j）更改了化學(xué)成分定量分析方法試驗的儀器設(shè)備及參數(shù)、測試方法及計算公式、結(jié)果計算與表示
（見第11章，1986年版GB/T5889的第4章、第5章）；
k）更改了纖維聚合度試驗的儀器設(shè)備及參數(shù)、測試方法及計算公式、結(jié)果計算與表示（見第
13章，1986年版GB/T5888的第4章、第5章、第6章）。
請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)識別專利的責(zé)任。
本文件由全國纖維標(biāo)準(zhǔn)化技術(shù)委員會（SAC/TC513）提出并歸口。
本文件起草單位：湖南省纖維檢測研究院、四川省纖維檢驗局、東華大學(xué)、中國纖維質(zhì)量監(jiān)測中
心、四川梓潼林江苧麻紡織有限責(zé)任公司、湖北省纖維檢驗局咸寧分局、常德市纖維質(zhì)量監(jiān)測中心、
湖南華升股份有限公司、湖南工程學(xué)院、黑龍江省科學(xué)院大慶分院。
本文件主要起草人：胡小蓉、孫近、李嫻、徐貴勇、甘丹、舒桂芳、曹巧麗、張祚、趙瑞方、
張斌、杜龍、熊海鷹、郁崇文、劉芳、陳玲玲、唐文峰、陳雯、劉思婕、高書景、周衡書、余丹瑤、
吳大紅、孫宇峰、肖湘。
本文件及其所代替文件的歷次版本發(fā)布情況為：
Ⅴ
GB/T5881—2024
—1986年首次發(fā)布為GB/T5881—1986、GB/T5882—1986、GB/T5883—1986、GB/T58
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