標(biāo)準(zhǔn)解讀

《GB/T 5881-2024 苧麻理化性能試驗(yàn)方法》作為一項(xiàng)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(gè)方面進(jìn)行了調(diào)整和更新:

  1. 整合性增強(qiáng):新標(biāo)準(zhǔn)將以往分散在多個(gè)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(shí)用性。

  2. 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。

  3. 指標(biāo)更新:針對苧麻理化性能的評(píng)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。

  4. 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(shí)驗(yàn)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(shí)驗(yàn)結(jié)果的一致性和可比性。

  5. 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(shí)采取更為環(huán)保和安全的措施。

  6. 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(huì)參考國際上的先進(jìn)標(biāo)準(zhǔn)和實(shí)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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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(yàn)方法

Testmethodsforphysicalandchemicalpropertiesoframiefiber

2024-07-24發(fā)布2025-02-01實(shí)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(huì)

GB/T5881—2024

目次

前言

·····································································································

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

······························································································

1

4.2

實(shí)驗(yàn)室樣品

······················································································

2

4.3

試驗(yàn)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(yàn)步驟

·························································································

4

5.4

結(jié)果計(jì)算與表示

·················································································

4

5.5

試驗(yàn)報(bào)告

·························································································

5

6

白度

··································································································

5

6.1

原理

······························································································

5

6.2

儀器和用具

······················································································

5

6.3

試驗(yàn)步驟

·························································································

5

6.4

結(jié)果計(jì)算與表示

·················································································

6

6.5

試驗(yàn)報(bào)告

·························································································

6

7

長度

··································································································

6

7.1

預(yù)調(diào)濕和試驗(yàn)用標(biāo)準(zhǔn)大氣

········································································

6

7.2

儀器和用具

······················································································

7

7.3

試驗(yàn)步驟

·························································································

7

7.4

結(jié)果計(jì)算與表示

·················································································

8

7.5

試驗(yàn)報(bào)告

·························································································

9

8

線密度

································································································

9

8.1

原理

······························································································

9

8.2

試驗(yàn)條件

·························································································

9

8.3

儀器和用具

······················································································

9

8.4

試驗(yàn)步驟

·························································································

9

8.5

結(jié)果計(jì)算與表示

················································································

10

8.6

試驗(yàn)報(bào)告

························································································

10

9

單纖維斷裂強(qiáng)度、單纖維斷裂伸長率

·······························································

11

GB/T5881—2024

9.1

原理

·····························································································

11

9.2

試驗(yàn)條件

························································································

11

9.3

儀器和用具

·····················································································

11

9.4

試驗(yàn)步驟

························································································

11

9.5

結(jié)果計(jì)算與表示

················································································

12

9.6

試驗(yàn)報(bào)告

························································································

13

10

束纖維斷裂強(qiáng)度

····················································································

13

10.1

原理

···························································································

13

10.2

試驗(yàn)條件

······················································································

13

10.3

儀器和用具

····················································································

13

10.4

試驗(yàn)步驟

······················································································

14

10.5

結(jié)果計(jì)算與表示

···············································································

14

10.6

試驗(yàn)報(bào)告

······················································································

15

11

化學(xué)成分定量分析

·················································································

15

11.1

原理

···························································································

15

11.2

試劑

···························································································

15

11.3

儀器設(shè)備

······················································································

16

11.4

試驗(yàn)步驟

······················································································

16

11.5

結(jié)果計(jì)算與表示

···············································································

17

11.6

試驗(yàn)報(bào)告

······················································································

18

12

灰分含量

···························································································

18

12.1

原理

···························································································

18

12.2

儀器設(shè)備

······················································································

19

12.3

試驗(yàn)步驟

······················································································

19

12.4

結(jié)果計(jì)算與表示

···············································································

19

12.5

試驗(yàn)報(bào)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(yàn)步驟

······················································································

20

13.5

結(jié)果計(jì)算與表示

···············································································

21

13.6

試驗(yàn)報(bào)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

GB/T5881—2024

14.4

試驗(yàn)步驟

······················································································

23

14.5

結(jié)果計(jì)算與表示

···············································································

23

14.6

試驗(yàn)報(bào)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(yàn)步驟

······················································································

24

15.5

結(jié)果計(jì)算與表示

···············································································

24

15.6

試驗(yàn)報(bào)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

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(yàn)取樣方法》、GB/T5882—1986《苧麻束纖維斷裂強(qiáng)

度試驗(yàn)方法》、GB/T5883—1986《苧麻回潮率、含水率試驗(yàn)方法》、GB/T5884—1986《苧麻纖維支數(shù)試

驗(yàn)方法》、GB/T5885—1986《苧麻纖維白度試驗(yàn)方法》、GB/T5886—1986《苧麻單纖維斷裂強(qiáng)度試驗(yàn)方

法》、GB/T5887—1986《苧麻纖維長度試驗(yàn)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(dòng)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(yàn)中樣品達(dá)到恒重條件的測試方法,增加了樣品的烘燥時(shí)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(yàn)樣品制備的方法、試驗(yàn)次數(shù)、樣品質(zhì)量;增加了白度變異系數(shù)計(jì)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(yàn)的儀器設(shè)備及參數(shù)、測試方法及計(jì)算公式、結(jié)果計(jì)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(yàn)的測試方法及計(jì)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(yàn)的儀器設(shè)備及參數(shù)、測試方法及計(jì)算公式、結(jié)果計(jì)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(yàn)的儀器設(shè)備及參數(shù)、測試方法及計(jì)算公式、結(jié)果計(jì)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(yàn)的儀器設(shè)備及參數(shù)、測試方法及計(jì)算公式、結(jié)果計(jì)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(yàn)的儀器設(shè)備及參數(shù)、測試方法及計(jì)算公式、結(jié)果計(jì)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(shí)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(huì)(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(yàn)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(yàn)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:

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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