GB/T 5881-2024苧麻理化性能試驗方法

ICS

59.060.10

CCS

W30

中華人民共和國國家標準

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

國家標準化管理委員會

GB/T5881—2024

目次

前言

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Ⅴ

1

范圍

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2

規(guī)范性引用文件

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1

3

術(shù)語和定義

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1

4

取樣

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4.1

批樣

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4.2

實驗室樣品

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2

4.3

試驗樣品

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2

5

回潮率和含水率

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5.1

原理

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5.2

儀器和用具

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4

5.3

試驗步驟

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4

5.4

結(jié)果計算與表示

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4

5.5

試驗報告

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5

6

白度

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6.1

原理

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6.2

儀器和用具

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5

6.3

試驗步驟

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5

6.4

結(jié)果計算與表示

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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)濕和試驗用標準大氣

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6

7.2

儀器和用具

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7

7.3

試驗步驟

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7

7.4

結(jié)果計算與表示

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8

7.5

試驗報告

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9

8

線密度

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8.1

原理

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9

8.2

試驗條件

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8.3

儀器和用具

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9

8.4

試驗步驟

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9

8.5

結(jié)果計算與表示

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10

8.6

試驗報告

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10

9

單纖維斷裂強度、單纖維斷裂伸長率

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Ⅰ

GB/T5881—2024

9.1

原理

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11

9.2

試驗條件

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9.3

儀器和用具

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11

9.4

試驗步驟

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11

9.5

結(jié)果計算與表示

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12

9.6

試驗報告

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13

10

束纖維斷裂強度

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13

10.1

原理

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13

10.2

試驗條件

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13

10.3

儀器和用具

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13

10.4

試驗步驟

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14

10.5

結(jié)果計算與表示

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14

10.6

試驗報告

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11

化學(xué)成分定量分析

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11.1

原理

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15

11.2

試劑

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15

11.3

儀器設(shè)備

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11.4

試驗步驟

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16

11.5

結(jié)果計算與表示

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17

11.6

試驗報告

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12

灰分含量

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12.1

原理

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18

12.2

儀器設(shè)備

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12.3

試驗步驟

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19

12.4

結(jié)果計算與表示

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19

12.5

試驗報告

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13

纖維素聚合度

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13.1

原理

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19

13.2

試劑或材料

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13.3

儀器設(shè)備

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20

13.4

試驗步驟

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20

13.5

結(jié)果計算與表示

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21

13.6

試驗報告

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14

原麻含膠率

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22

14.1

原理

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22

14.2

試劑

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22

14.3

儀器設(shè)備

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Ⅱ

GB/T5881—2024

14.4

試驗步驟

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23

14.5

結(jié)果計算與表示

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23

14.6

試驗報告

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23

15

精干麻殘膠率

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23

15.1

原理

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23

15.2

試劑

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23

15.3

儀器設(shè)備

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24

15.4

試驗步驟

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24

15.5

結(jié)果計算與表示

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24

15.6

試驗報告

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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

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25

參考文獻

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29

Ⅲ

GB/T5881—2024

前言

本文件按照GB/T1.1—2020《標準化工作導(dǎo)則第1部分：標準化文件的結(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

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)布機構(gòu)不承擔(dān)識別專利的責(zé)任。

本文件由全國纖維標準化技術(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