GB/T 2912.2-2009 in English

VALID

Textiles—Determination of formaldehyde—Part 2:Released formaldehyde(vapour absorption method)

Issued on:2009-06-11
Implemented on:2010-01-01
File Format:PDF
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Standard No:	GB/T 2912.2-2009
Document status:	VALID
Title in English:	Textiles—Determination of formaldehyde—Part 2:Released formaldehyde(vapour absorption method)
Title in Chinese:	纺织品甲醛的测定第2部分：释放的甲醛（蒸汽吸收法）
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2009-06-11
Implemented on:	2010-01-01
Superseding:	GB/T 2912.2-1998 Textiles--Determination of formaldehyde--Part 2:Released formaldehyde (Vapour absorption method)
ICS Classification:	59.080.01-Textiles in general
Chinese Classification:	W04-Basic standards and general methods
Professional Classification:	GB-National Standard
Related Keywords:	vapour absorption method formaldehyde part formaldehyde stock solution formaldehyde standard solution iodometric method appendix c
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《GB/T 2912.2-2009纺织品甲醛的测定第2部分：释放的甲醛（蒸汽吸收法）》由TC209（全国纺织品标准化技术委员会）归口，TC209SC1（全国纺织品标准化技术委员会基础标准分会）执行，主管部门为中国纺织工业联合会。
GB/T2912的本部分规定了任何状态的纺织品在加速储存条件下用蒸汽吸收法测定释放甲醛含量的方法。
本部分适用于释放甲醛含量为20mg/kg到3500mg/kg之间的纺织品。检出限为20mg/kg。低于检出限的结果报告为未检出。

This Part of GB/T 2912 specifies a method for determining the amount of formaldehyde released under the conditions of accelerated storage from textiles in any form by means of a vapour absorption method.
This Part is intended for use in the range of releasable formaldehyde on the fabric between 20 mg/kg and 3500 mg/kg. The detection limit is 20 mg/kg. Below this limit the result is reported as "not-detectable".

Foreword I
1 Scope
2 Normative References
3 Principle
4 Reagents
5 Apparatus
6 Preparation of Formaldehyde Standard Solution and Calibration
7 Sample Preparation
8 Operation Procedures
9 Calculation and Expression Mode of Results
10 Test Report
Appendix A (Normative) Calibration of Formaldehyde Stock Solution - Sodium Sulfite Method
Appendix B (Normative) Calibration of Formaldehyde Stock Solution - Iodometric Method
Appendix C (Informative) Alternative Operation Procedure Using Chromotropic Acid In Place of Acetylacetone
Appendix D (Informative) Information on Accuracy of the Test

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