GB/T 2910.10-2009 English PDF
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GB/T 2910.10-2009: Textiles -- Quantitative chemical analysis -- Part 10: Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane)
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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 59.080.01 W 04 GB/T 2910.10-2009 / ISO 1833-10.2006 Partially replacing GB/T 2910-1997 Textiles - Quantitative chemical analysis - Part 10. Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane) (ISO 1833-10.2006, IDT) Issued on: JUNE 15, 2009 Implemented on: JANUARY 1, 2010 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration Committee.
Table of Contents
Foreword ... 3 1 Scope ... 6 2 Normative references ... 6 3 Principle... 6 4 Reagents ... 6 5 Apparatus ... 7 6 Test procedure ... 7 7 Calculation and expression of results ... 7 8 Precision... 8 - Part 16. Mixtures of polypropylene and certain other fibres (method using xylene); - Part 17. Mixtures of chlorofibers (homopolymers of vinyl chloride) and certain other fibers (method using sulfuric acid); - Part 18. Mixtures of silk and wool or hair (method using sulfuric acid); - Part 19. Mixtures of cellulose fibres and asbestos (method by heating); - Part 20. Mixtures of elastane and some other fibers (method of using dimethylacetamide); - Part 21. Mixtures of chlorofibers, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibers (method using cyclohexanone); - Part 22. Mixtures of viscose or certain types of cupro or modal or lyocell and flax of ramie fibres (method using formic acid and zinc chloride); - Part 23. Mixtures of polyethylene and polypropylene (method using cyclohexanone); - Part 24. Mixtures of polyester and some other fibers (method using phenol and tetrachloroethane); - Part 101. Mixtures of soybean protein composite fibre and certain other fibers. This Part is the 10th part of GB/T 2910. GB/T 2910-1997 is replaced by the following standards. GB/T 2910.1, GB/T 2910.3, GB/T 2910.4, GB/T 2910.6, GB/T 2910.7, GB/T 2910.8, GB/T 2910.9, GB/T 2910.10, GB/T 2910.11, GB/T 2910.12, GB/T 2910.13, GB/T 2910.14, GB/T 2910.15, GB/T 2910.16, GB/T 2910.17, GB/T 2910.18, GB/T 2910.19 and GB/T 2910.22. This Part identically uses ISO 1833-10.2006 Textiles - Quantitative chemical analysis - Part 10. Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane). Compared with ISO 1833-10.2006, this Part made the following editorial modifications. - used Chinese standards to replace the International standards in normative references; - deleted the foreword of ISO 1833-10.2006. Textiles - Quantitative chemical analysis - Part 10. Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane)1 Scope
This Part of GB/T 2910 specifies a method, using dichloromethane, to determine the percentage of triacetate, after removal of non-fibrous matter, in textiles made of binary mixtures of triacetate or polylactide and wool, regenerated protein, cotton (scoured, kiered, or bleached), viscose, cupro, modal, polyamide, polyester, acrylic and glass fibres. Triacetate fibres which have received a finish leading to partial hydrolysis cease to be completely soluble in the reagent. In such cases, this method is not applicable.2 Normative references
The following standards contain the provisions which, through reference in this part of GB/T 2910, constitute the provisions of this Part. For dated references, subsequent amendments (excluding corrections) or revisions do not apply to this Part. However, the parties who enter into agreement based on this Part are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Part. GB/T 2910.1, Textiles - Quantitative chemical analysis - Part 1. General principles of testing (GB/T 2910.1-2009, ISO 1833-1.2006, IDT)3 Principle
The triacetate fibre is dissolved out from a known dry mass of the mixture, with dichloromethane. The residue is collected, washed, dried and weighed; its mass, corrected if necessary, 1s expressed as a percentage of the dry mass of the mixture. The percentage of triacetate 1s found by the difference.4 Reagents
Use the reagents described in GB/T 2910.1 together with those given in 4.1. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
