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GB/T 2910.6-2009: Textiles -- Quantitative chemical analysis -- Part 6: Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibers (method using formic acid and zinc chloride) Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 2910.6-2009: Textiles -- Quantitative chemical analysis -- Part 6: Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibers (method using formic acid and zinc chloride)---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2910.6-2009 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 59.080.01 W 04 GB/T 2910.6-2009 / ISO 1833-6.2007 Partially replacing GB/T 2910-1997 Textiles - Quantitative chemical analysis - Part 6. Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres (method using formic acid and zinc chloride) (ISO 1833-6.2007, 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 ContentsForeword ... 3 1 Scope ... 6 2 Normative references ... 6 3 Principle... 7 4 Reagents ... 7 5 Apparatus ... 7 6 Test procedure ... 7 7 Calculation and expression of results ... 8 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 6th 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 1833-6.2007 Textiles - Quantitative chemical analysis - Part 6. Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres (method using formic acid and zinc chloride). Compared with ISO 1833-6.2007, this Part made the following editorial modifications. - used Chinese standards to replace the International standards in normative references; - deleted the foreword of ISO 1833-6.2007. Textiles - Quantitative chemical analysis - Part 6. Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres (method using formic acid and zinc chloride)1 ScopeThis part of GB/T 2910 specifies a method, using a mixture of formic acid and zinc chloride, to determine the percentage of cotton, after removal of non- fibrous matter, in textiles made of binary mixtures of viscose or some cupro, modal and lyocell fibres with cotton. If a cupro or modal or lyocell fibre is found to be present, a preliminary test is carried out to see whether it is soluble in the reagent. The method is not applicable to mixtures in which the cotton has suffered extensive chemical degradation, nor when the viscose, cupro, modal or lyocell fibre is rendered incompletely soluble by the presence of certain permanent finishes or reactive dyes that cannot be removed completely. WARNING - This Part of GB/T 2910 calls for the use of substances/procedures that may be injurious to the health/environment if appropriate conditions are not observed. It refers only to technical suitability and does not absolve the user from legal obligations relating to health and safety/environment at any stage.2 Normative referencesThe 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) ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 2910.6-2009 be delivered?Answer: The full copy PDF of English version of GB/T 2910.6-2009 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 2910.6-2009_English with my colleagues?Answer: Yes. 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