SIST EN ISO 1833-19:2013 PDF

Name: SIST EN ISO 1833-19:2013 — Textiles - Quantitative chemical analysis - Part 19: Mixtures of cellulose fibres and asbestos (method by heating) (ISO 1833-19:2006)
SKU: SIST EN ISO 1833-19:2013
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Textiles - Quantitative chemical analysis - Part 19: Mixtures of cellulose fibres and asbestos (method by heating) (ISO 1833-19:2006)

Название (английский):

SIST EN ISO 1833-19:2013

Textiles - Quantitative chemical analysis - Part 19: Mixtures of cellulose fibres and asbestos (method by heating) (ISO 1833-19:2006)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 28 июня 2013 г.
ICS:: 59.060.01
Технический комитет:: ITEK - Textile and textile products

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Описание (английский):

ISO 1833-19:2006 specifies a method, by heating, to determine the percentage of cellulosic fibre in textiles made of binary mixtures of cotton or regenerated cellulose and chrysotile and crocidolite asbestos. This method may be applicable to other types of asbestos, subject to agreement between the interested parties.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 1833-19:2010 (ISO 1833-19:2006) specifies a quantitative chemical analysis method for textiles composed of binary mixtures of cellulose fibres (cotton or regenerated cellulose) and asbestos (chrysotile and crocidolite). Known as the method by heating, the standard defines a thermogravimetric procedure to determine the percentage of cellulosic fibre in a sample. It is part of the ISO 1833 series on textiles - quantitative chemical analysis and is endorsed by CEN for use across member countries.

Key topics and technical requirements

Scope: Binary mixtures of cotton or regenerated cellulose with chrysotile and crocidolite asbestos; applicability to other asbestos types subject to agreement.

Safety: Take normal safety precautions to avoid inhalation of asbestos dust when cutting yarn or fabric.

Principle: Remove cellulosic fibres by heating a known dry mass at (450 ± 10) °C for 1 hour; weigh the inorganic residue and calculate cellulose content by difference.

Sample size and preparation:

Laboratory test specimens of about 5 g each.
Pre-treatment of the laboratory sample (as described in ISO 1833-1) is not applicable for this mixture.

Apparatus:

Weighing bottle, crucible and an electric furnace with automatic temperature control capable of maintaining 450 ± 10 °C.

Procedure: Determine dry mass, transfer to crucible, heat for 1 hour, cool in desiccator, weigh residue within 2 minutes of removal.

Calculations: Follow general instructions in ISO 1833-1; the document specifies a correction factor d = 1.02 for result expression.

Applications and users

EN ISO 1833-19 is practical for:

Textile testing laboratories performing chemical composition analysis of contaminated or composite textiles.

Manufacturers and quality-control teams verifying fibre content in legacy or specialty materials.

Regulatory bodies and inspection agencies assessing product labelling and compliance where asbestos content is a concern.

Occupational health and safety assessments and forensic investigations where quantifying cellulose versus asbestos fraction is required.

Typical use cases include determining the proportion of cellulosic fibre in protective clothing, industrial textiles, or recovered materials suspected of containing asbestos.

Related standards

ISO 1833-1 - Textiles - Quantitative chemical analysis: General principles of testing (normative reference).

EN/ISO 1833 series - other parts address quantitative analysis methods for different fibre mixtures (see ISO 1833 family for context).

Keywords: EN ISO 1833-19, ISO 1833-19:2006, textiles quantitative chemical analysis, cellulose fibres and asbestos, method by heating, chrysotile, crocidolite, furnace 450°C, textile testing.

SIST EN ISO 1833-19:2013 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

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