ISO 5089:1977 PDF

Name: ISO 5089:1977 — Textiles — Preparation of laboratory test samples and test specimens for chemical testing
SKU: ISO 5089:1977
Price: 25 EUR
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Textiles — Preparation of laboratory test samples and test specimens for chemical testing

Название (английский):

ISO 5089:1977

Textiles — Preparation of laboratory test samples and test specimens for chemical testing

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 1 октября 1977 г.
Издание:: ISO IS 5089 edition 1 version 1
ICS:: 59.080.01

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Описание (английский):

Specifies methods of obtaining laboratory test samples of textile materials from laboratory bulk samples taken from a bulk source, and gives general directions for the preparation of test specimens of convenient size for chemical tests. Definitions in relating to bulk source, laboratory bulk sample, laboratory test sample and test specimen are given.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 5089:1977 - Textiles - Preparation of laboratory test samples and test specimens for chemical testing - defines standardized methods for obtaining laboratory test samples and preparing test specimens from a previously taken laboratory bulk sample. It clarifies terminology (bulk source, laboratory bulk sample, laboratory test sample, test specimen) and gives practical procedures for sampling loose fibres, oriented fibres, yarn, fabric and made-up articles prior to chemical analysis.

Key topics and technical requirements

Definitions and scope: Clear definitions of bulk source, laboratory bulk sample, laboratory test sample and test specimen to ensure consistency in sampling for chemical testing.

Sampling principles: Laboratory test samples must be representative of the laboratory bulk sample; the method estimates mean chemical levels rather than local variability.

Loose fibres:

Non‑oriented fibres: spread and take at random a minimum number of tufts (document cites minimum 100 tufts) to reach the required laboratory test sample mass.
Oriented fibres (card webs, slivers, rovings): take multiple cross-sections (document specifies not less than ten cross-sections of approx. 1.0 g) and combine them to form the laboratory test sample.

Yarn sampling:

If the number of packages ≤ 25, sample all; if > 25, take 25 packages at random.
Combine equal-length portions from each package (skeleton skeins/tows) so each test specimen contains material from every package.

Fabric sampling:

Methods for full-width cuttings, diagonal strips, combining halves and handling patterned or asymmetric designs.
Guidance for cuttings ≤ 1 m and > 1 m, and how to ensure representative sampling when design repeats or asymmetric patterns occur.

Made-up articles: Treat whole article or representative parts as the laboratory bulk sample; determine whether parts differ in composition and sample separately if needed.

Test report requirements: The test report must state that sampling followed ISO 5089 and include sizes of the laboratory bulk sample, laboratory test sample and test specimen.

Practical applications

Quality control and acceptance testing in textile manufacturing

Preparation steps for laboratory chemical analyses (dye content, finish residues, pH, additives)

Ensuring comparability and traceability of test results across laboratories

Useful for textile test houses, QC laboratories, manufacturers, researchers and regulatory bodies involved in textile chemical testing

ISO 5089:1977 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Related standards

Технические детали

SIST EN ISO 5089:2016

Textiles - Preparation of laboratory test samples and test specimens for chemical testing (ISO 5089:1977)

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