ISO 1833-18:2020 PDF

Name: ISO 1833-18:2020 — Textiles — Quantitative chemical analysis — Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid)
SKU: ISO 1833-18:2020
Price: 25 EUR
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Textiles — Quantitative chemical analysis — Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid)

Название (английский):

ISO 1833-18:2020

Textiles — Quantitative chemical analysis — Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 5 октября 2020 г.
Издание:: ISO IS 1833 edition 3 version 1
ICS:: 59.060.01

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Описание (английский):

This document specifies a method, using sulfuric acid, to determine the mass percentage of silk, after removal of non-fibrous matter, in textiles made of mixtures of — silk with — wool or other animal hair.

Abstract

Overview

Key Topics

Scope: Defines the scope focused on textiles made by mixing silk with wool or other animal hairs and specifies the use of sulfuric acid for analysis.
Principle: Silk fibers dissolve in 75% sulfuric acid; residues left after dissolution are weighed to calculate silk content by difference.
Reagents: Utilizes specific concentrations of sulfuric acid (75%) along with dilute sulfuric acid and ammonia solutions for processing and washing.
Apparatus: Requires glass-stoppered conical flasks and filtration equipment aligned with general ISO 1833 series apparatus.
Test Procedure: Involves treating a textile specimen with sulfuric acid, shaking and standing periods, filtration, washing with reagents, drying, and weighing residues.
Calculation: Results are calculated using established formulas consistent with ISO 1833-1 general principles, including correction factors.
Precision: The standard guarantees a confidence level of 95% with results accurate within ±1 percentage point on homogeneous textile mixtures.
Updates in 2020 Edition: Title change for clarity; refined scope specifying "wool or other animal hair" instead of generic “other protein fibers.”

Applications

ISO 1833-18:2020 serves a critical role across multiple sectors within textiles, including:

Textile Manufacturing: Ensures accurate measurement of silk content in blended fibers, facilitating product quality control and consistency.
Quality Assurance Laboratories: Enables routine laboratory testing for fiber composition verification in raw materials, intermediate fabrics, and finished products.
Regulatory Compliance: Supports adherence to textile labeling laws and standards by verifying fiber content according to international benchmarks.
Research and Development: Aids in material science studies concerning fiber blend behavior, textile durability, and performance characteristics by providing precise composition data.
Trade and Certification: Assists importers, exporters, and certification bodies in validating claims about silk proportions to maintain transparency and trust across supply chains.

Related Standards

ISO 1833-1: General principles of quantitative chemical analysis of textiles, providing the foundational procedures referenced by ISO 1833-18.
ISO 1833 Series: A comprehensive set of standards for quantitative analysis of various textile fiber mixtures.
ISO 1833-4: Specifies quantitative chemical analysis for mixtures of certain protein fibers using a hypochlorite method, complementary to the sulfuric acid approach.
ISO/IEC Directives: Guides the development and maintenance of ISO standards, ensuring procedural consistency and quality.
CEN/TC 248: European Committee for Standardization counterpart collaborating on textile standards development akin to ISO/TC 38.

Adhering to ISO 1833-18:2020 brings enhanced accuracy and international harmonization to the chemical analysis of silk-wool and silk-animal hair mixtures, supporting robust quality control and effective communication within the global textile industry. For comprehensive details, stakeholders should refer to the official publication from ISO and consult their national standards bodies.

Технические детали

Технический комитет: ISO/TC 38 - Textiles
SKU: ISO 1833-18:2020

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