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ISO 7554-3:2026 Surgical instruments — Terms, measuring methods and test methods — Part 3: Test methods

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ISO 41002:2026 Facility management — Development of the facility management organization

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ISO 39004:2026 Road traffic safety — Good practice for service providers using digital platform

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ISO 20921:2019

ISO 20921:2019 Textiles – Determination of stable nitrogen isotope ratio in cotton fibres

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Description

This document specifies the determination of the ratio of nitrogen isotopes in cotton fibres that are used for textile production. It applies not only to cotton textiles but also to raw cotton taken from cotton fields.

Edition

1

Published Date

2019-01-31

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the determination of the ratio of nitrogen isotopes in cotton fibres that are used for textile production. It applies not only to cotton textiles but also to raw cotton taken from cotton fields.

Previous Editions

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