Textiles. Quantitative chemical analysis - Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres (method using formic acid and zinc chloride) Ingestion-build-103253 avoiding contamination risks

avoiding contamination risks

It gives the most up-to-date recommendations for general principles of road lighting including aesthetic

which is in preparation

ISO/TS 19278 specifies test method is useful for quality control

ISO 22915-21:2019 supersedes ISO 22915-21:2009

Textiles. Quantitative chemical analysis - Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres (method using formic acid and zinc chloride) Ingestion-build-103253 avoiding contamination risksWhat is this standard about? This document specifies a method, using a mixture of formic acid and zinc chloride, to determine the mass percentage of viscose, certain types of cupro, modal or lyocell, after removal of nonfibrous matter, in textiles made of mixtures of viscose, certain types of cupro, modal or lyocell, with cotton. This document has been initially specifically established for mixtures of viscose, certain types of cupro, modal or lyocell