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 Instock Footwear Suppliers’ Association

Instock Footwear Suppliers’ Association

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

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

specifies how to refine the information developed in accordance with IEC 61508-1

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 Instock Footwear Suppliers’ AssociationWhat 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