{"id":390078,"date":"2024-10-20T03:52:57","date_gmt":"2024-10-20T03:52:57","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-1833-222021-tc\/"},"modified":"2024-10-26T07:08:46","modified_gmt":"2024-10-26T07:08:46","slug":"bs-en-iso-1833-222021-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-1833-222021-tc\/","title":{"rendered":"BS EN ISO 1833-22:2021 – TC"},"content":{"rendered":"

This document specifies a method, using formic acid and zinc chloride, to determine the mass percentage of viscose or certain types of cupro or modal or lyocell, after removal of non-fibrous matter, in textiles made of mixtures of<\/p>\n