{"id":324133,"date":"2024-10-19T22:28:06","date_gmt":"2024-10-19T22:28:06","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-1833-42017\/"},"modified":"2024-10-25T21:03:24","modified_gmt":"2024-10-25T21:03:24","slug":"bs-en-iso-1833-42017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-1833-42017\/","title":{"rendered":"BS EN ISO 1833-4:2017"},"content":{"rendered":"

This document specifies a method, using hypochlorite, to determine the mass percentage of protein fibre, after removal of non-fibrous matter, in textiles made of mixtures of certain non-protein fibres and certain protein fibres, as follows:<\/p>\n