標準號：ISO 5398-1-2007
中文標準名稱：皮革.氧化鉻含量的化學測定.第1部分:滴定法定量測定
英文標準名稱：Leather - Chemical determination of chromic oxide content - Part 1: Quantification by titration
標準類型：Y46
發(fā)布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：Y46
國際標準分類號：59.140.30
引用標準：ISO 2418;ISO 3696-1987;ISO 4044;ISO 4047;ISO 4684
適用范圍：This part of ISO 5398 describes a method for the determination of chromium in aqueous solution obtainedfrom leather. This is an analysis for total chromium in leather; it is not compound specific or specific to itsoxidation state.This method describes the determination of chrome by iodometric titration and is to be applicable tochromium-tanned leathers which are expected to have chromic oxide contents in excess of 0,3 %. Twodifferent methods are described as alternatives for obtaining chromium in a suitable solution. It is appropriateto use either method.