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点火药中亚铁氰化铝的原分析方法是用水作溶剂以分离组分中的KClO4和Pb2[Fe（CN）6]，但这种分离方法很难分离完全，是影响分析质量的关键因素。本文介绍的方法是，采用一种特殊溶剂，既能快速溶解试样中的Pb2[Fe（CN）6]，又不破坏络离子[Fe（CN）6](4-)的结构，直接络合滴定P
Ignition of the original ferrocyanide analysis of raw materials is the use of water as a solvent to separate components of KClO4 and Pb2 [Fe (CN) 6], but this separation is difficult to separate completely, is the key factor affecting the quality of analysis . The method described in this paper is to use a special solvent to rapidly dissolve the Pb2 [Fe (CN) 6] in the sample without destroying the structure of the complex ion [Fe (CN) 6] (4-) Combined titration