四氯合钯(Ⅱ)酸正十八烷铵的差示扫描量热法和红外光谱法研究  

Study on (n-C_(18)H_(37)NH_3)_2PdCl_4 by Differential Scanning Calorimetry and Infrared Spectrometry

作　　者：徐瑞云[1] 蔡蕍[1] 丁蕙[1] 

机构地区：[1]上海应用技术学院化学工程系,上海200235

出　　处：《化学世界》2003年第11期578-579,574,共3页Chemical World

摘　　要：合成了四氯合钯( )酸正十八烷铵(n-C18H37NH3)2PdCl4(简称C18PdCl4),并对其进行了化学分析。使用差示扫描量热法(DSC)和红外光谱法(IR),测定了C18PdCl4的固-固相变温度和相变焓。在350～390K温度区间内,该化合物具有82.60kJ/mol的摩尔固-固相变焓,此类相转变是晶格内的长链烷烃从有序排列向无序排列转变的结果。Bis(noctadecylammonium) tetrachloropalladite(Ⅱ) (nC18H37NH3)2PdCl4(C18PdCl4) was synthesized and its chemical composition was determined. The solidsolid phase transition of C18PdCl4 was studied by differential scanning calorimetry(DSC) and infrared spectrometry(IR). In the temperature range 350~390 K, the solidsolid phase transition enthalpy of C18PdCl4 is 82.60 kJ/mol. The solidsolid phase transition of C18PdCl4 is believed to be the orderdisorder transition of the long chain group.

关 键 词：四氯合钯(Ⅱ)酸正十八烷铵 DSC IR 固-固相变 

分 类 号：O642[理学—物理化学] TQ013.1[理学—化学]