摘要
记录了苯乙烯膦酸单烷基酯（ＨＡ（ＳＰ））、２－乙基己基膦酸单２－乙基己酯、磷酸二－２－乙基己基酯和它们的金属络合物的红外光谱。所用金属是Ｃｏ（Ⅱ），Ｎｉ（Ⅱ），Ｃｕ（Ⅱ），Ｃａ（Ⅱ），Ｍｇ（Ⅱ），Ｆｅ（Ⅲ），Ｃｒ（Ⅲ），Ｉｎ（Ⅲ）和Ｎｄ（Ⅲ）。在这些有机磷一元酸的光谱中，只有ＨＡ（ＳＰ）在约１４５０ｃｍ－１处有吸收。ＨＡ（ＳＰ）在约２２００ｃｍ－１和２６００ｃｍ－１处显示氢键合ＯＨ的宽吸收。当有机磷一元酸与Ｃａ，Ｍｇ以外的金属络合后，νＯＨ消失，νＰ＝Ｏ移向较低波数，而在Ｃａ和Ｍｇ的情况下，ＯＨ。
The infrared spectra in the range of 4000～650cm -1 for alkyl hydrogen styrylphosphonates (HA(SP)),2 ethylhexyl hydrogen 2 ethylhexylphosphonate and di 2 ethylhexyl hydrogen phosphate and their complexes with metals were recorded.The tested HA(SP)included n octyl,2 ethylhexyl,1 methylheptyl and sec alkyl (C 11—13 )hydrogen styrylphosphonates.The metals studied were Fe(Ⅲ),Cr(Ⅲ),In(Ⅲ),Nd(Ⅲ),Cu(Ⅱ),Co(Ⅱ),Ni(Ⅱ),Ca(Ⅱ) and Mg(Ⅱ).In the spectra of these organophosphorus compounds adsorption at ～1450cm -1 is present only in HA(SP).The Spectra of HA(SP) show the broad absorption of hydrogen bonded OH at ～2200 and 2600cm -1 (ν OH ).For each of the organophosphorus monoacids upon complexation with the metals excepting Ca and Mg,the ν OH disappears and the ν P=O shifts to a lower frequency ,wthereas in the cases of Ca and Mg the OH,P=O and P—O— absorption bands all become broader.
出处
《光谱学与光谱分析》
SCIE
EI
CAS
CSCD
北大核心
1997年第2期67-72,共6页
Spectroscopy and Spectral Analysis
关键词
萃取剂
HA(SP)
金属配合物
红外光谱
Alkyl hydrogen styrylphosphonate, Extractant, Metal complex, Effect of substituent, Infrared spectra (Received March 19,1996)
