申请人:Eastman Kodak Company
公开号:US04966678A1
公开(公告)日:1990-10-30
An ion-sensitive composition and an ion-selective electrode is disclosed in which the ionophore is an organotin having the formula R.sub.x.sup.1 Sn(SR.sup.2).sub.4-x or R.sub.y.sup.1 Sn(SR.sup.3 --X--R.sup.3 S).sub.4-y SnR.sup.1 wherein x is 0 or an integer from 1 to 3; y is 2 or 3; each R.sup.1 independently is substituted or unsubstituted alkyl or substituted or unsubstituted aryl; each R.sup.2 independently is substituted or unsubstituted alkyl. each R.sup.3 independently is substituted or unsubstituted alkylene; and, X is a single chemical bond or a linking group.
本发明揭示了一种离子敏感组合物和离子选择性电极,其中离子载体是具有以下式子的有机锡化合物:R.sub.x.sup.1 Sn(SR.sup.2).sub.4-x或R.sub.y.sup.1 Sn(SR.sup.3 --X--R.sup.3 S).sub.4-y SnR.sup.1,其中x为0或1至3的整数;y为2或3;每个R.sup.1独立地是取代或未取代的烷基或取代或未取代的芳基;每个R.sup.2独立地是取代或未取代的烷基;每个R.sup.3独立地是取代或未取代的亚烷基;而X是单一化学键或连接基。