公开(公告)号：US06197172B1

公开(公告)日：2001-03-06

申请号：US09162478

申请日：1998-09-28

申请人： David H. Dicks ,  Handani Winarta ,  John Hiti ,  Nicole Pouliot ,  Jeffrey C. Chien ,  Chung Chang Young

发明人： David H. Dicks ,  Handani Winarta ,  John Hiti ,  Nicole Pouliot ,  Jeffrey C. Chien ,  Chung Chang Young

IPC分类号： G01N27333

CPC分类号： G01N27/40

摘要： An electrochemical sensor with a gelled membrane for prolonging the useful life of an ion-selective electrode. The gelled membrane is a hydrophilic membrane having a specially-formulated gel layer coated on one side. The gel-coated side of the gelled membrane is in intimate contact with the ion-selective membrane and separates the ion-selective membrane from the test samples and the calibration and cleaning fluids. The gelled membrane is a semi-permeable barrier which allows passage of the species to be measured while inhibiting the passage of surfactant and proteinaceous material into the polymeric ion-selective membrane.

摘要翻译： 具有凝胶膜的电化学传感器，用于延长离子选择性电极的使用寿命。 凝胶膜是具有一面涂布特殊配制的凝胶层的亲水膜。 凝胶膜的凝胶涂层与离子选择膜紧密接触，并将离子选择性膜与测试样品和校准和清洁液分离。 凝胶膜是半透性屏障，其允许待测量的物质通过，同时抑制表面活性剂和蛋白质物质进入聚合物离子选择性膜。

公开(公告)号：US4770759A

公开(公告)日：1988-09-13

申请号：US883108

申请日：1986-07-08

申请人： Chung C. Young ,  John Hiti

发明人： Chung C. Young ,  John Hiti

IPC分类号： G01N27/333 ,  G01N27/46

CPC分类号： G01N27/3335

摘要： An electrode for determining the lithium content of a liquid sample to be tested, has a membrane containing a lithium ion selective compound and a plasticizer, the improvement wherein the plasticizer is a liquid, lipophilic dialkyl phthalate compound or a liquid phenyl phenyl ether compound that has a strong electron withdrawing group at an ortho position on one of the phenyl rings. The ion selective compound has the formula: ##STR1## wherein A is an alkyl group having between 8 and 16 carbon atoms, B is an alkyl group having between 1 and 4 carbon atoms, and each C and D is, independently, a hydrogen atom or an alkyl group having between 1 and 16 carbon atoms, provided that both C and D are not alkyl groups having greater than 4 carbon atoms.

摘要翻译： 用于测定待测试液体样品的锂含量的电极具有含有锂离子选择性化合物和增塑剂的膜，改进之处在于，增塑剂是液体，亲油性邻苯二甲酸二烷基酯化合物或液体苯基苯基醚化合物，其具有 在一个苯环上的邻位的强吸电子基团。 离子选择性化合物具有下式：其中A是具有8至16个碳原子的烷基，B是具有1至4个碳原子的烷基，并且每个C和D独立地是氢原子 或具有1至16个碳原子的烷基，条件是C和D都不是具有大于4个碳原子的烷基。

公开(公告)号：US5350518A

公开(公告)日：1994-09-27

申请号：US105340

申请日：1993-08-11

申请人： John Hiti ,  Chung C. Young

发明人： John Hiti ,  Chung C. Young

IPC分类号： G01N27/333 ,  B01D71/06

CPC分类号： G01N27/3335

摘要： The magnesium ion content of a sample is determined by contacting the sample with a magnesium ion selective membrane including a 1,10-phenanthroline having an H group at positions 2 and 9. Examples of preferred 1,10-phenanthrolines include 4,7-diphenyl-1,10-phenanthroline, N-dodecyl-N-methyl-1,10-phenanthroline-4-carboxamide, 4-undecyl-1,10-phenanthroline, 4,7-diundecyl-1,10-phenanthroline and 5-nonyl-1,10-phenanthroline-4-carboxylate.

摘要翻译： 样品的镁离子含量通过使样品与含有1和2的9位具有H基的1,10-菲咯啉的镁离子选择性膜接触来确定。优选的1,10-菲咯啉的实例包括4,7-二苯基 -1,10-菲咯啉，N-十二烷基-N-甲基-1,10-菲咯啉-4-甲酰胺，4-十一烷基-1,10-菲咯啉，4,7-二十一烷基-1,10-菲咯啉和5-壬基 -1,10-菲咯啉-4-羧酸酯。