Patent application number | Description | Published |
20080206547 | RESPONSIVE GLASS MEMBRANE AND GLASS ELECTRODE - This invention intends to provide a responsive glass membrane and a glass electrode comprising the responsive glass membrane to which taint is hardly attached and easily detached without hindering a function of measuring the ionic concentration. A thin film containing titanium dioxide of an anatase type is formed on a surface of the responsive glass membrane and whole of the thin film is continuously formed to be an integrated body. | 08-28-2008 |
20080207428 | RESPONSIVE GLASS MEMBRANE FOR ION SELECTIVE ELECTRODE AND ION SELECTIVE ELECTRODE - The present claimed invention intends to provide a responsive glass membrane for ion selective electrode glass and an ion selective electrode comprising the responsive glass membrane that produces a self-cleaning function when the ultraviolet rays are irradiated although no change is brought in a composition of a sample solution as being an object to be measured and that is low in electric resistance value and superior in responsivity under an ordinary measurement environment. | 08-28-2008 |
20100051053 | WASHING STORAGE SOLUTION FOR GLASS ELECTRODE AND THE LIKE - This invention provides a washing storage solution ( | 03-04-2010 |
20100252431 | ION-SELECTIVE ELECTRODE - Disclosed is an ion-selective electrode having excellent mechanical strength, excellent durability, low membrane resistance and good ion response accuracy. This ion-selective electrode comprises a response glass membrane which has ion selectivity and is made of an oxynitride glass containing Li. | 10-07-2010 |
20100259271 | METHOD FOR MEASUREMENT OF CONTENT OF WATER OR ORGANIC ACID IN POLAR ORGANIC SOLVENT, AND APPARATUS FOR THE METHOD - Disclosed are a measurement method and a measurement apparatus both of which can measure the content of water or an organic acid in a polar organic solvent with high accuracy even when water or the organic acid is contained in the polar organic solvent at a low content. The content of water or an organic acid in a polar organic solvent can be measured by using, as a work electrode, an ISFET electrode in which a thin film comprising an oxide or nitride of a metal or metalloid element belonging to Groups 3 to 15 is formed on a gate. | 10-14-2010 |
Patent application number | Description | Published |
20090283404 | Reference Electrode Coated with Ionic Liquid and Electrochemical Measurement System Using the Reference Electrode - This invention provides a reference electrode ( | 11-19-2009 |
20100025235 | METHOD FOR PRODUCTION OF RESPONSIVE GLASS MEMBRANE FOR ION ELECTRODE, RESPONSIVE GLASS MEMBRANE FOR ION ELECTRODE, AND ION ELECTRODE - Disclosed is a sensitive glass film for a pH electrode, which is not deteriorated in its glass strength or pH-measuring function, which is hardly stained, and from which any stain can be removed easily. Also disclosed is a pH electrode having the sensitive glass film. A microparticle comprising rutile-type or brookite-type titanium dioxide or a microparticle comprising amorphous titanium dioxide is adhered directly on the glass film surface of a sensitive glass film for a pH electrode. | 02-04-2010 |
20100179046 | GLASS ELECTRODE AND SENSITIVE GLASS FOR THE GLASS ELECTRODE - Disclosed is a sensitive glass for use in a pH-sensitive glass electrode, which comprises at least Me | 07-15-2010 |
20120152741 | REFERENCE ELECTRODE - The present invention is intended to enable silver ions in an internal electrolyte solution of a reference electrode to be suppressed from being eluted, and also suppress a potential variation that occurs due to production of a poorly-soluble silver compound on surfaces of a liquid communication part and the like, and specifically provided with: an internal electrode formed of a silver/silver chlorides electrode; an internal electrolyte solution that is in contact with the internal electrode; and a containing body that contains the internal electrolyte solution, in which the containing body is formed of a material that does not have anionic conductivity but has cationic conductivity and moisture permeability. | 06-21-2012 |
20130153417 | REFERENCE ELECTRODE - A reference electrode for improving a product life cycle without using a gelled hydrophobic ionic liquid having a prescribed hardness or viscosity and without having a large thickness so as to be difficult to manufacture is provided. The reference electrode is provided with a housing for accommodating an internal electrode, a filler for electrically connecting the internal electrode, and a sample liquid. The filler is formed having a layer between the internal electrode and an opening formed in the housing for contacting the sample liquid and the filler. The filler includes a first layer including a water soluble electrolytic solution formed to be in contact with the internal electrode a second layer including a hydrophobic ionic liquid formed to be in contact with the first layer; and a third layer including a gelled hydrophobic ionic liquid formed in the opening so as to be in contact with the second layer. | 06-20-2013 |
20130168246 | LIQUID MEMBRANE TYPE ION-SELECTIVE ELECTRODE - This invention relates to a liquid membrane type ion-selective electrode that can restrain an electric potential fluctuation of an inner electrode due to ultraviolet rays and that can conduct an analysis with high accuracy. The liquid membrane type ion-selective electrode comprises a liquid membrane type ion-sensitive membrane wherein a predetermined ionophore is supported by a base material, an inner electrode that has electrical conductivity and that is arranged at a position on the ion-sensitive membrane through which light transmitted is incident, an internal solution that contains an electrolyte and that makes contact with the ion-sensitive membrane and the inner electrode, wherein the ion-sensitive membrane contains an ultraviolet absorber or an ultraviolet reflecting agent having an insulative property. | 07-04-2013 |
20130168247 | ION ANALYZER - This invention relates to an ion analyzer of a multisensor type that can conduct an accurate analysis and that is easy to maintain. The ion analyzer has a liquid membrane type ion-selective electrode comprising multiple types of ion-sensitive membranes wherein each of multiple types of ionophores that selectively capture different ion is supported by a base material respectively, an internal solution and a liquid junction from which the internal solution exudes, and the multiple types of the ion-sensitive membranes and the liquid junction are arranged on the same supporting body, and at least one ion-sensitive membrane among the multiple types of the ion-sensitive membranes is arranged outside of an area that is immersed in the internal solution that exudes from the liquid junction. | 07-04-2013 |
20130168265 | CORRECTION LIQUID - This invention relates to a correction liquid for a liquid membrane type ion-selective electrode that makes it possible to measure a ratio between a sodium ion concentration and a potassium ion concentration in urine by correcting for an influence from an ionic strength of the urine. The correction liquid comprises a sodium ion-sensitive part that selectively reacts with the sodium ion and a potassium ion-sensitive part that selectively reacts with the potassium ion, and measures a ratio between a sodium ion concentration and a potassium ion concentration in urine, and comprises the sodium ion, the potassium ion, and an electrolytic ionic strength modifier. | 07-04-2013 |
20140105788 | MULTI-ION SENSOR - In order to provide a planar type multi-ion sensor which is easily thinned and has high measurement accuracy, a multi-ion sensor | 04-17-2014 |
20140170764 | PRETREATMENT SYSTEM AND METHOD - The present invention is mainly intended to provide a pretreatment system that can use an calcium ion electrode to accurately measure calcium ion concentration with a simple configuration, and the pretreatment system is a pretreatment system | 06-19-2014 |