Matches 1 - 25 out of 25


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US20150168342 Amperometric Sensor System  
A sensor system that measures at least one parameter of water includes an electronics subsystem and includes a sensor housing electrically and mechanically coupled to the electronics subsystem....
US20130168264 Method for Measuring HF Content in Lithium Secondary Battery Electrolyte and Analytical Reagent Composition Used in the Same  
Provided are a method for measuring hydrofluoric acid content in a lithium secondary battery electrolyte and an analytical reagent composition used in the same.
US20100320095 DEVICE FOR MONITORING WATER QUALITY  
A device for monitoring chlorine in water, the device comprising a chlorine sensor adapted to measure a chlorine concentration in water; and a controller adapted to facilitate conversion between...
US20120145561 Device for Measuring at Least One Property of Water  
The invention relates to a device for measuring at least one physico-chemical parameter of water, said device including a means for measuring the concentration of active chlorine in the form of...
US20140083864 ELECTROCHEMICAL SENSORS FOR TESTING WATER  
An electrochemical sensor for the detection and analysis of an analyte in a solution is disclosed. The electrochemical sensor has an electrically non-conductive support; a plurality of electrodes...
US20130220832 ELECTRONIC METHODS FOR THE DETECTION OF ANALYTES  
The present invention is directed to the detection of target analytes using electronic techniques, particularly AC techniques.
US20140083865 ELECTROCHEMICAL SENSORS FOR TESTING WATER  
An electrochemical sensor for the detection and analysis of an analyte in a solution is disclosed. The electrochemical sensor has an electrically non-conductive support; a plurality of electrodes...
US20130037422 Method For Detecting A Concentration Of Chlorate-Ions In An Aqueous Solution, Apparatus For Detecting A Concentration Of Chlorate-Ions And Control Unit  
An apparatus, a control unit and a method are provided for detecting a concentration of chlorate-ions in an aqueous solution containing different types of chlorine oxidants. By applying energy to...
US20150177173 CHLORINE DETECTION WITH PULSED AMPEROMETRIC DETECTION  
A method of measuring oxidant in an aqueous composition using an electrode system comprising a membrane permeable to a species to be measured, a cathode situated behind the membrane, and an...
US20070114137 Residual chlorine measuring method and residual chlorine measuring device  
A residual chlorine measuring method includes the steps of bringing a counter electrode, a working electrode and a reference electrode into contact with a sample solution containing a residual...
US20120048747 METHOD FOR ELECTROCHEMICALLY DETECTING TARGET SUBSTANCE, METHOD FOR ELECTROCHEMICALLY DETECTING ANALYTE, AND DETECTION SET  
In order to provide a method of electrochemically detecting a target substance, a method of electrochemically detecting an analyte, and a detection set which have a theoretical advantage in the...
US20110198239 SIMULTANEOUS DETERMINATION OF CHLORINE AND CHLORATE IN SODIUM HYPOCHLORITE  
A process for the simultaneous determination of chlorine and chlorate in sodium hypochlorite. First and second streams of sodium hypochlorite are provided. The first stream is treated to generate...
US20050011771 Chlorite sensor  
The present invention concerns a sensor for voltammetric or amperometric measurement of the chlorite concentration (ClO2−) in an solution. In order to provide a chlorite sensor which permits...
US20130334063 Method of Detecting Analyte  
This disclosure relates to a method of detecting an analyte. The method includes (1) contacting an aqueous solution containing the analyte with an electrochemical detector having a working...
US20140291168 MULTIPLE POTENTIAL BASED CHRONOAMPEROMETRIC FREE CHLORINE SENSORS  
A chronoamperometric method and device to determine concentration of an electrochemically active species in a fluid and pH of the fluid. A plurality of sets of calibration relationships may be...
US20090229995 Analysis of fluoride at low concentrations in acidic processing solutions  
Low concentrations of fluoride ion in a semiconductor processing solution containing an acid are determined via fluoride ion specific electrode measurements corrected for the effect of the acid...
US20130153441 METHOD AND APPARATUS FOR EVALUATING EX-SITU CHEMICAL DEGRADATION OF MEMBRANES  
Disclosed herein are methods and devices for evaluating ex-situ chemical degradation of fuel cell membranes. One embodiment of a method for evaluating ex-situ chemical degradation of a membrane...
US20120178171 METHODS OF USING CYANINE DYES FOR THE DETECTION OF ANALYTES  
The present invention concerns a method of measuring the concentration of an analyte in an aqueous solution that comprises the steps of: obtaining an aqueous solution containing an analyte,...
US20070045128 CHLORINE DIOXIDE SENSOR  
A sensor is disclosed that includes an electrolyte pump in fluid communication with an electrochemical cell and an ion selective electrode. The electrochemical cell may include a gold cathode and...
US20090260995 Polymer based biosensor  
A biosensor comprising a conducting polymer and a facilitating agent that combine to form a polymeric matrix that interacts with electrophilic compounds, wherein an electrochemical property of the...
US20130292267 Method And Apparatus For Measuring And Controlling Electrolytically-Active Species Concentration In Aqueous Solutions  
A method is provided for measuring an electrolytically-active species concentration in an aqueous or non-aqueous solution for use in providing control of the concentration of the species in a...
US20090321278 Electrochemical sensor  
A electrochemical sensor comprising a mounting having screen printed array of electrodes located thereon, the array comprising a reference electrode, a counter electrode and a plurality of working...
US20140018601 APPARATUS, METHOD AND SYSTEM FOR DETECTING SALT IN A HYDROCARBON FLUID  
A method for determining a salt concentration of a hydrocarbon fluid using a conductivity sensor and a hydrocarbon testing solution includes forming the hydrocarbon testing solution. The...
US20160097735 Apparatus, Method and System for Detecting Salt in a Hydrocarbon Fluid  
A method for determining a salt concentration of a hydrocarbon fluid using a conductivity sensor and a hydrocarbon testing solution includes forming the hydrocarbon testing solution. The...
US20160018358 ANALYSIS OF SILICON CONCENTRATION IN PHOSPHORIC ACID ETCHANT SOLUTIONS  
Low concentrations of silicon in an etchant solution comprising phosphoric acid, an organo-silicon compound and water are analyzed by adding predetermined concentrations of a carboxylic acid and...

Matches 1 - 25 out of 25