Class 205/790 - For composition of metal or metal alloy

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter in which the chemical composition of a metal
No. of patents: 36
Last issue date: 03/01/2011

Number	Title	Issue Date
7897032	Method and apparatus for stripping voltammetric and potentiometric detection and measurement of contamination in liquids A sampling system for measuring the presence and concentration of inorganic ion species, including, metals, metalloids and non-metals, in a liquid solution including a first sampling unit. The first sampling unit includes a potentiometric subsystem configured to gat...	03/01/2011
7390392	Method of in-situ monitoring a reduction of uranium oxides by lithium metal Disclosed is a method of in-situ monitoring a reduction process of uranium oxides by lithium metal, wherein a conversion yield of uranium metal from uranium oxides upon production of uranium metal through a reaction of uranium oxides (UOx, x≦3) with lit...	06/24/2008
7169274	Measurement device for determining oxygen activity in metal or slag melts A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged on one end of a carrier tube and on which an electrochemical measurement cell is arranged. The electrochemical measurement cell ha...	01/30/2007
7141151	Measurement device for determining oxygen activity in molten metal or slag A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged at one end of a carrier tube and on which an electrochemical measurement cell is arranged. The electrochemical measurement cell ha...	11/28/2006
6884333	Electrochemical system for analyzing performance and properties of electrolytic solutions The invention relates to the analysis of the performance and properties of electrochemical processes, and specifically, to electrolytic solutions and electrode processes. The invention discloses a device and a method for obtaining qualitative and quantitative inform...	04/26/2005
6514394	Sensor for application in molten metals An electrochemical sensor to measure the activity of a metallic component in a molten metal, comprising the molten metal as the measuring electrode, a reference electrode containing the metallic component to be measured, separated from each other by a liq...	02/04/2003
6190520	Impurity measuring device A first solution is brought into contact with a surface of a sample so that impurities, which exist in the sample or on the surface of the sample, and the sample are dissolved in the first solution, and a voltage is applied across electrodes by putting th...	02/20/2001
6051126	Method for analyzing precious metals The nature of a metal sample, such as the purity of precious metals and metal alloys, such as gold, is determined using a handheld probe having an electrode embedded in an electrolyte in a reservoir of the probe and arranged to conduct electrically with t...	04/18/2000
5942103	Renewable-reagent electrochemical sensor A new electrochemical probe(s) design allowing for continuous (renewable) reagent delivery. The probe comprises an integrated membrane-sampling/electrochemical sensor that prevents interferences from surface-active materials and greatly extends the linear...	08/24/1999
5888362	Apparatus for analyzing precious metals The nature of a metal sample, such as the purity of precious metals and metal alloys such as gold, is determined using a handheld probe having an electrode embedded in an electrolyte in a reservoir of the probe and arranged to conduct electrically with th...	03/30/1999
5882504	Method of measuring impurities A first solution is brought into contact with a surface of a sample so that impurities, which exist in the sample or on the surface of the sample, and the sample are dissolved in the first solution, and a voltage is applied across electrodes by putting th...	03/16/1999
5716513	Electrographic pen A pen shaped electrochemical cell houses a nib shaped diaphragm dispensing aqueous ammonium bromide charged to a potential of about 3 volts. The device is used to coat an identifying reddish ink comprising gold bromide on a test electrode comprising gold....	02/10/1998
5635054	Microelectrodes and amperometric assays A photo-ablation technique is used to create apertures (4) in a layer (2) of electrically insulating material and allow electrically conducting material (3) exposed through the apertures to create a microelectrode. The microelectrode can be used for assay...	06/03/1997
5632881	Measuring magnesium concentrations in molten metal alloys A simple robust sensor probe for determining the magnesium concentration in molten metal alloys in real-time. The probe provides needed process control information in molten metal technologies and has particular application to processes for removing magne...	05/27/1997
5460710	Electro-analysis of liquids and sensing elements for use therein A sensing element, for use in determining the presence and/or concentration of a species in a solution, comprises a flat insulating substrate (10) having at least one thin metallic electrode (16) deposited on it and overlaid with an insulating layer (20)....	10/24/1995
5445725	Sensor probe for measuring hydrogen concentration in molten metal and method for measuring hydrogen concentration On the inner surface of sensor element made of proton conductive solid electrolyte with perovskite structure and enclosed at its lower end, a reference electrode constituted of porous electrode is formed, and a measuring electrode constituted of porous el...	08/29/1995
5439579	Sensor probe for measuring hydrogen concentration in molten metal On the inner surface of sensor element made of proton conductive solid electrolyte with perovskite structure and enclosed at its lower end, a reference electrode constituted of porous electrode is formed, and a measuring electrode constituted of porous el...	08/08/1995
5332449	Immersion sensor for molten metals An immersion sensor for molten metals has an electrically conducting support pin, whose one end is mounted in a refractory mounting material, and whose other free end has a first coating of a reference material and on top of this a second coating of a sol...	07/26/1994
5218303	Broad span dynamic precious metal assay method by driving electrical pulses through an electrolyte wet junction A dynamic precious metal assay which includes the steps of introducing a controlled amount of liquid electrolyte onto a sample of precious metal alloys, placing an inert electrode in contact with the sample in the presence of the electrolyte to create a w...	06/08/1993
5192404	Method for measuring a minor element in a molten metal A method for the detection and measurement of a minor element in a molten metal, the minor element being selected from the group of phosphorous, silicon, arsenic, antimony and sulfur, includes providing a first electrical lead (5) and immersing it in the ...	03/09/1993
5171692	Method for detecting mercury amalgamation of aluminum A method for detecting mercury amalgamation of an aluminum body includes the steps of contacting a surface of the aluminum body with an electrolyte, and simultaneously contacting the electrolyte with a reference electrode. The reference electrode is forme...	12/15/1992
5128016	Precious metal analyzer apparatus An apparatus and method for directly indicating the gold content of a metal object employs a receptacle or cell into which is deposited a small portion of an electrolyte solution. The solution preferably contains copper and iron ions, acetic acid and hydr...	07/07/1992
5128266	Method for testing the radioactivity of objects containing metal or concrete Radioactively contaminated objects are placed into a borofluoric acid bath following a rough spot test and are precipitated in a measurable geometry on the cathode plates in the course of an electrolytic process, for example. In the course of the subseque...	07/07/1992
5112456	Electrochemical sensors and methods for their use Electrochemical sensors are provided having improved sensitivity, stability and dirability. In accordance with preferred embodiments, such sensors comprise protective sheath means having at least one opening. Within the sheath and sealed thereto at the op...	05/12/1992
5096552	Monitoring of pyrometallurgical processes The concentration of an element in a molten metallurgical phase (3) is measured by applying an electrical potential across two electrodes (1, 2) separated by a solid electrolyte (7) containing cations of the element to be measured immersed in the melt, an...	03/17/1992
5080766	Precious metal analyzer An apparatus and method for directly indicating the gold content of a metal object employs a receptacle or cell into which is deposited a small portion of an electrolyte solution. The solution preferably contains copper and iron ions, acetic acid and hydr...	01/14/1992
4898646	Process for identifying Al alloys by electrochemical means This invention relates to a process for identifying the external surface or surfaces of an Al alloy of a homogeneous or composite material by electrochemical means. This method involves forming an anodic layer, in situ, on the products to be identified, b...	02/06/1990
4886552	Method for monitoring the removal of a metallic contaminant from the surface of a metallic article A method for simultaneously removing and monitoring the removal of a metallic contaminant from the surface of a metallic workpiece is disclosed. The workpiece and a reference electrode are immersed in an electrically conductive cleaning solution. The pote...	12/12/1989
4799999	Dynamic precious metal assay method The invention describes a method for determining the assay of gold alloy. It utilizes a dynamic electrochemical process. The specimen gold is wetted by a described electrolyte, and a small current anodizes the surface of the specimen for a metered period ...	01/24/1989
4788491	Method of the measurement of interstitial atoms in alloys including the hydrogen content of solid hydrides, and of sorbed species on surface Disclosed is a method of determining the state of charge and discharge of a host material, e.g., a hydride forming hydrogen storage material, or the interstitial content of an alloy material by the high frequency measurement of the time varying transfer f...	11/29/1988
4786374	Electro-chemical sensors and methods for their manufacture and use Improved electrochemical sensors are provided through isostatic processing techniques. Improved electrochemical sensors, especially those suitable for use in metallurgical melts, having, at once, long-term stability, improved sensitivity, and improved phy...	11/22/1988
4657641	Determination of silicon in molten metal Use of a sensor in the electro-chemical determination of silicon dissolved in a molten metal, said sensor comprising a layer of a solid electrolyte capable of conducting oxygen ions, a reference electrode in contact with one surface of said layer of the s...	04/14/1987
4627892	Electrochemical sensors and methods for their manufacture and use Improved electrochemical sensors are provided through isostatic processing techniques. Improved electrochemical sensors, especially those suitable for use in metallurgical melts, having, at once, long-term stability, improved sensitivity, and improved phy...	12/09/1986
4428770	Methods of manufacturing metal from a melt, determination of sulfur and carbon therein, sensors therefor and solid electrolyte compositions for said sensors Materials, methods and articles for the electrochemical determination of sulfur and carbon in fluids are provided. In accordance with a preferred embodiment, an electrolyte is furnished comprising a solid solution of an oxide of either zirconium, thorium ...	01/31/1984
4240879	Methods of measuring the concentrations of ions Equipment for measuring the concentration of certain ions, particularly hydrogen ions, is disclosed. The ion sensitive electrodes used in this equipment are far more stable than those previously available. Many of the electrodes described use palladium hy...	12/23/1980
4166009	Method for detecting elements A method for the detection or determination of an element in a substance comprising that element by monitoring the e.m.f. generated between the substance and a reference material, in which the reference material is a solid electrolyte comprising a ଲ...	08/28/1979

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Class 205/790 - For composition of metal or metal alloy