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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/312
Name: Optics: measuring and testing > By dispersed light spectroscopy > With sample excitation (e.g., burning) > By electrical resistance heating (e.g., graphite tube)
Description: Subject matter wherein the sample is heated to an excited state by passing an electrical current through the sample cell or support.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8085405 Detecting element, and target substance detecting device and method of detecting target substance using the same Dec. 27, 2011
7477382 Atomic absorption spectrometer Jan. 13, 2009
7199875 Furnace Apr. 3, 2007
7133131 Atomic absorption spectrometer Nov. 7, 2006
7130044 Atomic absorption spectrophotometer Oct. 31, 2006
7050165 Atomic absorption spectrophotometer May. 23, 2006
6894776 Furnace May. 17, 2005
6715371 Method of testing an airbag module Apr. 6, 2004
6643016 Multiple pathlength spectrophotometer Nov. 4, 2003
6552786 Electrothermal furnace for an atomic absorption spectrometer Apr. 22, 2003
6545756 Method for the thermionic atomization of a sample and device for realizing the same Apr. 8, 2003
6545757 Atomizing device for dissolved and solid samples Apr. 8, 2003
6391647 Method and a device for atomic absorption spectroscopy May. 21, 2002
6222626 Atomic absorption spectrometer Apr. 24, 2001
6141094 Sensitive laser spectroscopic detection based on three-dimensional nonlinear four-wave mixing Oct. 31, 2000
6020958 Atomic absorption spectrophotometer Feb. 1, 2000
5981912 Electrothermal atomization means for analytical spectrometry Nov. 9, 1999
5978082 Atomic absorptiometer and a metal specimen atomic vapor generation apparatus used in the atomic absorotiometer Nov. 2, 1999
5949538 Longitudinally or transversely heated tubular atomizing furnace Sep. 7, 1999
5910838 Method of determining concentrations by means of continuous-spectrum atomic absorption spectroscopy Jun. 8, 1999
5866431 Electrothermal atomization means for analytical spectrometry Feb. 2, 1999
5861948 Atomic absorption spectrophotometer Jan. 19, 1999
5822059 Atomic absorption spectrophotometer and graphite tube type cuvette used for the same Oct. 13, 1998
5786887 Atomic absorption spectrophotometer and atomic absorption spectrochemical analysis Jul. 28, 1998
5742388 Atomic absorption spectrophotometer Apr. 21, 1998
5708507 Temperature resolved molecular emission spectroscopy of materials Jan. 13, 1998
5708502 Random access charge transfer devices for multi-element atomic absorption spectrometry and temporal shifting Jan. 13, 1998
5638166 Apparatus and method for rapid detection of explosives residue from the deflagration signature thereof Jun. 10, 1997
5594547 Multielement atomic absorption spectrometer and measurement method using such an atomic absorption spectrometer Jan. 14, 1997
5579104 Apparatus applied to spectroscopy Nov. 26, 1996
5568254 Low pressure discharge tube and atomic absorption spectrophotometer using the same Oct. 22, 1996
5567945 Compact atomic absorption analyzer Oct. 22, 1996
5546182 Method for determination of trace metal impurity in fluorine-containing polymer and process for production of fluorine-containing polymer using the method Aug. 13, 1996
5434665 Atomic absorption analyzing apparatus with adjustable carrier gas flow rate Jul. 18, 1995
5424832 Flameless atomic absorption spectrophotometer Jun. 13, 1995
5408316 Arrangement for electrothermally atomizing specimens to be analyzed Apr. 18, 1995
5367374 Platform for a transversely-heated electrothermal atomizer furnace for atom absorption spectroscopy Nov. 22, 1994
5311277 Atomic absorption spectroscopic analytic apparatus May. 10, 1994
5249028 Graphite tube furnace Sep. 28, 1993
5235862 Sample handling method and apparatus for atomic absorption analysis Aug. 17, 1993
5212099 Method and apparatus for optically measuring concentration of an analyte May. 18, 1993
5194914 Furnace for the electrothermal atomization of samples in atomic absorption spectroscopy Mar. 16, 1993
5191212 Analytical system with electrothermal atomizer and mass spectrometer for atomic and molecular analysis Mar. 2, 1993
5181077 Atomic absorption spectrometer Jan. 19, 1993
5148234 Method and device for analyzing samples by means of atomic absorption spectroscopy Sep. 15, 1992
5135305 Spectroanalytical system Aug. 4, 1992
5122713 Atmospheric pressure capacitively coupled plasma excitation source Jun. 16, 1992
5118187 Furnace for the electro-thermal atomization of samples for spectroscopical purposes Jun. 2, 1992
5108178 Atomic absorption spectrophotometer and electromagnetic shut-off valve for use therein Apr. 28, 1992
5106189 Zeeman atomic absorption spectrophotometer Apr. 21, 1992

1 2 3 4










 
 
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