In Situ Chemical Transformation and Ionization of Inorganic Perchlorate Surfaces

A technology of chemical conversion and inorganic oxidant, applied in circuits, discharge tubes, scientific instruments, etc., can solve problems such as lack of characteristics

Active Publication Date: 2019-01-18
SMITHS DETECTION MONTREAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, some samples contain substances suitable for detection (e.g., analytes, chemical reagents) that do not possess the above properties

Method used

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  • In Situ Chemical Transformation and Ionization of Inorganic Perchlorate Surfaces
  • In Situ Chemical Transformation and Ionization of Inorganic Perchlorate Surfaces
  • In Situ Chemical Transformation and Ionization of Inorganic Perchlorate Surfaces

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Embodiment

[0040] The following discussion describes processes performed using embodiments of the analyte detection systems (eg, sample analysis systems) 100 , 300 , and 400 described above. This process is shown as a set of blocks that perform specific operations by one or more devices and is not necessarily limited to the order shown for performing the operations of the respective blocks. In the sections discussed below, reference will be made to figure 1 , 3 and 4 in the embodiment of the sample analysis system.

[0041] Figure 5 described by figure 1 and image 3 The analyte detection system 100, 300 is shown as a procedure (eg, method, process) 500 in an example embodiment for providing in situ chemical conversion and ionization of the surface of a sample moiety (eg, inorganic oxidizing agent). In an embodiment, procedure 500 may be performed under automated (eg, computer) control.

[0042]In particular embodiments, procedure 500 may include introducing a transport gas into a...

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Abstract

The present invention discloses a method for providing in situ chemical conversion and ionization of a portion of a sample (eg, an inorganic oxidizing agent) by an analyte detection system. The method includes introducing a gas into an ionization source of the analyte detection system via an inlet. The method further includes generating ions within the ionization source and directing the gas and generated ions through and out of the ionization source and toward the sample. The sample is located proximal to the ionization source in the ambient environment. The ions chemically react with the sample and desorb and ionize an analyte from the sample, the analyte being generated by the inorganic oxidizing agent, the desorbed analyte having a lower melting point and / or higher desorption kinetics. The method further includes receiving the desorbed analyte by an analyzer of the analyte detection system.

Description

[0001] Related Application Citations [0002] This application claims priority to U.S. Provisional Patent Application Serial No. 61 / 857,721, entitled "In Situ Chemical Transformation and Ionization of Inorganic Perchlorate Surfaces," filed July 24, 2013, which is hereby incorporated by reference . Background technique [0003] Desorption-based detection systems are commonly used to identify chemical agents in samples. Available desorption-based detection systems, for example, swab desorption-based ion mobility spectrometry systems, are well suited for detection when heated to reasonable temperatures (e.g., below Substances that can evaporate at 250 degrees Celsius). Alternatively, currently available desorption-based detection systems are also well suited for the detection of substances that decompose upon heating to form characteristic species that can be easily evaporated and detected. However, some samples contain substances suitable for detection (eg, analytes, chemical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/44G01N1/28G01N27/64H01J49/26
CPCG01N1/02G01N2001/028H01J49/142G01N1/28G01N1/44G01N27/64H01J49/26H01J49/16
Inventor J·亨德里克瑟V·罗门诺夫
Owner SMITHS DETECTION MONTREAL
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