Method and apparatus for stand-off chemical detection
First Claim
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1. A method, suitable for stand off analysis of a sample comprising one or more chemical and/or biological warfare agents of low volatility, said method comprising:
- (i) using an excitation means to vaporise the sample thereby producing a vapour plume of molecular species; and
(ii) using an analytical means to analyse the molecular species within the vapour plume wherein the analytical means analyses the molecular emission spectra of the vapour plume and is provided with means to enable it to receive said spectra for stand off analysis.
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Abstract
A method, suitable for stand off analysis of a sample (2), comprising: (i) using an excitation means (6) to vaporise the sample (2) thereby producing a vapour plume (10) of molecular species; and (ii) using an analytical means (12) to analyse molecular species within the vapour plume (10) wherein the analytical means (12) analyses the molecular emission spectra of the vapour plume (10). The invention also relates to a kit and an apparatus for use with the same.
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14 Claims
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1. A method, suitable for stand off analysis of a sample comprising one or more chemical and/or biological warfare agents of low volatility, said method comprising:
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(i) using an excitation means to vaporise the sample thereby producing a vapour plume of molecular species; and (ii) using an analytical means to analyse the molecular species within the vapour plume wherein the analytical means analyses the molecular emission spectra of the vapour plume and is provided with means to enable it to receive said spectra for stand off analysis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A kit suitable for stand off analysis of a sample comprising one or more chemical and/or biological warfare agents of low volatility, said kit comprising:
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(i) an excitation means arranged such that it can be used to vaporise the sample thereby producing a vapour plume of molecular species; (ii) an analytical means arranged to analyse the emission spectra of the molecular species within the vapor plume; and (iii) means associated with the analytical means to enable said analytical means to receive the emission spectra from the vapour plume.
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14. An apparatus suitable for stand off analysis of a sample comprising one or more chemical and/or biological warfare agents of low volatility, said apparatus comprising:
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(i) an excitation means arranged such that it can be used to vaporise the sample thereby producing a vapour plume of molecular species; (ii) an analytical means arranged to analyse the emission spectra of the molecular species within the vapour plume; and (iii) means associated with the analytical means to enable said analytical means to receive the emission spectra from the vapour plume.
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Specification