| 摘要 |
#CMT# #/CMT# Detecting gaseous compounds (I) in a gas using a composition containing a probe molecule, of which the reaction with one or more gaseous compounds causes a variation of one of its physical and chemical properties and that variation is measured by an analyzing technique and measuring the physical and chemical properties (preferably spectral property) of the probe molecule, comprises: contacting the gas with the composition; newly measuring the property; and correlating the variation of the spectral property between prior measuring of the physical and chemical properties of the composition. #CMT# : #/CMT# Detecting gaseous compounds of formulae (BX 3), (HX) or (X 2) (I) in a gas using a composition containing a probe molecule, of which the reaction with one or more gaseous compounds causes a variation of one of its physical and chemical properties and that variation is measured by an analyzing technique and measuring the physical and chemical properties (preferably spectral property) of the probe molecule, comprises: contacting the gas with composition containing probe molecule; newly measuring the property; and correlating the variation of the spectral property between prior measuring of the physical and chemical properties of the composition. X : halo. Independent claims are included for: (1) a process of trapping (I) in a gas, comprising contacting the gas with the composition; (2) a material able to react with (I) in gaseous form comprising a porous matrix made of a matrix of inorganic polymer or organic-inorganic hybrid developed by sol-gel process, where the porous matrix comprises probe molecule; and (3) a sensor for gaseous compounds comprising a material or the composition, where the material or composition is deposited on a substrate adapted to the analyzing technique, comprising blade or glass plate, mica quartz or fluorine. #CMT#USE : #/CMT# The process is useful for detecting gaseous compounds, preferably gaseous halo compounds comprising halogenated boron derivative, halo compounds and corresponding acids. #CMT#ADVANTAGE : #/CMT# The process is safe, fast and effective for detecting and/or capturing gaseous halo compounds, which are non-toxic. #CMT#INSTRUMENTATION AND TESTING : #/CMT# Preferred Components: The sensor further comprises an excitation light source and a collector. #CMT#ORGANIC CHEMISTRY : #/CMT# Preferred Process: The process further comprises prior measuring of the physical and chemical properties. The probe molecule is incorporated into a matrix. Preferred Components: The physical-chemical property of the composition is spectral property, and is absorbance or fluorescence. The gas with the composition is in the form of a gas stream. The probe molecule is alkali metal halides, quaternary ammonium halides, coumarin and its derivatives, porphyrazine and its derivatives, fluorescein and its derivatives, triarylmethanes, rhodamines, cresyl violet, phenoxazine derivatives and oxazones. #CMT#POLYMERS : #/CMT# Preferred Components: The probe molecule is polymeric structure. #CMT#EXAMPLE : #/CMT# No suitable example given. |
