Patent ID: 6812035
Filing Date: 2004-11-02
Classification: G01J,G01N

Abstract:
A broad screen analytical detection element, capable of detection of several classes of gas or liquid analytes, said detection element comprisinga first region comprising a solid and adsorbed said solid a radiant energy-detectable material or a material capable of producing a radiant energy-detectable material, wherein said radiant energy-detectable material or said material capable of producing a radiant energy-detectable material is desorbable by a target analyte; and a second region for sequestering radiant energy-detectable material (a) desorbed from or (b) produced by material desorbed from said solid prior to detection of said radiant energy-detectable material, wherein either said first region or said second region further comprises a high boiling plasticizer/solvent and wherein classes of gas or liquid analytes are detected.