A method and system for performing low level sulfur UV fluorescence measures including an UV interference reduction system which removes or destroys interfering nitrogen oxides. The preferred nitrogen removal systems include introducing ozone into the system in sufficient quantities to destroy any produce...http://www.google.fr/patents/US7244395?utm_source=gb-gplus-shareBrevet US7244395 - Apparatus for trace sulfur detection using UV fluorescence
Apparatus for trace sulfur detection using UV fluorescence