07-01-2016 дата публикации
Номер: US20160003788A1
Принадлежит:
An apparatus for analyzing a sample, including a sample receiving device, a gas chromatograph and a spectrophotometer, said spectrophotometer including a UV Light Emitting Diode as the light source, an elongated chamber and a detector. The UV light source is arranged to illuminate sample substances conducted through the chamber, and the detector is arranged to identify sample substances by UV absorption spectroscopy. 1. An apparatus for analyzing a sample , comprising a sample receiving device , a gas chromatograph and a least one spectrophotometer , said spectrophotometer comprising a LED UV light source , at least one elongated chamber and at least one detector , wherein at least one LED UV light source is arranged for illumination of sample substances conducted through the chamber , and wherein the detector is arranged for identification of sample substances by UV absorption spectroscopy , wherein the apparatus comprises LED UV light source that is a Light Emitting Diode , a LED , with a spectral range emitting shorter wavelengths than visible light from 120 to 390 nm.2. An apparatus for analyzing a sample , comprising a sample receiving device , a gas chromatograph and a spectrophotometer , said spectrophotometer comprising a LED UV light source , where the LED is in close proximity to the optical fiber to allow light to enter directly in to the optical fiber without any focusing device , an elongated chamber and a detector , wherein the LED UV light source is arranged for illumination of sample substances conducted through the chamber , and wherein the detector is arranged for identification of sample substances by UV absorption spectroscopy , wherein the apparatus comprises LED UV light source that is at least one Light Emitting Diode , a LED , with a spectral range emitting shorter wavelengths than visible light from 120 to 390 nm.3. The apparatus according to claim 1 , wherein the light source utilizes sub wave lengths below 390 nm from a broad spectrum ...
Подробнее