A chromatograph includes an inlet for receiving a sample and a pressurized hydrogen gas flow and in response providing a sample/fluid mixture; a separation column located in a temperature-controlled zone for receiving the sample/fluid mixture and for providing a column effluent stream; a detector for...http://www.google.es/patents/US6063166?utm_source=gb-gplus-sharePatente US6063166 - Chromatograph having a gas storage system