A method for obtaining reproducibility of the retention times of the components of a mixture to be analysed in an apparatus for gaschromatographic analysis provided with a capillary column, when there occurs one of the following variations: variation in the length of the column, or alternatively its...http://www.google.com.au/patents/US7396386?utm_source=gb-gplus-sharePatent US7396386 - Method and apparatus for keeping constant the retention times in a gaschromatographic analysis
