Gas Analysis Content Articles Needed

I am trying to build an industry related portal. I need professional quality contents articles about Gas Analysis. The articles have to be keyword reach to please Google natural search and Google AdWords. You have to know the industry, types of Gas Analysers, Gases, ... I am a professional in the field, so, please, do not try to fool me. I need aricles on an ongoing basis. Please, bid for 10 500 word articles. If you are who I am looking for, we'll expand the project for more articles. Happy bidding. mammon