Tenders Are Invited For Laboratory, Optical And Precision Equipments (Excl. Glasses) – Isotopenverhältnis-Massenspektrometer (Irms)

Laboratory, Optical And Precision Equipments (Excl. Glasses) – Isotopenverhältnis-Massenspektrometer (Irms). General Device Requirements: - The System Must Enable A Precise And Reliable Analysis Of 13C, 15N And 34S, With Optional Support For 18O And 2H. Upstability To Other Isotope Systems With A Constant Platform Structure Is Rated Positively. -It Must Use An Electron Shock Source, An Electromagnet And A Multiple Collector-Faraday Array For The Simultaneous Detection Of Isotope Conditions. - The Analytical Precision Must Meet Or Exceed At Least The Following Values: O? 13C: ± 0.10/00 At 50 Μg C O? 15N: ± 0.150/00 At 50 Μg N O? 34S: ± 0.30/00 At 15 Μg S - A Higher Precision For Lower Samples Is Desirable And Should Be Laid Out By Real Measurement Data. - The Device Must Cover A Large Dynamic Range In Element Ratios And Enable A Seamless Change Between Samples With A Natural Isotope Ratio And Isotopic Samples. This Also Includes The Automatic Switching Between Amplifier Resistors During Analysis. - The Adjustment Of All Analyted Gases Must Be Fully Automated, With The Possibility Of Manual Control. - An Automatic Standby Mode To Reduce Consumption And A Programmable Recovery Function Must Be Available. - The System Is Intended To Enable An Overall Helium -Optimized Operation. - The Operating Noise Level Should Not Exceed 50 Db. - A Vacuum Insulation Valve Must Be Included, Which Automatically Closes In The Event Of A Power Failure To Protect The High Vacuum Area. - The Vacuum Chamber Should Consist Entirely Of Stainless Steel 316L. - The Ion Source And Relevant Cleaning Areas Should Be Accessible To Trained Users: Accessible On The Inside. - The Device Must Have A Compact Design And Ideally Be Suitable For Installation On A Laboratory Table In Space -Based Environments. -After The System Start, The H2o Background Signal (M/Z 18) Should Decrease Within Six Hours Below 5 × 10-11 A (At 200 Μa Trap Current). - The Optional Integration With A Membrane Inlet (Mims) Must Be Supported. The Scope Of Services Includes: 1. Fulfillment Of The Device Requirements 2. Software And Control 3. Inlet And Gas Guidance 4. Elementary Analyzer (Ea) 5. Gas Inlet-Headspace Analysis 6. Installation And Training