Tenders Are Invited For Delivery Of An Integrated Gpc/Sec Chromatographic System

Delivery Of The Integrated Gpc/Sec Chromatographic System To The Institute Of Physical Chemistry Of The Polish Academy Of Sciences Case Reference: Zp.2401.22.2023 Specification: Technical Parameters Of The Integrated Gpc/Sec Chromatographic System Including: 1 Integrated Pumping And Dosing Systema. Pulsation-Free Pump Enabling Analysis In The Flow Range From 0.05 To 10 Ml/Min (Pressure Range From 0 To 34.5 Mpa)B. Vacuum Degasser C. Autosampler For 96 Vials With Thermostatic Trays In The Range From 4 To 60°C. Injection Volume In The Range Of 1 - 300 Μl, The Possibility Of Sample Injection In A Lossless Mode D. Column Thermostat That Can Accommodate Up To 6 Columns, With Temperature Control In The Range Of 20 To 65°C E. All Elements Enclosed In A Common Housing Equipped With Leakage Sensors. All Detectors, Measuring Cells And Hoses Connecting Individual Detectors Enclosed In One Housing To Minimize Temperature Gradients. 2 Integrated Detection Module Containing The Following Detectorsa. Ri Refractometric Detector With The Following Parameters: - Sensitivity: 100 Ng Bsa In Pbs - Dynamic Range: ±2.5 X10-4 Riu - Baseline Noise <10-7 Riu - Baseline Drift <3X10-7 Riu/H - Volume Of The Measuring Cell: 12 Μl ⎯ Light Wavelength: 640 Nm B. Ls Light Scattering Detector (Rals/Lals) With The Following Parameters: ⎯ Sensitivity 100 Ng Bsa In Pbs ⎯ Dynamic Range: 2500 Mv ⎯ Baseline Noise: <0.1 Mv ⎯ Baseline Drift: <0.2 Mv/H ⎯ Direct Measurement Of Molecular Weight Over The Entire Range, Based On Single-Angle Measurement (No Extrapolation) With Measurement Angles Lals 7° And Rals 90° ⎯ Molecular Weight Range: 200 – 107 Da ⎯ Measuring Cell Volume: 18 Μl ⎯ Laser: 640 Nm, 50 Mw Power C. Uv Light Absorption Detector Enabling Signal Collection With The Following Parameters: ⎯ Wavelength Range 190 - 900 Nm, 1024 Channels ⎯ Measuring Cell Volume: 7.5 Μl ⎯ Optical Path Length: 10 Mm ⎯ Noise: 2 X 10-5 Au ⎯ Baseline Drift: 5 X 10-4 Au/H With An Automatic Balancing Mechanism. ⎯ Replaceable Viscometer Bridge Without Service Intervention. ⎯ Sensitivity: 3Μg Of 100 Kda Polystyrene In Thf Appendix 2⎯ Baseline Drift: <0.2 Kpa/H3 Software: A. Enabling The Collection And Processing Of Measurement Data, Compatible With The Windows System (On Which The Ordering Party Works). Determined Parameters: Concentration, Dn/Dc, Molecular Weight (Mn, Mw), Hydrodynamic Radius, Polydispersity. B. Allowing For The Calculation Of The Molecular Weight, Thanks To The Generated Calibration Curve, Based On Standards Of Known Molecular Weight. The Weight Of The Test Sample Is Then Read By Comparing Its Retention Time To A Standard Curve, Using Conventional Calibration Software4 Compatible Separation Columns: A. Safety Columnb. Column For Organic Eluents In The Range Of Molecular Weight Separation Minimum 102 Da-107 Da, Exclusion Limit Minimum 20,000,000 Da.C. Column For Aqueous Eluents With Molecular Weight Separation Of Minimum 102 Da -106 Da, Exclusion Limit Of Minimum 1,000,000 Da.5 Control Computer: A. Windows Operating Systemb. Equipped With A Monitor, Keyboard And Mouse. Cooperating With Software Enabling Control Of The Chromatographic System, Working With Detectors And Data Analysis Installation Within A Period Not Exceeding 5 Calendar Days, Including Verification Tests, Operational And Maintenance Training And Measurement Techniques; Application Training At The Recipients Premises. The Contractor Will Deliver The Equipment To The Place Indicated By The Employer . Along With The Delivery, The Contractor Shall Provide The Documents Necessary For The Proper Operation Of The Devices, In Particular The Instructions For Use In Polish Or English, As Well As Warranty Documents. The Warranty Period Is Not Less Than 12 Months From The Date Of The Protocol Acceptance Without Reservations Of The Subject Of The Contract. The Response Time To The Reported Defect Will Not Be Longer Than 3 Days. Delivery Time - No More Than 180 Calendar Days From The Date Of Signing The Contract.