Laboratory, Optical And Precision Equipments (Excl. Glasses) – Purchase Of A Dls Device In The Digitall Project. 1 New Dynamic Light Scattering Meter (Dls) Minimum Technical Parameters Of The Device: The Desktop Multifunctional Device Should Be Suitable For Determining The Size Distribution Of Nanoparticles Dispersed In A Liquid By Dynamic Light Scattering Measurement (Dls), For Determining The Zeta Potential Distribution Using The Principle Of Electrophoretic Light Scattering (Els), And For Determining The Molecular Weight Distribution Of Macromolecular Solutions Using Static With Light Scattering (Sls) Measurement Technique, Both In Batch And Flow-Through Mode. The Instrument Should Be Able To Determine The Diameter Distribution Of Particles Dispersed In Aqueous Samples At Different Temperatures Using The Dynamic Light Scattering (Dls - Dynamic Light Scattering) Technique: - In The Sample Temperature Range That Can Be Controlled By The Device, At Least Between 0°C And 90°C, - At Least In The Range Of 0.3 Nm – 10 In The Μm Particle Size Range With - ± 5% Accuracy And - ± 5% Repeatability. The Instrument Should Be Able To Determine The Zeta Potential Distribution Using The Electrophoretic Light Scattering (Els – Electrophoretic Light Scattering) Technique: - At Least In The Interval Between -500 Mv And + 500 Mv, - The Accuracy Of The Measurement Should Be Better Than ±10%, - And Its Repeatability Should Be ±5 %. The Device Should Be Suitable For Determining The Molecular Weight Of Polymer Solutions, The Parameters For The Determination: - Minimum Measurement Range (Molecular Weight): 1000-20 000 000 Da - Accuracy: Better Than ± 10% - Repeatability: Better Than ± 5% The Temperature Of The Sample Can Be Controlled Using The Device Be At Least In The Temperature Range Of 0°C-90°C. The Automatic Dosing System Required For Measurements In Flow-Through Mode Should Be Part Of The Delivered Device, And The Control Of The Instrument And The Dosing System Should Be Software Integrated. The Software-Controlled Ph Titration Unit Connected To The Instrument Should Be Suitable For Testing The Automated Ph Dependence Of The Particle Size And Zeta Potential, And For Determining The Isoelectric Point. The Operating Software To Be Supplied With The Instrument: - Can Be Installed On A Computer, - Is Fully Functional, - Is In English Or Hungarian, - Is A Perpetual License. The Meter Must: - Have At Least 1 Usb Port, - A Plug Compatible With The Hungarian Electrical Network (230V, 50 Hz), And - Be Able To Accept An Ethernet Cable. When Delivered, The Device Includes: - The Hungarian Or English Operating Instructions, - For All Three Types Of Measurement, The Instrument Assembly Must Contain The Complete Accessories And Software Package Required For Installation And Operation, Including A Set Of Cuvettes Suitable For Measuring Samples With An Aqueous Medium. The Cuvette Set Should Contain: - 100 Disposable Polystyrene Cuvettes For Particle Size Analysis - 10 Cuvettes With Electrodes For Particle Size Analysis And Zeta Potential Measurement - 1 Quartz Cuvette Or Glass Cuvette For Molecular Weight Determination And Measurement In Organic Solvents Commissioning, With Test Operation. Materials Required For Commissioning And Test Operation Are Provided By The Supplier. Training: 1 Day (8 Hours/Day) With Test Operation For 3 People. Warranty: 12 Months Add To Offer
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