Tenders Are Invited For Laboratory, Optical And Precision Equipments (Excl. Glasses) - Delivery Of An Analyzer For The Size, Concentration And Zeta Potential Of Nanometer Particles Dispersed In Solution To The Institute Of Agrophysics. Bohdan Dobrzański Polish Academy Of Sciences In Lublin – 1 Piece

Laboratory, Optical And Precision Equipments (Excl. Glasses) - Delivery Of An Analyzer For The Size, Concentration And Zeta Potential Of Nanometer Particles Dispersed In Solution To The Institute Of Agrophysics. Bohdan Dobrzański Polish Academy Of Sciences In Lublin – 1 Piece. The Subject Of The Order Is The Supply Of An Analyzer For The Size, Concentration And Zeta Potential Of Nanometer Particles Dispersed In A Solution To The Institute Of Agrophysics. Bohdan Dobrzański – 1 Piece. A Detailed Description Of The Subject Of The Order Is Included In Annex No. 1 To The Swz. No. Required - Minimum Parameters: Condition: 1. Analyzer Of The Size, Concentration And Zeta Potential Of Nanometer Particles Dispersed In Solution A Necessary Condition 1.1 Analytical Parameters: A Necessary Condition 1.1.1 Particle Size Measurement: A Necessary Condition 1.1.1.1 Measurement Technique: Dynamic Light Scattering (Dls) And Large-Angle Dynamic Light Scattering (Madls) A Necessary Condition 1.1.1.2 Three Measurement Angles: 173 Degrees, 90 Degrees And 13 Degrees A Necessary Condition 1.1.1.3 Measurement Range From 0.3 Nm To 10 Μm A Necessary Condition 1.1.1.4 Minimum Sample Concentration - Min. 0.1 Mg/Ml Necessary Condition 1.1.1.5 Maximum Sample Concentration - Min. 40% W/V Necessary Condition 1.1.1.6 Minimum Sample Volume - 40 Μl Necessary Condition 1.1.1.7 Advanced Dls And Madls Data Analysis Algorithm - Adaptive Correlation - Detecting, Identifying And Eliminating The Signal Coming From Individual Impurities That Typically Interfere With The Measurement, Allowing For Obtaining More Precise And Repeatable Measurement Data In A Shorter Time Than Standard Correlation Algorithms Necessary Condition 1.1.1.8 Variable Position Measurement In The Cell, Adjusted Automatically By The Device Depending On The Concentration Of The Tested Sample And Carried Out While Maintaining One Scattering Angle To Maintain The Consistency Of Data Obtained At Different Concentrations. Necessary Condition 1.1.2 Zeta Potential Measurement: Necessary Condition 1.1.2.1 Measurement Technique: M3-Pals With Constant Current Mode For Measuring High Conductivity Samples Necessary Condition 1.1.2.2 Zeta Potential Range: No Effective Limits Necessary Condition 1.1.2.3 Particle Size Range For Zeta Potential Measurement: 3.8 Nm - 100 Μm. Necessary Condition 1.1.2.4 Sensitivity For Zeta Potential Measurements: 1 Mg/Ml Necessary Condition 1.1.2.5 Minimum Sample Volume - 20 Μl Necessary Condition 1.1.2.6 Maximum Sample Conductivity: 260 Ms/Cm Necessary Condition 1.1.2.7 Accuracy Of Conductivity Measurement: 10% Necessary Condition 1.1.2.8 Measurement In Cuvettes Disposable. Possibility To Measure Delicate Samples Using The Diffusion Barrier Technique. Necessary Condition 1.1.3 Measurement Of Particle Concentration: Necessary Condition 1.1.3.1 Measurement Of Particle Concentration In The Range Of Min. From 1 X 108 To 1 X 1012 Particles/Ml Necessary Condition 1.1.4. Molecular Weight Measurement: Necessary Condition 1.1.4.1 Molecular Weight Measurement In The Range Of Min. From 300 Da To 20 Mda Using The Sls Method, A Necessary Condition 1.1.4.2 Determination Of The Dynamic Interaction Parameter Kd Using The Dls Method, A Necessary Condition 1.1.4.3 Determination Of The Second Viral Coefficient B22 Using The Sls Method, A Necessary Condition 1.1.5 Other Features: A Necessary Condition 1.1.5.1 Measurement In The Temperature Range Of Min. From 0 To 120°C Condition