SurPASS™ 3
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Solid Surface Charge SurPASS™ 3

Streaming Answers: SurPASS™ 3 Analyzing surface properties can easily become very complex as many influencing factors have to be considered. A direct method which delivers insights into the surface properties makes it possible to carry out routine tests and investigations under real-life conditions and is therefore the preferred choice. With SurPASS™ 3 for surface analysis you can generate a stream of answers for routine and individual tasks using real samples, independent of the sample geometry. The determined zeta potential is indicative for any changes occurring to solid surfaces. These...

One instrument gives a stream of answers Zeta potential reflects the individual surface properties and informs on: 4 The charging behavior of your surface when in contact with a liquid 4 The influence of pH and ionic strength 4 The isoelectric point which is characteristic for the surface chemistry 4 The presence of specific functional groups on the surface 4 The success of surface modifications 4 Adsorption and desorption behavior of additives on surfaces

You want to know the effect of external treatments on your material. With SurPASS™ 3 you are able to follow the change of surface properties directly step by step. 4 For enhanced polymers’ wettability, printability or adhesion. 4 For reinforced polymers’ use as heavy-duty materials. You seek to optimize a material‘s use under real-life conditions. Changes in the behavior of surface properties during use can be observed under real conditions with SurPASS™ 3 without being restricted to model surfaces. 4 For development of detergents with special cleaning effects. 4 For perfect dyeing, washing...

You plan to save resources and reduce environmental impact. Every material shows signs of wear during use. In order to extend the material’s lifetime, surfaces have to be modified to achieve higher stability and better chemical and weather resistance. The success or failure of surface modifications can be evaluated with SurPASS™ 3. 4 For developing special coatings to make metals withstand the environmental influences which lead to corrosion. 4 For preventing membrane fouling to get an expensive issue under control. You strive to achieve biocompatibility to ensure health. The human body...

Pushing limits – streaming answers SurPASS™ 3 brings you a step closer to the truth. The zeta potential values characterize surfaces and the changes occurring on surfaces due to external influences. Investigations are under reallife conditions and generate a stream of answers which can be applied directly to improve surface properties, processes and treatments. Don’t simulate – Measure directly With SurPASS™ 3 there is no need to use model surfaces to understand surface characteristics. Measurement is performed on real samples without restrictions to the samples’ origin. Porous or rough...

No restrictions: all samples are welcome Pushing limits with the “enhanced SurPASS principle” Independent of origin, shape, size or roughness, SurPASS™ 3 determines reliable and reproducible zeta potential values. Elaborate measuring cells for individual sample materials give you the utmost flexibility for your quality control and investigations. Automated features make measurement and data acquisition simple. Due to the nature of the measuring principle, SurPASS™ 3 is compatible with physiological conditions and high- and low-salt solutions of simple and complex electrolyte composition....

SurPASS™ 3: fast – direct – universal Easily fits into your lab SurPASS™ 3 has a compact design with a small footprint of 612 mm x 536 mm (DxW). You can measure streaming potential, streaming current, cell resistance, pressure, pH, conductivity, temperature, adsorption kinetics and display zeta potential in one go. With SurPASS™ 3 there are no limits: You benefit from a wide range of different measuring cells which suit any sample geometry, size and origin. The measuring cell is recognized automatically. Titrate pH trends automatically A fully automated titration unit integrated into...

Unique and unsurpassed possibilities – The Adjustable Gap Cell For rectangular and disk-shaped solid samples like polymer films, membranes, QCM sensors. 4 Sample size: 20 mm x 10 mm, 14 mm or 15 mm in diameter, thickness: max. 2 mm. 4 Ideal for measurements on porous materials and materials which swell strongly. Flexible and outstanding – The Clamping Cell For planar surfaces like polymer films and sheets, metals, ceramics, glass and semiconductor wafers. 4 Sample size: min. 35 mm x 15 mm, thickness: max. 20 mm. 4 Enables the non-destructive measurement of samples with different...

Straightforward analysis with the SurPASS™ 3 software The SurPASS™ 3 software takes over most functions automatically for quick and easy measurements. Push the start button and straightforward analysis starts without the need for sophisticated evaluation or expert knowledge. ©Isoelectric Pear*

Status screen ► Setup of the measurement parameters, start and go. ► Real-time visualization of the key measurement parameters. ► Measurement data saved in MS Excel® format. Zeta potential measurement ► Start a zeta potential measurement directly at defined pH value. ► The used measurement cell is automatically recognized. Automatic detection of the isoelectric point ► SurPASS™ 3 automatically determines whether acidic or alkaline titration ► Highly efficient measurement mode. ► Automated pH titration over the desired pH range. ► pH sweep from pH 2 to pH 10 in less than 60 minutes....

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