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Electrokinetic Analyzer for Solid Surface Analysis:
SurPASS 3

+4
360°

Model:

High-end electrokinetic analyzer for solid surface analysis
Fully automated zeta potential analysis on macroscopic solids
Automated detection of the isoelectric point
Time-dependent recording of liquid-on-solid adsorption kinetics

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Key features
Specifications
Standards
Documents
Complementary products

The SurPASS 3 series features fully automated zeta potential analysis of macroscopic solids under real-life conditions. As electrokinetic analyzers, they employ the classic streaming potential and streaming current method for a direct analysis of the surface zeta potential. The zeta potential is related to the surface charge at a solid/liquid interface and is a key parameter for understanding surface properties and developing new specialized materials.

Key features

Solid surface charge analysis made easy

The SurPASS 3 series allows for direct analysis of the zeta potential at the solid/liquid interface by means of streaming potential and streaming current measurement. This gives access to the full range of zeta potential of technical materials down to a few millivolts at unprecedented reliability and reproducibility. Gain instant access to information on surface charge without the need for sophisticated evaluation or expert knowledge.

Measuring solutions from tiny particles to large wafers

The wide range of SurPASS 3 measuring cells covers it all: Elaborate measuring cells accommodate samples of any geometry ranging from powders and fibers to planar solids. Sample-specific measuring cells for contact lenses, hollow fiber membranes, flexible tubings, syringes, and vials open up surface charge analysis on samples with complex geometries. The “plug in and start” functionality allows for a quick exchange of measuring cells. The software automatically recognizes the measuring cells and displays the zeta potential.

Fully automated measurements in less than two minutes

The intuitive SurPASS 3 software guides you through the measurement and displays all key parameters in real-time. The SurPASS 3 series provides zeta potential results in less than two minutes for maximized sample throughput. SurPASS 3 allows you to study pH dependences of zeta potential fully automatically and reveals the isoelectric point for a deep understanding of your sample’s chemistry. Liquid-on-solid surface adsorption kinetics can also be followed in real-time on model surfaces and on your actual sample.

Modular setup tailored to your needs

The SurPASS 3 series is just as versatile as your applications. Dedicated solutions are available for membrane applications, biomaterials, cosmetics, detergents, and semiconductors. Whether you are working on porous materials, such as membranes, or non-porous films and plates, particles >25 µm, granular material, fibers, or materials which swell strongly or are conductive: there are no restrictions. The modular setup of the instrument and measuring cells allows you to easily extend your zeta potential analysis to cover tomorrow’s needs.

Specifications

	SurPASS 3	SurPASS 3 Eco
Measuring range
Streaming potential	±2000 mV ± (0.2 % + 4 μV)
Streaming current	±2 mA ± (0.2 % + 1 pA)
Cell resistance	5 Ω to 20 MΩ ± (2 % + 0.5 Ω)
Pressure measurement	3500 mbar ± (0.2 % + 0.5 mbar) External pressure supply (compressed N₂) is required for differential pressure > 1200 mbar	1200 mbar ± (0.2 % + 0.5 mbar)
pH value	pH 2 to pH 12
Conductivity	0.1 mS/m to 1000 mS/m
Temperature	20 °C to 40 °C Temperature control option is available
Sample size requirements
Porous films, foils, or plates	Rectangular-shaped: 20 mm x 10 mm (max. thickness: 2 mm ) Disk-shaped: 14 mm or 15 mm in diameter (max. thickness: 2 mm)
Non-porous films, foils, or plates	Rectangular-shaped: 20 mm x 10 mm (max. thickness: 2 mm) or min. 35 mm x 15 mm (max. thickness: 40 mm) Disk-shaped: 14 mm or 15 mm in diameter (max. thickness: 2 mm) or min. 17 mm in diameter (max. thickness: 40 mm)
Particles	Particle size: min. 25 μm
Fibers	Min. 100 mg
Fabrics	Min. 30 mm x 30 mm
Hollow fiber membranes	Length: min. 170 mm
Ceramic membranes	Flat sheet: 14 mm in diameter Single channel: outer diameter 10 mm or 13 mm Multichannel: outer diameter 25 mm or 30 mm
Cylindrical cores	Height: max. 4 inch Diameter: 1 inch
Flexible tubing	Length: min. 100 mm Outer diameter: 0.7 mm to 6 mm
Pre-filled syringes	Syringe barrel “1.0 mL long” (ISO 11040-4)
Vials	2R/4R vials (ISO format), outer diameter 16 mm
Technical requirements
Mains supply	AC 115 to 230 V, 50 to 60 Hz, 200 VA
Dimensions	600 mm x 432 mm x 245 mm (D x W x H) Footprint: 612 mm x 536 mm (D x W) Clearance: 360 mm
Weight	26 kg	24 kg
Software requirements	Microsoft Windows® 7 32/64 bit with SP1 or later is required. Windows 7 Starter is not supported. Microsoft Windows® 8 32/64 bit Microsoft Windows® Server 2008/2008 R2 32/64 bit with Service Pack 2 or higher is required for Windows Server 2008 Microsoft Windows® 10 32/64 bit Intel® Core™ i3 CPU 4 GB RAM (depends on operating system) 20 GB free disk space 1 free USB port Screen resolution of at least 1024 x 768 at True Color (32 bit)

Standards

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ISO

13100:2024

Standards

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ISO

13100:2024

Anton Paar Certified Service

The Anton Paar quality in service and support:

More than 350 manufacturer-certified technical experts worldwide
Qualified support in your local language
Protection for your investment throughout its lifecycle
3-year warranty

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SurPASS 3 Publications

Asymmetric layer-by-layer polyelectrolyte nanofiltration membranes with tunable retention

Scheepers D, Chatillon B, Nijmeijer K, Borneman Z. Asymmetric layer-by-layer polyelectrolyte nanofiltration membranes with tunable retention. Journal of Polymer Science. 2021; 59: 1293. https://doi.org/10.1002/pol.20210166

Influence of protein adsorption on aggregation in prefilled syringes

Yoneda S, Maruno T, Mori A, Hioki A, Nishiumi H, Okada R, Murakami M, Zekun W, Fukuhara A, Itagaki N, Harauchi Y, Adachi S, Okuyama, K, Sawaguchi T, Torisu T, Uchiyama S. Influence of protein adsorption on aggregation in prefilled syringes. Pharamceutical Biotechnology. 2021; 110: P3568. https://doi.org/10.1016/j.xphs.2021.07.007

Surface zeta potential of ALD-grown metal-oxide films

Xia Z, Rozyyev V, Mane AU, Elam JW, Darling SB. Surface zeta potential of ALD-grown metal-oxide films. Langmuir. 2021; 37: 11618. https://doi.org/10.1021/acs.langmuir.1c02028

Tailoring the chemical functionalization of a transparent polyethylene foil for its application in an OLED-based DNA biosensor

Dansico E, Maroh B, Feldbacher S, Mühlbacher I, Schlögl S, Melpignano P. Tailoring the chemical functionalization of a transparent polyethylene foil for its application in an OLED-based DNA biosensor. Applied Surface Science. 2021; 552: 149408. https://doi.org/10.1016/j.apsusc.2021.149408

Applicability of electro-osmotic flow for the analysis of the surface zeta potential

Plohl O, Fras Zemljic L, Potrc S, Luxbacher T. Applicability of electro-osmotic flow for the analysis of the surface zeta potential. RSC Advances. 2020; 10: 6777. https://doi.org/10.1039/C9RA10414C

Physicochemical characterization of packaging foils coated by chitosan and polyphenols colloidal formulations

Zemljič LF, Plohl O, Vesel A, Luxbacher T, Potrč S. Physicochemical characterization of packaging foils coated by chitosan and polyphenols colloidal formulations. International Journal of Molecular Sciences. 2020; 21(2):495. https://doi.org/10.3390/ijms21020495

Chitosan/glycosaminoglycan scaffolds for skin reparation

Sandri G, Rossi S, Bonferoni MC, Miele D, Faccendini A, Del Favero E, Di Cola E, Cornaglia AI, Boselli C, Luxbacher T, Malavasi L, Cantu L, Ferrari F. Chitosan/glycosaminoglycan scaffolds for skin reparation. Carbohydrate Polymers. 2019; 220: 219. https://doi.org/10.1016/j.carbpol.2019.05.069

MS2 bacteriophage inactivation using a N-doped TiO2-coated photocatalytic membrane reactor: Influence of water-quality parameters

Horovitz I, Avisar D, Luster E, Lozzi L, Luxbacher T, Mamane H. MS2 bacteriophage inactivation using a N-doped TiO2-coated photocatalytic membrane reactor: Influence of water-quality parameters. Chemical Engineering Journal. 2018; 354: 995. https://doi.org/10.1016/j.cej.2018.08.083

New collagen-coated calcium phosphate synthetic bone filler (Synergoss®): A comparative surface analysis

Iviglia G, Morra M, Cassinelli C, Torre E, Rodriguez Y Baena R. New collagen-coated calcium phosphate synthetic bone filler (Synergoss®): A comparative surface analysis. International Journal of Applied Ceramic Technology. 2018; 15: 910. https://doi.org/10.1111/ijac.12854