BeNano series - Nanoparticle analysis

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Particle characterization from 0.3 nm to 15 µm in terms of size, zeta potential, molecular weight and microrheological properties using DLS, ELS and SLS

The BeNano series represents the latest generation of nanoparticle size and zeta potential measuring instruments. This system combines dynamic light scattering (DLS), electrophoretic light scattering (ELS) and static light scattering (SLS) to provide measurements of particle size, zeta potential, molecular weight, and rheological parameters. It is widely used in academic and industrial applications.

Features and benefits at a glance

advanced DLS technology: additional detection of backscattering and movable measuring position for higher sensitivity and wider concentration range compared to classic 90° DLS
advanced ELS technology: Phase analysis light scattering (PALS) allows zeta potential measurements even of samples with low electrophoretic mobility, e. g., close to the isoelectric point or with high conductivity
integrated DLS microrheology measurements: characterization of viscoelastic properties (G', G'', η*, J) over a wide frequency range at zero shear stress
temperature and pH-dependent measurements: fully automatic and software-controlled temperature trend (-15 - 110°C) and auto-titration experiments (using BAT-1 titrator)
stable and durable optical system: powerful 50 mW solid-state laser, single-mode fibre and avalanche photodiode (APD) detection system for optimal signal-to-noise ratio and maximum sensitivity
measurement automation thanks to Standard Operating Procedures (SOPs) in compliance with FDA 21 CFR Part 11 regulations
versatile calculation modes: various algorithms and parameters for scientific research requirements
comprehensive accessories for versatile applications: from capillary cells for smallest sample volumes (only 3-5 μL), to standard disposable or chemical-resistant glass cells, to U-shaped folded capillary Zeta potential cells or Dip Cell with platinum electrodes

Applications

Paints, coatings, pigments, inks and toners
Colloids, nanometals and metal oxides
Pharmaceutical and Home & Personal Care (HPC) formulations
Peptides, proteins, biomacromolecules and self-assembled micelles
Antigens and Antibodies
Food and beverages
Polymer latices and water/oil emulsion
Characterization of polymerisation and gelation processes
Understanding reaction mechanisms

Literature and standards

[1] ISO 13321 Particle size analysis – Photon correlation spectroscopy
[2] ISO 22412 Particle size analysis – Dynamic light scattering (DLS)
[3] ISO 13099-2 Colloidal systems – Methodes for zeta-potential determination – Part 2: Optical methods
[4] CIT (Chemie Ingenieur Technik) 03/2022; „Nanomaterialidentifikation entsprechend EU-Definition“

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3P Instruments - Analytical instruments and services for the characterization of particles, powders and pores

Over 30 years of expertise in measuring technologies and analytical instruments in the field of characterization of dispersions, particles, powders and porous solids make us an innovative and reliable partner for our customers. Moreover, we provide method developments for comprehensive characterization and contract analysis for apparently unsolvable measurement tasks in our Laboratory for Scientific Particle Analysis – LabSPA.

Thanks to our various analytical instruments, we can be very responsive to our customer requirements with different measuring methods:

In the field of particle characterization, we offer devices from Bettersize. This includes the Bettersizer S3 Plus for the determination of particle size distribution and particle shape in liquid media in the range 0.01 – 3,500 µm with a unique and innovative combination of laser diffraction and image analysis. The Bettersizer 2600 fulfills measurement tasks for particle size determination using dry or wet dispersion in the range 0.02 – 2,600 µm. For particle analysis in the nano and submicron range, we are proud to introduce our new BeNano series: the latest generation of nanoparticle analyzers. Dynamic light scattering (DLS), electrophoretic light scattering (ELS) and static light scattering (SLS) are integrated in the system to provide accurate measurements of particle size, zeta potential and molecular weight.

The devices of our 3P micro, 3P meso and 3P sync series are designed for the determination of the specific BET surface area, the pore volume and the pore size distribution of powders. The cryoTune series allows the realization of measuring temperatures in the range of 82 to 323 K for gas adsorption measurements for pore analysis - also suitable for upgrading on instruments of all manufacturers.

We also provide equipment in the field of chemisorption and temperature programmed reactions (TPx), analysis of breakthrough curves (dynamic sorption of gas/vapor mixtures), porosity, density, as well as stability of dispersions in original concentration and water vapor sorption.

The differentiation of our devices and measurement methods enables us to cover a wide range of application areas. No matter from which area our customers come: Research & Development, incoming and outgoing goods or quality control - we help to characterize dispersions, particles, powders and porous solids.

With 3P Instruments you will not only find the right instrument for the analysis of your dispersions, particles, powders and porous solids. Moreover, our more than 30 years of technical expertise makes us a reliable, customer- and solution-oriented service partner in the field of maintenance and repair of our instrument portfolio.