Product category:
Viscometers and rheometers
News Release from: Viscotek Europe | Subject: HTDLS, 802- DAT, Omnisize 3.0, Y501 ARV
Edited by the Laboratorytalk Editorial
Team on 01 February 2007
Product bonanza for polymer and protein
scientists
Viscotek has announced a series of new product introductions will be made at Pittcon 2007 in Chicago, IL (USA)
At this important meeting Viscotek will launch its new high throughput dynamic light scattering (HTDLS) instrument Combining the proven benefits of Viscotek's patented single mode fibre (SMF) technology and an entirely new three-axis, automated platform - the HTDLS is a truly high throughput, dynamic light scattering system unhindered by compromise
This article was originally published on Laboratorytalk on 22 Jul 2008 at 8.00am (UK)
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Absolute molecular weights without extrapolation
Viscotek has announced new technical data that demonstrates how its unique low angle light scattering (Lals) detector achieves results not possible using traditional light scattering technologies.
Characterisation of natural and synthetic polymers
The Rimax gel permeation / size exclusion chromatography (GPC/SEC) is a powerful tool for the conventional characterisation of polymers, copolymers, proteins, nanoparticles and other macromolecules
The HTDLS delivers the highest sensitivity, wide range temperature control and low sample volume allowing you to make the most of your assays, whatever plate types you choose to use.
Achieving market-leading performance, the HTDLS cuts down measurement times to about one minute per sample well.
Traditionally laboratories faced with analysing higher concentration samples, such as emulsion or nanoparticles, have found traditional light scattering instruments limited both in terms of sensitivity and resolution.
Further reading
Better determination of xylene solubles
Viscotek's latest applications report describes a flow injection polymer analysis (Fipa) technique for superior results to traditional methods for gravimetric determination of xylene soluble polymers
Automated viscometer is ASTM method compliant
The Y501 Automated Relative Viscometer (ARV) from Viscotek is a productive system for automated measurement of the viscosities of dilute polymer solutions
To address these deficiencies Viscotek has launched the model 802- DAT.
Dual attenuation technology (DAT) is a unique technique that controls the level of light entering the sample as well as controlling scattered light going to the detector.
In this way, for the first time, researchers are able to work at the optimum conditions for the laser and detector irrespective of sample type.
In combination with Omnisize 3.0 software the new generation model 802 DLS with DAT is able to automatically adjust the instrument to its optimum setting sample by sample.
From 100% transmission for the maximum sensitivity right down to 0.0001% transmission for concentrated samples - a dynamic range of 10^6.
Visitors to booth 3838 will also have the chance see and discuss the latest versions of the company's market leading multi-detector GPC/SEC systems - the triple detector array (TDA) and the GPCmax.
Viscotek triple detection systems, which employ a concentration detector, viscometer and light scattering detector operating in concert, are today the defacto standard for the characterisation of natural and synthetic polymers and proteins in the petrochemical, specialty chemical, elastomers, adhesives, coatings, food, agricultural, academic, pharmaceutical and biotechnology markets.
For scientists looking to characterise and quantitate polymers in the production environment Viscotek will be showing its popular Fipa system and the latest version of its model 501 dilute solution viscometer (DSV).
To automate acquisition and processing of data Viscotek has consulted with industry users to produce new automated relative viscometry software.
Based upon Viscotek's patented Y501 viscometer design the Y501 ARV system measures solvent and sample viscosity simultaneously, avoiding errors due to temperature fluctuations and solvent variations.
The system provides faster analysis, greater precision and less solvent exposure when compared to the traditional Ubbelohde or Cannon-Fenske glass tube viscometers that it replaces. Request a free brochure from Viscotek Europe ...
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