Laboratory Products 77
Moisture Analysers Incorporate Speed and Intuitive Features
With smart features developed specifically for simple operation and quick response time, Adam Equipment’s PMB moisture analysers offer the top value in their class. Two PMB models are available: PMB 53 provides results at 0.01%/1mg with a capacity of 50g, while PMB 202 provides results at 0.1%/10mg with a capacity of 200g.
Adam Equipment sets a new standard for data collection in moisture analysis. The automatic test- setting function lets users quickly repeat tests without added input. USB and RS-232 interfaces provide effortless computer and printer connections. There is no need for additional software to take readings, giving users total freedom to collect data on a production floor or in the field. The PMB also allows use of a flash drive to store test programs and unlimited results for future analysis.
A single 400-watt halogen bulb heats samples in 1°C selectable increments. Three heating options give users the flexibility to customise test methods and temperatures for different materials.
The PMB provides rugged metal housing, a pan lifter to easily remove samples, automatic external calibration, capacity tracker and levelling bubble. Its rapid response time and intuitive features make this moisture analyser ideal for a range of applications.
MORE INFO. 213
Work on Aspects of Large Molecule Characterisation Presented at SCM-6
Experts from Malvern Instruments made oral and poster presentations at SCM-6, the 6th International Symposium on the Separation and Characterization of Natural and Synthetic Macromolecules, which took place in Dresden, Germany, from 6-8 February 2013. Bernd Tartsch, Product Applications Specialist for Separations at Malvern spoke about ‘How molecular weight and branching of polymers influences laser sintering techniques and light scattering techniques’ and a poster written by John Duffy, Product Technical Specialist for Rheometry, discussed ‘Using microrheology to fully characterise the dynamic spectrum and viscoelastic properties of natural and synthetic macromolecules in solution’.
Malvern exhibits were from its range of solutions for the separation and characterisation of large molecules. This range includes Viscotek gel permeation/size exclusion chromatography (GPC/SEC) systems that measure absolute molecular weight, mass, size, concentration and the molecular structure of proteins, polymers and other macromolecules, and Zetasizer instruments which apply dynamic light scattering to measure particle size, zeta potential, protein charge and molecular weight, providing critical information about stability or aggregation. Following the launch of a new Zetasizer instrument last year, which included additions to the software, dynamic light scattering technology can also be used to make microrheology measurements with the Zetasizer Nano ZS and Zetasizer Nano ZSP instruments.
In his lecture, Bernd Tartsch discussed the need to use high quality polymers in the laser sintering processes that are used to build up complex components layer by layer, and in which the re-use and recycling of polymers is crucial for cost-effective operation. Size exclusion chromatography with light scattering and viscosity detection is shown as a versatile tool to determine the molecular weight and degree of branching of the polymers in order to judge if the material can be re-used or not. Malvern’s poster looked at the application of rapidly evolving microrheological techniques for understanding the rheology and dynamics of macromolecular solutions, examining optical microrheology based on Dynamic Light Scattering (DLS). This study shows how the combined benefits of conventional macrorheology and DLS microrheology techniques significantly extend the accessible frequency range for measuring the viscoelastic spectrum of macromolecular solutions.
MORE INFO. 215
Specialists in Titration & Electrochemistry Technology
low level water content determination down to 1ppm.Volumetric Karl Fischer titrator for measuring water contents in the milligram through to high percentage ranges.
Titra-Max Total Acid Number, Total Base Number and Mercaptan Sulphur determinations all on one easy to use system. Micro TAN titrator specifically designed for Total Acid Number determinations of transformer insulating oils.
E-Chem
The E500 series of high precision benchtop pH and conductivity meters.
Worldwide distributor network – contact us for details
G.R. Scientific Ltd P.O. Box 242, Ampthill, Bedfordshire, MK45 5AQ,
Tel. +44 1525 404747 • Fax. +44 1525 404848 Email
info@grscientific.com • Web
www.grscientific.com
MORE INFO. 214
SENTEK Introduce a Surfactant Electrode COM NA ON COMBINATION IONIC IONIC SURF FACTANT PROBE P O
Salient Points: 1)
Suitable for both anionic and caonic surfactant measurements
2) Both Combinaon probe and a Mono are available (mono requires double juncon reference probe)
Effortless Access to Microplate Information
Porvair Sciences, specialist manufacturer of high quality microplates, microplate equipment and tissue culture plastics, has launched a new website to provide visitors with in-depth information relating to its comprehensive range of products and custom design service.
Designed to enable visitors to effortlessly navigate through over 900 products, arranged according to application use, the new
www.porvair-sciences.com is truly a site worth bookmarking by microplate and tissue culture plastics users. Reflecting the global nature of Porvair's business the new site has been developed in English, Chinese, French and German.
The Porvair range includes vacuum manifolds, sealers, evaporators and microtitre plates in all popular styles; deep well and shallow well storage plates, assay plates, filter plates, luciferase reporter gene plates and liquid handling reagent reservoirs. Porvair also provides custom microplate products for life science research as well as high quality tissue culture, cell culture and epigenetics plasticware.
All this information can be downloaded, or read online, as the website's user friendly interface provides visitors with easy access to Porvair Sciences internationally acknowledged product range catalogue and full product schematics. A rapid search facility also allows visitors to identify products by name, type or part number.
Regularly updated with the latest product introductions, applications advances, product videos, selection guides, company news and a future events section the new site aims to keep you informed. Easy access is provided on site to Porvair's technical support group as well as listing contact details for local distributors around the world.
MORE INFO. 217
For a better way to get your message across...
Contact Sales Department at: SENTEK LIMITED, Unit 6 & 7 Criall Court, Criall Drive, Springwood Industrial Estate, Braintree, Essex, CM7 2SE. Tel: +44 (0) 1376 340 456 Fax: +44 (0) 1376 340 453 Email:
sentekuk@btconnect.com For further informaon
MORE INFO. 216
Contact:
sales@intlabmate.com
INTERNATIONAL LABMATE - JANUARY/FEBRUARY 2013
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