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The Intuitive Dosing Pump for Aggressive and Corrosive Liquids
Dosing very aggressive and corrosive liquids in laboratories is a challenge. Diaphragm pumps are the ideal tool for this difficult task. The new SIMDOS®
chemicals. To do this, the SIMDOS® chemically resistant FFKM Kalrez®
02 FT (PTFE) from KNF has been especially developed for the transfer of aggressive 02 FT is fitted with a PTFE head, a PTFE-covered diaphragm, and valves. An optionally available Chemraz®
-valve kit even allows using
the pump with highly concentrated acids such as nitric, sulphuric and hydrochloric acids and solvents such as TFH, DMF, DMSO and MEK. The pump head is situated outside the splash-protected IP-65 housing, providing a very significant safety feature.
Also available with heads in PP or PVDF, the new SIMDOS® 02 FT dosing pump transfers liquids with a flow rate of 30 µl to 20 ml/min, and dose volumes of 30 µl up to 999 ml. Following calibration, repeatability is +/-1% (full range) and the pump offers excellent long-term stability and consistent reliability throughout entire processes. The SIMDOS® 02 FT dosing pump takes up very little valuable laboratory space. 02
FT is safe to run dry and is self-priming up to 2 m. It is effective against pressures of up to 6 bar, and transfers viscous media up to 150 centistokes. The integrated software permits the transfer parameters to be modified for a range of different viscosities at the touch of a button. Thanks to its neat design and small footprint, the new SIMDOS®
SIMDOS®
02 FT highlights include: FT head / FFKM valves for aggressive and corrosive liquids; intuitive operation; fast and simple calibration; pause function without data loss; adjustable transfer parameters; splash-protected design for increased safety; minimal footprint.
28240pr@reply-direct.com Next Generation Magnetic Stirrer/Hot Plate
General laboratory equipment specialist Shinetek Instruments brings out its first model of next generation magnetic stirrer/hot plate. As part of the Wiggens brand the new WH-220 HT comes with infrared heating technology and a glass ceramic top plate which is unique in the world of magnetic stirrers and hot plates.
The infrared heating technology allows the Wiggens WH-220 HT to go up to a maximum temperature of 500°C in order to meet the increasing demand towards high temperature heating. The advantages of infrared heating, however, are manifold and not limited to the high maximum temperature. The heat is provided almost instantaneously and can be cut off just as quick. The instant heat provision and the nearly loss-free heat transfer enables the Wiggens WH-220 HT to heat up solutions much quicker than traditional stirrers with heating function and to provide a much more stable temperature once the desired mark is reached.
The glass ceramic top plate is perfectly fitted and sealed on top of the stirrer so that spilled liquids are prevented from entering the interior of the device. The glass ceramic material can resist over 700°C thermal shocks and shows a very good chemical resistance, which significantly enhances the durability of the Wiggens WH-220 HT.
With a heating power of 500W, the Wiggens WH-220 HT is a highly effective and economical stirrer / hot plate, which comes in a compact design and can be operated intuitively and conveniently via touch key pad.
28110pr@reply-direct.com New ‘More Solutions to Sticky Problems’
Brookfield Engineering introduces their updated ‘More Solutions to Sticky Problems’. This guide is a valuable resource for professionals who want to get more from their Viscometers and Rheometers. It explains the process of making rheological measurements and suggests Brookfield instrumentation for specific applications. The guide presents additional viscosity measurement techniques and explains the difference between Newtonian and non-Newtonian fluids.
Chapter 1 of More Solutions to Sticky Problems discusses the primary reasons for making rheological measurements and Chapter 2 presents the wide variety of instruments, accessories and systems designed for specific applications. The 3rd chapter takes the reader through the actual process of making viscosity measurements and chapter 4 digs deeper into the basics of Rheology. Chapter 5 discusses how to analyse data and the 6th Chapter explains various test methods.
The guide also contains several appendices covering everything from spindle dimensions and entry codes, to shear rates, ASTM specifications, and a list of industry publications covering rheology and viscosity measurement.
31149pr@reply-direct.com
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