48 Extremely Flexible Device for High Pressure Parallel Chemistry
Asynt announce the launch of the Multicell PLUS, a high pressure parallel reactor system with a wide choice of configurations for optimised screening of chemical reactions. Constructed as standard from durable 316 stainless steel, the Multicell PLUS is an affordable, compact device that, depending on the configuration chosen, can be used to screen 4, 6, 8 or 10 parallel reactions. A choice of cell size allows the user to perform reactions in parallel with volumes ranging from 30 to 100ml, at pressures of up to 100 bar and temperatures of 300ºC. The Multicell PLUS can be used simply with a hotplate stirrer, for heating only, or can be upgraded to allow for individual heating of every reactor cell. For applications requiring sub-ambient temperatures the Multicell Plus can be supplied with connections for an external circulator.
The key feature of the Multicell PLUS is that, despite the small footprint, each reactor cell is supplied with multiple inlet/outlet ports to allow for individual optimisation of the reactor configuration.
There are a wide variety of options available to customise the Multicell PLUS including, but not limited to, multi zone heating, individual overhead stirrer drives, cell charging and sampling apparatus, as well as cell-to-cell isolation to allow for differing chemistries and reaction conditions to be employed without the risk of cross- contamination. Drawing upon its skilled engineers, Asynt can also supply their versatile high-pressure parallel reactor from alternative materials including Hastelloy, Inconel, Titanium and alloy steels, allowing for greater heat capacity and use with particularly corrosive or caustic chemicals.
Each Multicell PLUS reactor is extremely easy to set-up and use, with a simple and innovative tool-free closure mechanism. All Asynt high pressure reactors conform to a wide range of national and international safety standards, including the Pressure Equipment Directive 97/23/EC (PED), Pressure Systems Safety Regulations 2000 (PSSR) and British Compressed Gases CP4 Rev2 (1998).
More information online:
ilmt.co/PL/O42l 48866pr@reply-direct.com
Laboratory Fume Hood Line Provides Protection for Every Application
Hemco UniFlow Laboratory Fume Hoods are the most complete line of fume hoods in the industry. UniFlow AireStream low flow high performance fume hoods feature an exclusive all composite resin construction that is chemical resistant, flame retardant, lightweight, and meets UL 1805, SEFA 1, ASHRAE 110, and ANSI Z9.5 standards. These hoods have a moulded one piece seamless composite resin interior fume chamber that has all coved corners and is white for superior light reflectivity. Available in sizes from 30” to 96” wide and in depths of 24” to 48”, and in CAV (air bypass) or VAV (restricted bypass) models. A wide selection of accessories and services are optional to meet exact user requirements.
Other UniFlow Fume Hoods are engineered and built for specialty applications such as perchloric acid that has either a type 316 stainless steel or PVC welded one piece interior fume chamber including work surface and rear drain trough, acid digestion that has an HDPE welded one piece interior fume chamber including work surface and optional rear drain trough, radioisotope that has a type 304 stainless steel welded one piece interior fume chamber including work surface, and trace metals that has a polypropylene welded one piece interior fume chamber including the work surface. Each of these fume hoods would still have the composite resin exterior superstructure in lieu of traditional painted steel.
Support base cabinets, heavy-duty tables and epoxy resin, phenolic resin or stainless steel dished work surfaces are offered to complete the UniFlow fume hood installation. Additional lab furniture can be designed with the fume hoods including sinks, faucets, wall cabinets to complete the laboratory.
More information online:
ilmt.co/PL/ky6D 42846pr@reply-direct.com
New Mixer Mill Achieves Grind Sizes in the Nanometer Range
With the new Mixer Mill MM 500 Retsch has developed the first ball mill with a frequency of 35 Hz which produces enough energy for efficient wet grinding of samples down to the nanometer range.
Based on performance, operation, application fields and design the MM 500 is a unique combination of a classic mixer mill and a planetary ball mill. Hence, it is perfectly suited for long-term grindings of several hours with high energy input to obtain particles sizes <1 µm, eg. for mechanical alloying or chemical reactions. Thanks to only moderate warming effects, no cooling breaks are required when using the MM 500. On top of that, operation and handling are more comfortable than with planetary ball mills.
The benchtop unit is also suitable for dry, wet and cryogenic grinding of sample volumes up to 2 x 45 ml in one working run. It mixes and pulverizes powders and suspensions in only a few seconds.
The MM 500 can be controlled via the new optional Retsch App which provides functionalities like creation of application routines, access to the Retsch database or direct contact to the Retsch service team.
Additional benefits include: long-term grinding up to 99 h; great flexibility due to grinding jar volumes of 50 ml, 80 ml, 125 ml and 4 different materials; new jar design allows for full use of volume, also for wet grinding; grinding jars may remain clamped in the mill for taking a sub-sample; screw-Lock, jars pressure-tight up to 5 bar.
49169pr@reply-direct.com
Bottle-top Dispensers Offer High Chemical Resistance
The Calibrex™ bottle top dispensers are robust dosing instruments with excellent chemical resistance. Intended for the safe and reproducible liquid distribution, the line includes a total of 7 different sizes to cover volumes up to 100 mL: 0.1-1 / 0.25-2.5 / 0.5-5 / 1-10 / 2.5-25 / 5-50 / 10-100 mL. The Calibrex™ organo 525 includes a ground glass or ceramic plunger, both suited for organics and non-crystallising solutions.
The Calibrex™ solutae 530 has a glass or ceramic PFA coated plunger, preventing the crystallisation of chemicals. It enables trouble free distribution of salt solutions, weak and strong acids, as well as bases.
Volume setting with a spring-loaded sliding cursor softly moves up and down along dual scale. An optional flow control stopcock for priming dispenser ensures reagent is recycled without loss or contamination. The barrel has a transparent sleeve for liquid visibility and a screw locking stopper prevents any leak. Valves, plunger, barrel and delivery jet are removable in seconds for cleaning. The glass barrel with thick wall contributes to overall dispenser robustness. Printed QR code provides instant access to chemical resistance chart. All Calibrex™ models are fully autoclavable at 121°C / 250°F.
Calibration is possible at any time. Access to mechanism is protected by safety seal sticker. Integrated key, located under plunger cap, includes engraved +/- arrows for easy and precise setting. Each dispenser bears its own serial number and passes a stringent quality control attested by an individual certificate. The instrument comes with a two-year warranty.
More information online:
ilmt.co/PL/2oDE 45984pr@reply-direct.com
INTERNATIONAL LABMATE - JULY 2019
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