Pumps, Valves & Liquid Handling
Bottle-top Dispensers for Safe and Reproducible Liquid Distribution
The CalibrexTM bottle-top dispensers from Socorex are robust instruments with excellent chemical resistance. Intended for the safe and reproducible liquid distribution, the line includes 7 different sizes: 0.1-1 / 0.25-2.5 / 0.5-5 / 1-10 / 2.5-25 / 5-50 / 10-100 mL. CalibrexTM organo 525 includes a ground glass or ceramic plunger, both suited for organics and non-crystallising solutions. CalibrexTM solutae 530 has a glass or ceramic PFA coated plunger for trouble free distribution of salt solutions, weak and strong acids and bases.
Volume setting with a spring-loaded sliding cursor softly moves up and down along dual scale. Optional flow control stopcock for priming dispenser, reagent is recycled without loss or contamination. Valves, plunger, barrel and delivery jet are removable in seconds for cleaning. Printed QR code for instant access to chemical resistance chart. Fully autoclavable at 121°C.
Access to calibration mechanism protected by safety seal sticker. Integrated key is located under plunger cap. Each dispenser with own serial number. Stringent quality control attested by an individual certificate. Two-year warranty.
Accessories such as extended delivery jet, dispenser holder, set for remote aspiration or telescopic feed tubing, extends dispensing possibilities. More information online:
ilmt.co/PL/jLxg
55779pr@reply-direct.com
Fast and Accurate HPLC Pump Flow Rate Calibration
Testa Analytical Solutions e.K reports that its popular Liquid Chromatography Flowmeter is being used to determine accurate flow rate calibration data from HPLC pumps in just a few minutes.
To maintain consistent accuracy of results, each and every HPLC pump needs calibration of the flow rate it delivers on a regular base. The traditional method of calibrating HPLC pump flow rate relies upon a gravimetric method in which the total weight of solvent delivered in a given time is determined and transformed into flow rate by taking into account the density of the solvent.
This gravimetric method, although accurate, has some operational challenges. Though the weight of delivered solvent can be determined accurately using modern scales, this weight data must be precisely synchronised with a time measurement which can be challenging. Transforming this data into flow rate (volume/time) requires accurate values of solvent density at the precise temperature the HPLC pump is operating at. However, even when reliable solutions are found for all the above, this method is still relatively time consuming to determine flow rate repeatably and accurately. As such, the gravimetric calibration of an HPLC pump flow rate can typically take an excess of 30 minutes.
The Liquid Chromatography Flowmeter from Testa Analytical uses a thermal flow sensor that is not only extremely accurate, sensitive and high- resolution, but it also offers the advantage of being non-invasive. As this device does not interfere with the measurement itself, and can operate
over a wide dynamic range, it has been demonstrated to be the perfect flow monitoring tool for almost any liquid chromatography system.
Used to calibrate the flow rate of HPLC pumps, the compact and easy-to-use Liquid Chromatography Flowmeter has been shown to reliably provide flow rate data of the required high accuracy in just a few minutes. In addition to increasing productivity the Liquid Chromatography flowmeter is able to free staff to undertake more productive tasks. More information online:
ilmt.co/PL/nQq9
56021pr@reply-direct.com
Fast and Flexible Automated Vial Filling
Having the freedom to do multiple laboratory processes at the same time is on most wish lists, but that requires having a second ‘you’ there. With time, staff and space as a constant limitation and with pressure added to get things done, that extra set of hands would be priceless. Accurate sample aliquoting or vial box filling takes up time and mistakes are easily made, especially due to the monotony of the task.
Premier Control Technologies’ BioD-I automates this process quickly, accurately and without the need for any constant human interaction; it will fill each vial while you get on with another task. It incorporates a multi-nozzle filling peristaltic pump system and an XYZ indexing platform that will fill multiples of vials at the same time until the entire tray is complete. Replace the tray with an empty one and press ‘start’ for the process to repeat. The lines are self-priming and cleaning is a case of either simply flushing or replacing the single-use tubing. Easy calibration of the pumps means that the accuracy of each fill is precise and repeatable from microlitres to litres.
A cost effective solution that can be tailored to your specification. Speeding the process up is done by just simply adding more pumps which are in stackable rows. This is a compact desk-top design that will not take up valuable laboratory space and as its modular you can position the individual system components to what suits you.
Please contact Premier Control Technologies to develop a fluid transfer system or component that meets all your technical requirements, on budget and on time.
More information online:
ilmt.co/PL/vYMA 56456pr@reply-direct.com
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