12 CHN Analyser for Contract Research Organisations and Service Labs


The Model 440 CHN analyser from Exeter Analytical Inc has become the system of choice for many Contract Research Organisations and Service Labs because of its proven ability to accurately analyse the widest range of sample types quickly, easily and reliably.


Operating across a wide linear range, the Model 440 is capable of routinely determining percentage Carbon, Hydrogen and Nitrogen levels in almost any sample type including organic compounds, pharmaceuticals, petrochemicals, polymers, refractory, environmental or natural materials (soil, plants or insects).


The Model 440 delivers unmatched productivity and top quality results as it benefi ts from a furnace design that prevents cross contamination and allows the running of a greater number of samples between combustion tube changes.


Based upon a unique combined static / dynamic combustion technology, the Model 440 is able to precisely analyse the widest range of sample types from volatile to diffi cult to combust materials including nitrides, graphite fi bres, ceramics and even carbides with melting points of over 2000°C. Offering unmatched operating accuracy and precision, the fully automated Model 440 delivers simultaneous CHN analysis in less than 5 minutes.


Low gas and reagent consumption combined with high reduction tube life allows the Model 440 to deliver some of the lowest operating costs of any CHN elemental analyser available. Intuitive Windows based operating software reduces human errors through incorporation of extensive automation, comprehensive customer help and diagnostic facilities. Most parts on the Model 440 are user replaceable further reducing operating costs and downtime.


As a company dedicated to elemental microanalysis, Exeter Analytical’s 30 years of involvement with instruments, consumables and supplies has allowed them to better understand the problems facing microanalysts. As a consequence whether you are a regular or an occasional purchaser, experienced and knowledgeable staff are always available to provide free informed advice.


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World’s fi rst Phosphorus-31 Capable Benchtop NMR Spectroscopy System Announced


New Combined Professional pH Meter and Thermometer Introduced


The new 8100 Plus pH meter kit from Electronic Temperature Instruments Ltd is supplied with everything you need to take pH and temperature measurements either in the laboratory or in the fi eld. The 8100 Plus pH kit is specifi cally designed for maximum portability, and includes a pH electrode and temperature probe.


With the 8100 Plus pH meter you can test the pH directly, but for a higher degrees of accuracy, or for hard or dry materials where the electrode may be damaged, preparation of a diluted sample is recommended.


The 8100 Plus pH meter incorporates a clear custom LCD that shows the pH value from -2 to 16 pH with a 0.01 resolution, and displays the temperature over the range -39.9 to 149.9°C. With a menu-driven custom microprocessor, the user is helped with clear prompts during operation and calibration. The unit comes with everything needed to test the pH or temperature, including a rugged carrying case to make your pH kit fully transportable.


The 8100 Plus pH meter housing has an integrated rubber seal to ensure complete water resistance and helps to reduce the possibility of damage in harsh environments. At the touch of a button, the instrument will automatically re-calibrate (2 point autocal) itself when used in conjunction with pH buffer solutions.


Magritek, a leading provider of compact NMR and MRI instruments, is pleased to announce the Spinsolve Phosphorus, the world’s fi rst Phosphorus-31 capable benchtop NMR spectroscopy system.


Phosphorus is commonly found in many organic compounds, for example in biological membranes or DNA. The 31P nucleus has a 100% natural isotopic abundance and a large chemical shift range, making it one of the most commonly used nuclei in biological NMR. For the fi rst time users can have the power of proton-phosphorus NMR in a benchtop instrument that can be safely used in the laboratory.


The launch of Spinsolve Phosphorus adds a new member to the successful Spinsolve family of benchtop NMR spectrometers. It has been designed to meet the needs of several groups of users: pharmaceutical and medicinal chemists, synthetic chemists monitoring reactions, industrial chemists measuring purity of their compounds, academics focused on organic chemistry education and researchers or post graduate students doing small molecule structure elucidation.


To meet the requirements of these users, Magritek have produced a comprehensive list of features designed to deliver cost effi cient benefi ts to all. Spinsolve Phosphorus offers users 1D 1H, 19F and 31P experiments that use standard 5 mm NMR tubes. 31P can be acquired with or without proton decoupling. Proton 2D COSY and homonuclear j-resolved spectroscopy are offered along with T1 and T2 relaxation experiments.


Due to its large chemical shift range, the absence of impurities in the background spectrum, and the single NMR peak, 31P is used routinely for both purity assessment and reaction monitoring. Databases of 31P chemical shifts are used routinely and isomers are easily identifi ed.


The powerful, yet easy to use software aids to the simplicity of Spinsolve Phosphorus. Uncomplicated one-button operation with a minimum amount of user controlled parameters coupled to an intuitive graphical interface means the system can easily be operated by anyone from students to experienced research chemists. For reaction monitoring applications, the system may be automated and integrates closely with the industry leading MNova data processing software from Mestrelab. The traditional NMR complexities are hidden and automated which make using a Spinsolve a short and pain-free learning experience while delivering research-grade results.


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The 8100 Plus pH meter kit is competitively priced at £120.00 exclusive of VAT and available direct from www.etiltd.com ordering code 225-085.


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Suppressor Module for Anion Chromatography


Suppression plays a key role in ion-exchange chromatography and conductivity detection. It is widely used, e.g., for the analysis of anions and organic acids. Metrohm is pleased to present a new brochure putting the theoretical aspects and practical benefi ts of suppression in ion chromatography in a nutshell.


Suppression as a practical solution for ion chromatography: decreases the background conductivity of the eluent; minimises baseline noise; optimises the signal-to-noise ratio; increases the sensitivity of the measuring system.


To this date, the Metrohm Suppressor Module (MSM) is the most effi cient and robust technical solution to implement suppression in ion chromatography. The patented MSM consists of a small rotor containing three cartridges fi lled with cation exchanger resin. While the fi rst cartridge is used for suppression, a regeneration step is performed on the second cartridge. The third cartridge is rinsed automatically during this time. Hence, with each shifting of the rotor, a freshly regenerated suppressor cartridge is always available for every new sample.


The practical benefi ts of the MSM are striking: due to the excellent signal-to-noise ratio, anions and organic acids can be determined down to the ultratrace range; measurements can be started just half an hour after switching the IC system on; applications can be changed at any time with no impact on system performance; due to the robust design and the working principle of the MSM, the MSM comes with a 10 year warranty. In practice this means that it is bought once with the IC system and will never have to be replaced.


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LABMATE UK & IRELAND - SEPTEMBER 2014


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