60 Software Updated With Supplementary Data Integrity Functions for the Pharmaceutical Industry
Shimadzu has released the latest version of its LabSolutions analytical data system. This product incorporates supplementary functions to comply with data integrity regulations and to support development and quality inspection procedures in pharmaceutical companies.
The LabSolutions software family features an operating environment providing complete data management to ensure secure information in networked laboratories. In the pharmaceutical industry, compliance with regulations and guidelines as well as the proper, efficient management of instruments and analytical data is required. The LabSolutions analysis data system meets these needs.
With traditional peak integration methods some complex chromatograms require time programming or even manual integration, which can result in deviation of quantitative results due to different operators. The new algorithm can perform peak integration of these chromatograms with just a few simple parameter adjustments. It offers highly accurate detection of shoulder peaks, simple adjustment of peak-baseline processing, improved peak- baseline positioning that results in improved reproducibility and accurate peak integration even with variabilities caused by baseline drift.
LabSolutions can also be used with the traditional peak integration methods (Chromatopac mode). Switching between traditional and new peak integration methods during analysis is easy, allowing the user to select an appropriate peak integration method for the circumstances. This includes selecting a traditional method for compatibility with past data.
An improved detector function (i-PDeA II) uses differences in the UV absorption spectral patterns of target analytes to reliably separate multiple components that elute at more or less the same time. Hard-to-separate peaks can be shown in a single trace, simplifying detection and at the same time enabling analysis and quantitative calculations with respect to the resulting data. In addition to pharmaceuticals, this revolutionary solution can be used for the analysis of clinical specimens, chemical products, natural products, functional foods and residual pesticides.
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Heavy Metal on a Tungsten Basis with High Radiation Absorption Capacity Offers an Ecological Alternative to Toxic Lead
EU Directive 2011/65/EU (RoHS 2) regulates the use of certain hazardous substances in electrical and electronic equipment. Lead, which is often used as radiation shielding or for anti-scatter grids, is ranked at the top of the list, even higher than mercury and cadmium. The Bavarian company Wolfram Industrie offers an innovative, more environmentally friendly alternative with Triamet, a heavy metal alloy on a tungsten basis: thanks to its specific high density and the resulting radiation absorption capacity, the dimensionally stable product even shields against gamma radiation.
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Due to the high melting point of Triamet at more than 1,000°C, which is much higher compared to lead, there is no risk of melting in case of a fire. However, only powder-metallurgical processing is possible due to this special characteristic: for the production of Triamet, tungsten powder is mixed with iron and nickel or copper and nickel powders. Subsequent shaping is either realised hydraulically with binding agents and a press, or isostatically under great pressure of 2,000 to 3,000 bar. The former is suitable for smaller dimensions, the latter for large-scale components.
A mixture of tungsten granulate and epoxy resin is used as a backing material in ultrasound heads (transducers) to minimise interfering acoustic reflections. Here the acoustic impedance of the backing material is increased by adding tungsten. Triamet is used in radiation therapy to shield against hard gamma radiation. Radioactive seeds that are delivered to a tumour and subsequently removed again during HDR brachytherapy can be stored in containers made of Triamet. Shielding phials for radiopharmaceuticals to reduce the radiation exposure of employees constitute another possible application. It is also suitable for isotope containers thanks to its dimensional stability that ensures easy cleaning and sterilisation. Tungsten is atoxic and not environmentally hazardous according to its RoHS conformity, so that no coating is required.
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43935pr@reply-direct.com High-Pressure Gas Flow Control
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Vary-P control valves were already introduced by Bronkhorst in 1985 for controlling high-pressure gas flow with high pressure differences of up to 400 bar (later on extended to 700 bar). The control valves, usually integrated in a mass flow controller (F-230 series), are a more compact and much cheaper alternative to flow meters, which are combined with valves that are controlled pneumatically or using a servomotor. For controlling process pressure, Vary-P valves are often also applied in conjunction with Bronkhorst pressure meters. The Vary-P valve comprises a flow control section, along with a mechanism that keeps the differential pressure over this valve at a constant approx. 6 bar. As a result, the pressure at the inlet and outlet of the mass flow or pressure controller may vary without affecting the control performance.
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For gas flow control up to 200 bar, Bronkhorst has recently developed a new, directly driven control valve; i.e. without a Vary-P mechanism. This development makes mass flow controllers fitted with this valve (F-220 series) even more compact, offering even faster control. Industrial versions (IP65 rating) of all mass flow controllers can also be supplied.
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High-pressure mass flow controllers are often used to control gas flow in chemical processes, both in research and in production environments.
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Lab Expertise Library Offers White Papers, Webinars and More
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Mettler Toledo understands that even experts need expert advice. The Lab Expertise Library offers users a wealth of ideas and tips on a wide range of topics, including: USP revisions; calibration; balance cleaning; streamlining processes with ‘Lean Lab’; always-accurate sample preparation
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This library of free resources, including white papers and webinars, can be accessed at
https://ilmt.co/PL/jqZL or on Mettler Toledo’s Lab Competence Portal.
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The density of Triamet is declared at G19 and is about 18.8 ± 0.2 g/cm3. A maximum density of 19.3 can be achieved with pure tungsten – which in fact is about 8 g/cm3 higher than lead. The lower the proportion of the binder phase the higher the density will be.
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