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Varian Announces Next Generation Dissolution Apparatus 08 Mar 2010: Varian, Inc. announces the availability of its next generation dissolution apparatus designed for testing tablets, capsules and other dosage forms. The 708-DS supports a broad set of applications ranging from manual dissolution testing to automated, high-throughput analysis. Varian Inc
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New Triple-Quadrupole Mass Spectrometer from Varian, Inc. Enhances Sensitivity in LC/MS 13 Nov 2009: Varian, Inc. announced today the release of the 325-MS triple-quadrupole LC/MS (liquid chromatograph/mass spectrometer) for the efficient detection and identification of chemical compounds in high-throughput laboratories performing environmental, food safety, and toxicology analyses. Varian Inc
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Varian, Inc. Delivers a Productivity Increase of up to 100% with its 710-ES Series ICP-OES 13 Oct 2009: Varian, Inc. have announced a series of productivity enhancements for its 710-ES Series of ICP-OES (Inductively Coupled Plasma - Optical Emission Spectrometer) instruments. The enhancements comprise hardware, software and accessory options available both on new instruments as well as on upgrades to existing equipment. Varian Inc
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New Productivity Suite from Varian, Inc. Increases Throughput for NMR Laboratories 05 Oct 2009: Varian, Inc. have announced a suite of new products to enhance the flexibility and automated use of its 400-MR Nuclear Magnetic Resonance (NMR) system. The collection of new tools comprises the OneNMR™ probe, a choice of two autosamplers, and an easy to use, customer-centric software package. Varian Inc
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Analysis of Bumetanide in a Dietary Supplement Using the Varian 500-MS Ion Trap Mass Spectrometer 15 Jul 2009: Bumetanide is a loop diuretic used to treat heart failure. The US Food and Drug Administration (FDA) is examining dietary supplements for bumetanide adulteration. In this application, the Varian 500-MS LC/MS Ion Trap is used inpositive and negative ionization mode to analyze bumetanide in an adulterated dietary supplement. Varian Inc
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Varian, Inc. Introduces First True Benchtop Ion Trap GC/MS 03 Jun 2009: Varian, Inc. today announced the release of the 225-MS, a true benchtop GC/MS. The 225-MS ion trap is the world’s first mass spectrometer to enclose all of its components, including the foreline vacuum pump, in one compact design. Intended for use in high-throughput laboratories for applications ranging from environmental analyses to product safety, the 225-MS addresses the issue of space limitations while offering improved performance at the same time. Varian Inc
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Determination of Volatile Organic Compounds in Water by In-Tube-Extraction Gas Chromatography Ion Trap Mass Spectrometry 30 Oct 2008: This study developed an analytical method using ITEX and the Varian 240-Mass Spectroscopy Ion Trap Mass Spectrometer for VOCs and compared results to a standard purge-and-trap (PAT) reference method, USEPA Method 524.2. The EPA method has specific quality control parameters for reproducibility, accuracy and method detection limit (MDL), providing an excellent standard point of reference for the evaluation of the ITEX technique. Varian Inc
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Analysis of Quetiapine and Vardenafil in Bovine Plasma by Omix® Pipette Tips for Micro Extraction 30 Jul 2008: Omix Pipette Tips for Micro Extraction are specially designed for small sample and elution volumes. Tips with 10 and 100 μL capacities are manufactured with 0.9 and 2.4 mg beds, respectively, of monolithic sorbent that minimizes dead volumes. Omix Pipette Tips are an ideal choice for extracting analytes from small samples, for example rat or mice plasma. This application describes a method using Omix C18 100 μL tips and LC/MS/MS to extract and analyze Vardenafil and Quetiapine from bovine plasma Varian Inc
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Simple Scale-up on a 940-LC Analytical to Preparative HPLC 30 Jul 2008: Preparative chromatography is the process of collecting the eluent from an HPLC. The quantity of sample collected may vary from micrograms to kilograms; however, the aim at any scale is to attain a more purified material rather than analyzing a sample’s composition. This application note will show how the Varian 940-LC Analytical to Preparative Liquid Chromatograph can quickly and easily scale-up from analytical to preparative scale. Varian Inc
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Rapid Analysis of B1 B2 B3 B6 in Vitamin Tablets with the Varian 920-LC and Pursuit™ XRs C18 Column 30 Jul 2008: Vitamins are organic or organometallic compounds that are required for essential metabolic reactions in living organisms and are essential for normal growth and development. They are relatively unstable during processing and storage, therefore qualitative and quantitative analyses are important. This application note explains an efficient analysis of the water soluble vitamins B1, B2, B3 and B6 with run times for separation of four components in less then four minutes. Varian Inc
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