ResourceSeparations
Transfer of an HPLC USP Method to an ACQUITY UPLC H-Class System
30 Jun 2016HPLC methods typically require higher flow rates, larger column dimensions and larger injection volumes than typical UPLC analyzers. This application note describes a method to use the same method on an UPLC system, enabling the laboratory to utilize new equipment with the goal of modernizing the laboratory.
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AutosamplersAutosamplers are automated sample loaders used with a number of separation and analytical techniques. HPLC autosamplers use automated partial or full-loop injection systems and place samples in vials or microplates for analysis. Autosamplers can also be used for elemental analysis. Features to consider include repeatability, syringe capacity, footprint and temperature controls. UHPLC and HPLCHigh performance liquid chromatography (HPLC) and ultra high performance liquid chromatography (UHPLC), also known as UPLC, are analytical techniques used to separate, identify and quantitate components of complex mixtures including biological samples such as proteins and lipids as well as chemical mixtures of pesticides, drugs and oils. Both techniques are liquid chromatographic methods but differ by operating pressures (HPLC < 6000 psi < UHPLC ). Components of HPLC and UHPLC systems include columns, detectors, pumps, autosamplers and column heaters. Explore a range of UHPLC and HPLC columns for your specific sample needs including reverse phase, normal phase, ion exchange, HILIC, ion exclusion and size exclusion columns. For more specialized HPLC, explore FPLC, countercurrent LC and simulated moving bed systems. Find the best UHPLC and HPLC equipment in our peer reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Sample PreparationSample preparation can improve the quality and speed of separation techniques. Products to assist sample preparation include filtration equipment, evaporators, membranes and sieves.LC-MSLC-MS (liquid chromatography-mass spectrometry) systems and equipment are used for separation and quantitative analysis of complex mixtures, combining liquid chromatography and mass spectrometry. Quantify proteins, contaminants, pesticides or screen for drug metabolites with a high level of sensitivity. LC-MS systems and equipment include reverse phase, normal phase and specialized columns integrated with various MS detectors such as time-of-flight (TOF), quadrupole, orbitrap or ion trap mass analyzers. LC-MS/MS instruments equipped with a qTOF or triple quadrupole analyzer give greater sensitivity and resolving power to your analysis. Find the best LC-MS equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Laboratory ManagementLaboratory management involves overseeing the operations of a lab, ensuring compliance with safety regulations, optimizing workflows, and maintaining equipment. Efficient lab management is key to ensuring accurate results and minimizing downtime. Technologies like laboratory information management systems (LIMS) and automated lab equipment are helping labs streamline operations. Browse our peer-reviewed product directory to find the best laboratory management tools, compare products, read reviews, and get pricing directly from manufacturers.HPLC Method DevelopmentIt is important to develop and validate HPLC methods in order to identify, quantify or purify compounds of interest in the most efficient way. Effective method development ensures optimization, quality control and cost effectiveness.Organic CompoundsOrganic compounds are carbon-based molecules that form the building blocks of life. These include hydrocarbons, lipids, proteins, and nucleic acids. Understanding organic compounds is crucial in chemistry, biochemistry, and pharmacology. Explore organic compound analysis tools in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.Sample ProcessingSample processing is required to prepare samples prior to analysis. Technologies used for sample processing include homogenizers, grinders, mills and mixers.HPLCHigh-performance liquid chromatography (HPLC) is a technique for separating, identifying, and quantifying components in mixtures. It is widely used in chemical, pharmaceutical, and environmental analysis to ensure purity and identify unknown compounds. Explore the best HPLC systems in our peer-reviewed product directory; compare products, read reviews, and get pricing directly from manufacturers.