Blog | Page 4 of 4 | Applied Analytical Systems

HOW TO PREVENT LABORATORY INSTRUMENT BREAKDOWNS?

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Periodic Instrument Maintenance A modern laboratory is equipped with sophisticated instruments such as Spectrophotometers, Chromatographs, Mass spectrometers, ICP-OES, ICP-MS, NMR, etc. Such instruments are capable of providing high degree of sensitivity and selectivity through latest design features, secure software and state of art electronics and optical components. Such instruments have the potential to contribute to …

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KEEPING YOUR LAB ORGANIZED

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Introduction It is a new year and we all know that productivity stems from organization. This is the reason our focus for this week is on lab organization. There is almost nothing more frustrating than trying to complete a task at hand and not being able to find integral components. This applies to most situations …

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LABORATORY ACCREDITATION AND CERTIFICATION PART 1

Blog / 5 minutes of reading

According to NIST, The terms “accreditation” and “certification” are sometimes used interchangeably, however, they are not synonymous. Certification is used for verifying that personnel have adequate credentials to practice certain disciplines, as well as for verifying that products meet certain requirements. Accreditation is used to verify that laboratories have an appropriate quality management system and …

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5 Ways to Extend a Gas Chromatography Column’s Life

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The gas chromatography (GC) column is perhaps the most important component in the instrument. Various approaches can be used to extend a column’s life to ensure that it always operates at optimum efficiency thus allowing the column to perform the function of separating components efficiently and precisely. Correct Installation Extending a column’s life starts with …

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How to Properly Shut Down an Agilent GC-MS

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A GC-MS is usually designed to be left on and ready for use at any time. However,there are occasions where the GC-MS may have to be shut down for one reason orthe other. In parts of Africa where power outages are common, the GCMS istypically shut down after the day’s work and sometimes left shut …

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Atomizers in an Atomic Absorption Spectrophotometer (AAS)

Blog / 6 minutes of reading

The atomizers most commonly used nowadays are (spectroscopic) flames and electrothermal (graphite tube) atomizers. Other atomizers, such as glow-discharge atomization, hydride atomization, or cold-vapor atomization, might be used for special purposes. Flame atomizersThe oldest and most commonly used atomizers in AAS are flames, principally the air-acetylene flame with a temperature of about 2300 °C and the …

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Gas Chromatography

Blog / 5 minutes of reading

Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture. In preparative chromatography, GC can be used to prepare pure compounds …

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8 Common Gas Chromatography Mistakes

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If you’re new to Gas Chromatography and looking for some helpful tips, here are 8 common mistakes you’ll want to avoid: Incorrect gas flow rates to a flame ionization detector If the flow rates are not correct the FID can give an incorrect response for a sample. The gas flow rate to the detector should be …

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FACTS YOU SHOULD KNOW ABOUT CARBON MONOXIDE

Blog / 7 minutes of reading

Basic Carbon Monoxide Facts Carbon monoxide (CO) is an odorless, colorless, tasteless gas that is slightly lighter than air. It is sometimes called carbonic oxide, exhaust gas or flue gas. It becomes a liquid under high pressure. It can also kill within minutes in high concentrations. Where Does Carbon Monoxide Come From? Carbon monoxide is produced …

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5 Gas Management Tips for Chromatography Systems (GC)

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Gas management is important for gas chromatography systems (GC) for both analytical and practical considerations. Looking after the gas supply helps to ensure accurate results, and to reduce costs and downtime. Gas Cylinders Never allow gas cylinders to run dry. As the gas pressure in the cylinder drops, the chance that contaminants (like water or …

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