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Analysis of Milk Powders Based on Chinese Standard Method Using the Agilent 5100 SVDV ICP-OESTrace toxic and major nutrient elements were measured in a single measurement in a milk powder SRM, with no ionization buffers, using a synchronous dual view ICP-OES. The methodology was in accordance with Chinese method GB 5413.21 for raw milk and dairy products. Excellent recoveries were achieved for all elements determined in the SRM, demonstrating the accuracy of the method over a large dynamic range.
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Ultra-Fast Determination of Trace Elements in Water, Conforming to US EPA 200.7 Using the Agilent 5100 SVDV ICP-OESThe productivity demands of environmental labs working to EPA methodology such as 200.7 for the determination of metals and trace elements in water, solids and biosolids are met using synchronous dual view ICP-OES. The instrumentation achieves an excellent sample-to-sample cycle time of 58 seconds. This enables more samples to be measured each day and reduces argon consumption per sample by 50% per sample.
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Radio Frequency Glow Discharge Optical Emission Spectroscopy: Depth Profiling Analysis of Thin Anodic Alumina Films as Potential Reference Materials (PDF)The need for reference materials that can be applied in the area of thin films analysis has long been realized but is still, in general, under-addressed. Alumina films of single-micrometer thickness, having either fine distributions of impurities or delta function impurity marker layers, can be prepared routinely by anodic oxidation of electropolished aluminum specimens in appropriate electrolytes. Selected films were examined by transmission electron microscopy (TEM) and analyzed by radio frequency glow discharge optical emission spectroscopy (rf-GD-OES), providing very rapid, yet high-resolution, depth-resolved analysis of these electrically insulating materials.
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Simultaneous Detection of Surface and Bulk Composition of a Magnesium AlloyIn this note, we examine a magnesium alloy plate to determine the type of anti?corrosion coating present. In the same experiment, the chemistry of the bulk magnesium alloy can also be observed. All data was collected using the ChemReveal® Desktop LIBS Analyzer.
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Detection of Trace Elements in High-Purity Sulfuric Acid Using Ultrasonic Nebulization with ICP-AES DetectionThis article discusses how coupling an inductively coupled plasma atomic emission spectrometer with an efficient ultrasonic nebulizer improves trace element detection in a 7.5% (v/v) high-purity sulfuric acid matrix.
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Savillex PFA Cyclonic Spray Chamber for ICP-OES and ICP-MSThe new Savillex PFA Cyclonic Spray Chamber is the first inert chamber with the traditional shape of a glass cyclonic, and is also the first translucent inert chamber.
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TLC-MALDI in Pharmaceutical Analysis (PDF)Thin-layer chromatography (TLC) is a widely used technique for the rapid examination of compound purity. The amount of qualitative information, however, is limited to the retention factor of compounds. The technique described here enables the direct determination of TLC plates by MALDI MS.
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Criteria for High-Quality Raman MicroscopyFive key qualitative factors–speed, sensitivity, resolution, modularity and upgradeability, and combinability–contribute to the quality of confocal Raman imaging microscopes. Using application examples, this article introduces modern Raman imaging and correlative imaging techniques, and presents state-of-the-art practice examples from polymer research, pharmaceutics, low-dimensional materials research, and life sciences.
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Solving Our Plastic Problem: Advances in Microplastics AnalysisModern society relies on plastic—However, it remains a mostly nonbiodegradable material and can take up to an estimated 400 years to break down depending on the type of plastic. This e-book examines the steps Agilent is taking to help address our plastic problem.
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Raman Spectroscopy Applied to the Lithium-Ion Battery AnalysisThe application note explains how the Raman Spectroscopy can be helpful in the analysis of cathodes and anodes in Li-ion batteries.
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Comparing Single Quadrupole with Triple Quadrupole GC–MS-Based MetabolomicsBruker Daltonics, Inc.
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Raman Spectroscopy is Solving the Perpetual Problem of CSI: The Time of a CrimeIn celebration of Spectroscopy’s 35th Anniversary, leading experts discuss important issues and challenges in analytical spectroscopy.
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Applying LC with Low-Resolution MS/ MS and Subsequent Library Search for Reliable Compound Identification in Systematic Toxicological AnalysisSystematic toxicological analysis is an important step in medicolegal investigations of death, poisoning, and drug use. The primary goal is the detection and confirmation of potentially toxic compounds in evidence. This article describes a workflow using nontargeted liquid chromatography–tandem mass spectrometry (LC–MS/MS) for reliable compound identification.
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Application of Unique Software Tools Dedicated to Multiline Analysis by CCD-Based ICP-AES for Geological SamplesMultiline analysis, which consists of using several lines per element to detect positive or negative bias caused by spectral interferences, is an ideal way to use all the information emitted by the plasma and collected by a charge-coupled device detector. However, method development and validation become more complex. Dedicated software has been developed to overcome it, and analysis of geological samples will illustrate their benefit in achieving high reliability of results.
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The Use of Raman Spectroscopy in Cancer DiagnosticsBoth Raman spectroscopy and surface-enhanced Raman spectroscopy (SERS) are proving to be invaluable tools in the field of biomedical research and clinical diagnostics.
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EAS Conference Preview of Spectroscopy Sessions and New FeaturesThe Eastern Analytical Symposium (EAS) will be held this year from November 18 to 20, 2013, in Somerset, New Jersey. EAS is the second largest conference and exposition for laboratory science in the United States dedicated to the needs of analytical chemists and those in the allied sciences.
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SEC-MALS of SiliconesPolydimethylsiloxane is the world's most common silicone. Its applications range from contact lenses and medical devices to elastomers, caulking, lubricating oils, and heat resistant tiles.
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X-ray Diffraction and Fluorescence Spectroscopy Analysis of Sm3+ in Lithium Calcium SilicateLuminescence materials are important for modern technology because of their ability to convert electromagnetic radiation (that is, ultraviolet [UV] and infrared [IR] light) into visible light (1).
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In-Field Measurements of Major Elements and Base Metals with Handheld LIBSThe Z-500 also analyzes base metals and trade elements, including Mg, Ti, V, Cr, Fe, Mn, Cu, Ni, and others. Trace metals of commercial interest or as pathfinders including Li, Be, B, C, and halogens including F, Cl, and Br are also analyzed. Figure 2 shows results for Li analysis, as an example. The results for lithium analysis were reasonably good. While there is some scatter in the data, the HH LIBS is measuring very low concentrations, in the 10–30 ppm concentration range. In general, the results for B, Be, Mg, Ba, and other elements were comparable, in terms of correlation, with the Li data.
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Determination of Contaminants in Beer Using LC–MS/MS and ICP-MSThe authors compare LC–MS/MS methods for quantification of the pesticide glyphosate with and without sample derivatization, and discuss ICP-MS methods for the determination of heavy metals.
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Applying LC with Low-Resolution MS/ MS and Subsequent Library Search for Reliable Compound Identification in Systematic Toxicological AnalysisSystematic toxicological analysis is an important step in medicolegal investigations of death, poisoning, and drug use. The primary goal is the detection and confirmation of potentially toxic compounds in evidence. This article describes a workflow using nontargeted liquid chromatography–tandem mass spectrometry (LC–MS/MS) for reliable compound identification.
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Raman Spectroscopy Coupled with Advanced Chemometrics for Forensic Analysis of Semen and Blood MixturesIn this study, regression and classification chemometrical algorithms were combined to achieve effective discrimination of pure body fluids from their binary mixtures.
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Verification of Pharmaceutical Raw Materials Using FT-NIR SpectroscopyFT-NIR spectroscopy can be used to overcome a range of challenges in raw material identification while also meeting the stringent requirements of regulated environments.
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A Rapid FT-IR-Based Method for Monitoring Detergent Removal from Biological SamplesIn life science research, detergents are primarily used in sample preparation to liberate cellular components through membrane disruption and to solubilize lipid-associated proteins.
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Raman Spectroscopy Applied to the Lithium-Ion Battery AnalysisThe application note explains how the Raman Spectroscopy can be helpful in the analysis of cathodes and anodes in Li-ion batteries.
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Handheld Laser-Induced Breakdown Spectrometer for In-field Elemental AnalysisSciAps has developed a handheld analyzer based on laser induced breakdown spectroscopy (LIBS).
