• methods
  • Analytical data, calibration procedures and quality assurance all require the use of appropriate mathematical and statistical methods. (aber.ac.uk)
  • Our group has expertise in chromatographic and capillary electromigration (CE) techniques, field flow fractionation (AF4), and in biosensing methods such as quartz crystal microbalance (QCM) and nanoplasmonic sensing (NPS). (helsinki.fi)
  • The successful application of the modern instrumental techniques and methods to qualitative and quantitative analysis of environmental samples (water, plants, soil, sediment, air and aerosol particles) requires often the exploitation of totally new materials. (helsinki.fi)
  • This course reviews the regulatory requirements and methods for determining calibration specifications and relates these methods to validation of critical utilities, manufacturing processes and laboratory testing instruments. (ncbionetwork.org)
  • This review article recapitulates the analytical methods for the quantitative determinations of diltiazem and three H 2 receptor antagonists (cimetidine, ranitidine, and famotidine) by one of the spectroscopic technique (UV spectrophotometery) and separation technique such as high-performance liquid chromatography (HPLC). (hindawi.com)
  • The present review article deals with the analytical methods that are useful for pure form, pharmaceutical formulations, and biological specimens of diltiazem and H 2 receptor antagonists (cimetidine, ranitidine, and famotidine) were focused and summarized. (hindawi.com)
  • The validity of the proposed methods was assessed by applying the standard addition technique where the percentage recovery of the added standard was found to be 99.98±0.297 and 99.84±0.700 for DOM and CINN, respectively, using the derivative spectrophotometric method and 100.29±0.398 and 100.11±0.363 for DOM and CINN, respectively, using the PLS and PCR methods. (ebscohost.com)
  • 11. An apparatus according to claim 9 , wherein that the data processing means include and/or communicate with means including data storage means comprising a calibration model prepared by use of multivariate calibration methods such as Artificial Neural Networks (ANN), or PCR, MLR or PLS regression analysis. (google.com)
  • The slope spectroscopy technique can be applied using the same methods as in absorption spectroscopy. (wikipedia.org)
  • Various methods are employed to purify and identify the radioelement of interest through chemical methods and sample measurement techniques. (wikipedia.org)
  • mass spectrometry
  • In the research, high resolution chromatography and high resolution mass spectrometry are the core techniques, and if only possible, harmful organic solvents are replaced with environmentally friendly supercritical fluids (CO 2 and water) or pressurized hot water in sample pre-treatment, analytical separations and synthesis of new materials. (helsinki.fi)
  • To answer the growing demand for higher spatial resolution and sensitivity, there is a need to create a new generation of microanalytical reference materials suitable for a variety of techniques, such as scanning electron microscopy/X-ray spectrometry (SEM/EDS), electron probe microanalysis (EPMA), laser ablation inductively coupled mass spectrometry (LA-ICP-MS), and secondary ion mass spectrometry (SIMS). (usgs.gov)
  • viscosity
  • The company manufactures microwave digestion systems, sample preparation instruments, specialized glassware for the atomic spectroscopy market, ICP, XRF and atomic absorption supplies, certified reference materials such as calibration, quality-control standards, viscosity and metallo-organic standards. (scpscience.com)
  • calculate
  • Helium Pycnometry is used to calculate a materials bulk (or skeletal) density by measuring the volume of He displaced by a material inside a chamber, against that of a highly accurate calibration standard (and by knowing the mass). (warwick.ac.uk)
  • Determination
  • Since the publication of a simple, accurate and direct dissolved oxygen analytical procedure by Winkler, the analysis of dissolved oxygen levels for water has been key to the determination of surface water purity and ecological wellness. (wikipedia.org)
  • Application
  • Some large chemometric application areas have gone on to represent new domains, such as molecular modeling and QSAR, cheminformatics, the '-omics' fields of genomics, proteomics, metabonomics and metabolomics, process modeling and process analytical technology. (wikipedia.org)
  • analysis
  • The clinical and pharmaceutical analysis of these drugs requires effective analytical procedures for quality control, pharmaceutical dosage formulations, and biological fluids. (hindawi.com)
  • Developed by Spider Financial, NumXL provides a wide variety of statistical and time series analysis techniques, including linear and nonlinear time series modeling, statistical tests and others. (wikipedia.org)
  • Although NumXL is intended as an analytical add-in for Excel, it extends Excel's user-interface (UI) and offers many wizards, menus and toolbars to automate the mundane phases of time series analysis. (wikipedia.org)
  • Other techniques supported include principal component analysis (PCA), 3-way PLS, multivariate curve resolution, design of experiments, supervised classification, unsupervised classification and cluster analysis. (wikipedia.org)
  • The technique has received much recognition in the optics industry as a new method to perform optical analysis with advantages for harsh environment sensing. (wikipedia.org)
  • Because of the speed of a LAESI analysis, the technique is amenable to rapid, sensitive, and direct analysis of aqueous samples in 96- and 384-well microplates. (wikipedia.org)
  • Raman
  • The technique has been applied to Raman spectroscopy, fluorescence spectroscopy, absorbance spectroscopy in the UV-Vis, NIR and MIR, microscopy, reflectance spectroscopy and hyperspectral imaging. (wikipedia.org)
  • approaches
  • Consequently, LC-MS/MS has become the analytical tool of choice for bioanalysis owing to its impressive sensitivity and selectivity over other, more conventional chromatographic approaches. (wikipedia.org)
  • Chemical
  • The discovery of a chemical present in blood that increases the risk of cancer would be a discovery that an analytical chemist might be involved in. (wikipedia.org)
  • plot
  • A calibration curve plot showing limit of detection (LOD), limit of quantification (LOQ), dynamic range, and limit of linearity (LOL). (omicsgroup.org)
  • This plot acts as a calibration curve, which is used to approximate the desired compound's molecular weight. (wikipedia.org)
  • elemental
  • The goal of the analytical work presented here is to demonstrate that the elemental homogeneity of the new glass is acceptable for its use as a reference material. (usgs.gov)
  • bulk
  • Near-infrared spectroscopy is, therefore, not a particularly sensitive technique, but it can be very useful in probing bulk material with little or no sample preparation. (wikipedia.org)
  • standard
  • In this video, our lab technician demonstrates the procedure for performing a 3 point calibration using standard buffer solutions of 4.00, 7.00 and 10.00. (ncbionetwork.org)
  • process
  • The next year, the Philippine Research Reactor at the PNRI was chosen by the IAEA to be the training platform to demonstrate the decommissioning process technique under the Research Reactor Decommissioning Demonstration Project (R2D2P). (wikipedia.org)
  • detection
  • The source, sample arrangement and detection technique vary significantly depending on the frequency range and the purpose of the experiment. (wikipedia.org)
  • Passive sampling techniques have been able to provide a time-integrated sample of water contamination with low detection limits and in situ extraction of analytes. (wikipedia.org)
  • The technique is making headway in a niche market for harsh environment detection. (wikipedia.org)
  • Specifically the technique has been adopted for use in the oil industry for detection of hydrocarbon composition in oil wells and pipeline monitoring. (wikipedia.org)
  • chromatography
  • Typically, when an aqueous solution is used to transport the sample through the column, the technique is known as gel-filtration chromatography, versus the name gel permeation chromatography, which is used when an organic solvent is used as a mobile phase. (wikipedia.org)