Portable transmission Raman spectroscopy, combined with chemometric modeling, is quickly emerging as a valued technique for content-uniformity testing, given its high chemical specificity, which is particularly useful when dealing with complex pharmaceutical formulations that contain multiple components.
Portable spatially offset Raman spectroscopy (SORS) enables rapid identification of materials concealed by a wide variety of nonmetallic sealed containers. This technique has been successfully used by the military, first responders, and customs and law enforcement operators in the detection of explosives, chemical agents, precursors and hazardous narcotics, thus enabling the acquisition of better information without disturbing the materials in question.
Portable spatially offset Raman spectroscopy (SORS) enables rapid identification of materials concealed by a wide variety of nonmetallic sealed containers. This technique has been successfully used by the military, first responders, and customs and law enforcement operators in the detection of explosives, chemical agents, precursors and hazardous narcotics, thus enabling the acquisition of better information without disturbing the materials in question.
Portable spatially offset Raman spectroscopy (SORS) enables rapid identification of materials concealed by a wide variety of nonmetallic sealed containers. This technique has been successfully used by the military, first responders, and customs and law enforcement operators in the detection of explosives, chemical agents, precursors and hazardous narcotics, thus enabling the acquisition of better information without disturbing the materials in question.
Portable spatially offset Raman spectroscopy (SORS) enables rapid identification of materials concealed by a wide variety of nonmetallic sealed containers. This technique has been successfully used by the military, first responders, and customs and law enforcement operators in the detection of explosives, chemical agents, precursors and hazardous narcotics, thus enabling the acquisition of better information without disturbing the materials in question.
Learn how careful selection of a HP-SIS can help your laboratory achieve optimum analytical performance and reduce operating costs with your inductively coupled plasma-optical emission spectroscopy (ICP-OES).
This application note provides insights for the transition of optical nanostructures from design to volume NIL manufacturing using wire grid polarizer as an example.
Forensic scientists often encounter highly complex analytical problems related to crime scenes that would benefit from the capabilities of GC×GC–MS. However, this technique has not been fully explored to help benefit forensic laboratories.
This technical paper describes how wavelength calibration impacts virtually every aspect of ICP performance, including sensitivity and susceptibility to interferences.
Nebulizer selection is a critical but often overlooked aspect of inductively coupled plasma–optical emission spectroscopy (ICP-OES) analyses. There are many different nebulizers available for ICP-OES, and choosing the optimal one can be confusing and difficult. To achieve peak performance from your ICP, it is essential to choose the proper nebulizer based on your sample types in addition to any necessary accessories to maintain long-term performance. In this study, we compare the performance of Glass Expansion’s most popular concentric nebulizer designs for ICP-OES applications as well as a parallel-path nebulizer from another vendor, providing a complete selection guide based on performance and design.
Polydimethylsiloxane (PDMS) compounds are ubiquitous; thus it is challenging to develop analytical methods that ensure their absence. A newly developed method combining sizeexclusion chromatography with inductively coupled plasma–optical emission spectroscopy makes it possible to quantify ultratrace levels of PDMS in volatile and nonvolatile organic solvents. A complete range of molecular weights can also be distinguished with this approach.
Polydimethylsiloxane (PDMS) compounds are ubiquitous; thus it is challenging to develop analytical methods that ensure their absence. A newly developed method combining sizeexclusion chromatography with inductively coupled plasma–optical emission spectroscopy makes it possible to quantify ultratrace levels of PDMS in volatile and nonvolatile organic solvents. A complete range of molecular weights can also be distinguished with this approach.
Accurately measuring and quantifying the perception of color is an ongoing challenge for scientists, but understanding spectroscopic techniques can help standardize color measurements.
Polydimethylsiloxane (PDMS) compounds are ubiquitous; thus it is challenging to develop analytical methods that ensure their absence. A newly developed method combining sizeexclusion chromatography with inductively coupled plasma–optical emission spectroscopy makes it possible to quantify ultratrace levels of PDMS in volatile and nonvolatile organic solvents. A complete range of molecular weights can also be distinguished with this approach.
Polydimethylsiloxane (PDMS) compounds are ubiquitous; thus it is challenging to develop analytical methods that ensure their absence. A newly developed method combining sizeexclusion chromatography with inductively coupled plasma–optical emission spectroscopy makes it possible to quantify ultratrace levels of PDMS in volatile and nonvolatile organic solvents. A complete range of molecular weights can also be distinguished with this approach.
Polydimethylsiloxane (PDMS) compounds are ubiquitous; thus it is challenging to develop analytical methods that ensure their absence. A newly developed method combining sizeexclusion chromatography with inductively coupled plasma–optical emission spectroscopy makes it possible to quantify ultratrace levels of PDMS in volatile and nonvolatile organic solvents. A complete range of molecular weights can also be distinguished with this approach.
Both Raman spectroscopy and surface-enhanced Raman spectroscopy (SERS) are proving to be invaluable tools in the field of biomedical research and clinical diagnostics.
The feasibility of quantifying the soluble solids content of intact apples was investigated by visible and near infrared (vis–NIR) transmittance spectroscopy combined with the least squares support vector machines (LS-SVM) method. The spectra were pretreated by Savitzky-Golay smoothing, first and second derivatives, standard normal variate transformation, and multiplicative scatter correction.
Analyzing the effect of UV LED modules on disinfecting ballast water using UV–vis spectroscopy.
As was demonstrated by ESI and MALDI, and, more recently, ambient ionization approaches, successful new ionization methods can have an enormous impact on science. Novel ionization processes, such as inlet and vacuum ionization, are some of the latest of these approaches, and provide excellent alternatives to traditional approaches.
Four of the most prevalent commodity plastics were analyzed on-site using handheld FT-IR spectroscopy to determine changes correlated with accelerated weathering in the marine environment.
Four of the most prevalent commodity plastics were analyzed on-site using handheld FT-IR spectroscopy to determine changes correlated with accelerated weathering in the marine environment.
Four of the most prevalent commodity plastics were analyzed on-site using handheld FT-IR spectroscopy to determine changes correlated with accelerated weathering in the marine environment.
Four of the most prevalent commodity plastics were analyzed on-site using handheld FT-IR spectroscopy to determine changes correlated with accelerated weathering in the marine environment.
Agronomic analyses for materials such as soils, plant tissues, and Cannabis can present considerable challenges, even for today’s spectrometers. Many analyzers currently on the market may fall short of satisfactory performance. Learn how new advances in ICP-OES technology can greatly benefit your analysis of soils, plants and Cannabis samples and how the introduction of ED-XRF analysis can simplify sample preparation and increase productivity for nutrient and heavy metal analysis. Live: Wednesday, Feb. 26, 2020 at 1pm EST | 12pm CST | 10am PST On demand available after airing until Feb. 26, 2021 Register free
Exploration of the chemistry of materials at micrometer and nanometer scales leads to a better macroscopic perspective, as illustrated here with examples from our ongoing research in materials, environmental, and biomedical applications
Exploration of the chemistry of materials at micrometer and nanometer scales leads to a better macroscopic perspective, as illustrated here with examples from our ongoing research in materials, environmental, and biomedical applications