Application Notes

Spectrochemical analysis is a comparative technique; therefore, unknown samples are best analyzed against reference materials of similar composition.

Raman spectroscopy offers a number of benefits for testing and characterization, with the selection of system components and measurement parameters offering great flexibility.

NMR spectra are chemically specific, enabling the measurements to be sensitive to molecular structure and reaction kinetics. Examples such as acetalisation of acetaldehyde are explained.

PFA cyclonic spray chamber was evaluated for use with a Thermo ElementXR HR-ICP-MS. The signal stability of the cyclonic spray chamber was studied, along with its washout.

Understand how specific design features achieve extreme matrix tolerance and chemical inertness combined with high sensitivity and precision.

Reliability of a low flow glass concentric nebulizer combines with chemical resistance and low elemental background of a PFA concentric nebulizer.

FT-IR microscopy constitutes a very fast and efficient alternative to the well-established staining methods. It allows to analyze biological samples with minimal sample preparation and without the need for any agents for contrast enhancement.

Single use of plastic products contributes to a dramatic trash problem worldwide. Since the near-infrared spectrum of every polymer is unique, spectroscopy can be used to identify and sort a large variety of plastics with high specificity. This application note demonstrates the principle of plastic sorting using near-infrared spectroscopy.

Detecting impurities in any chemical reaction is becoming increasingly important to detect those present at low levels (for example, 0.5%).

IR and Raman spectroscopy are powerful analytical techniques to detect, discriminate and identify material on a molecular level. In particular Raman spectroscopy offers some advantages when applied to art and archaeology as well as earth sciences.

Analysis of trace elements in petrochemical samples is routinely carried out for quality control and process monitoring using protocols set by organizations such as ASTM. However, analysis of these samples is often challenging due to the high matrix and potential for interferences. This executive summary will provide essential information on how to develop robust methods over coming these challenges and ensure excellent results when analyzing trace elements in petrochemicals samples by ICP-OES.

Pharmaceutical material analysis is performed to confirm the purity and genuine composition of active pharmaceutical and additive ingredients. This report describes the integration of Attenuated Total Reflection (ATR) Fourier Transform infrared (FT-IR) spectroscopy with video microscopy observation of pharmaceutical materials.

This application note highlights the importance of Coherent anti-Stokes Raman Spectroscopy (CARS), an important research tool for the identification of chemical species and determination of temperature.

The Milestone UltraWAVE is a bench-top instrument that operates at very high pressures and temperatures, capable of processing large, dissimilar and difficult samples quickly, easily-all without batching. The data shown in this technical note demonstrates that the digestion of samples in the UltraWAVE results in uniformly high analytical data quality, making it the ideal solution for trace metals detection in food.

BaySpec’s PeakFinderTM Raman video probe combines a flexible fiber optic probe with microscope objectives allowing sampling down to several microns. Combined with various benchtop Raman spectrometers, the Raman video probe is a unique micro-Raman system available in 532, 785 or 1064nm excitation and various microscope objectives offering unprecedented flexibility and versatility.

Raman spectroscopy is an important instrument in the arsenal of art conservators and archaeologists. This application note summarizes some recent literature on the selection of portable instruments in this field and also documents some successful work done utilizing background correction to elucidate the composition of some challenging green pigments.

In this technical note we discuss the causes and consequences of stray light, and provide suggestions for mitigating its effects in your experimental setup.

The at-line analysis of gold in impregnated stripping solutions during the electrowinning process is demonstrated. EDXRF is used for analysis of the concentrations of gold in strip solution during the processing of ores, tailings and slags.

Fluorescence spectroscopy is used to investigate museum specimen as a flexible and minimally invasive technique. The photo-physical properties of Egyptian and modern artwork pigments are presented in this application note.

The cost of poor quality data in nucleic acid or protein work cannot be underestimated yet for some reason is overlooked. This note investigates a simple solution to the problem.

The characterization of the active pharmaceutical ingredient (API) and its distribution and physical properties in commercial medicine is necessary in drug research and development process in the pharmaceutical industry. Among various analytical techniques employed for this purpose, Raman spectroscopy is gaining more popularity due to its advantages as non-destructive, non-invasive, fast spectrum acquisition in seconds, high reproducibility, and so on.

Miniature X-ray sources reached the development level that is appropriate for their use in the hand held and portable X-Ray diffraction (XRD) instruments. This note describes the application of X-ray sources for the residual stress measurements using XRD.

Protein secondary structure during thermal unfolding and aggregation is readily acquired using IR spectroscopy and a temperature-controlled mid-IR transmission accessory. Myoglobin was used as a model system to illustrate the method.

To learn more about Method development for ICP-OES, Spectroscopy Magazine talked with Matthew Cassap, Product Manager ICP-OES, AA, and Trace Elemental Analysis at Thermo Fisher Scientific.

Introducing a new single quadrupole ICP-MS to the range of trace elemental analysis solutions offered by Thermo Scientific. To learn more, Spectroscopy Magazine talked with Shona McSheehy-Ducos, ICP-MS Product Manager, Thermo Fisher Scientific in Bremen, Germany.

Here we demonstrate how PerkinElmer’s PinAAcle™ 900 atomic absorption spectrometer coupled to a FAST Flame sample automation accessory can analyze common nutritional elements in fortified cereals.

Moxtek’s PBS products enable engineers the flexibility to design optical systems optimized for performance, size, and weight for use in projection display, virtual and augmented reality HMD, and HUD systems.

Overcoming the boundary between user-friendliness and the ultimate capability in Raman Imaging is the key to effortlessly manage the image-acquisition and data evaluation at the highest lateral and spectral resolution. This executive summary will explore how the most intricate Raman Imaging experiments can be easily accomplished leading to a greatly improved data quality, ease of use and productivity.

Optimization and follow up of manufacturing process of plastics films are easily achieved using Pulsed RF Glow Discharge Optical Emission Spectrometry. This technique allows the fast detection of defects and presence of contaminants.