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Integrating FT-IR and FT-Raman for the Pharmaceutical Industry
September 1st 2015Infrared and Raman spectroscopy are critical analytical techniques in the pharmaceutical industry, used for the structural elucidation and characterization of organic materials such as new drug candidates, impurities, metabolites, and excipients.
Modeling and Monitoring of Time-Dependent Processes with Spectroscopic Techniques
September 1st 2015Spectroscopic techniques have a long history as quantitative methods for on-line and at-line use in a wide range of industries, where, in many cases, they are more accurate than the reference methods. These processes are typically continuous, but time-depending processes such as batch processes are widely used in many industries.
SERS for Label-Free Biosensing
August 11th 2015Surface enhanced Raman spectroscopy (SERS) has expanded the applications of Raman spectroscopy to include trace analysis of materials such as explosives residues, evidence at crime scenes, chemical warfare agents and pesticides. As a label-free technique, SERS is also well suited to biosensing, from blood glucose to diagnosis of diseases like cancer, Alzheimer’s and Parkinson’s.
Full Spectrum Angle Resolved Reflectance and Transmittance of Optical Coating LAMBDA with ARTA
August 10th 2015All optical coating that receive light from, or direct light into, non-normal angles-it is vital to characterize the wavelength-, angle-, and polarization-resolved reflectance and transmittance. Learn how to measure new materials that have emerged to meet new applications.
Gas Analysis with the Nicolet iS50 FT-IR Spectrometer
August 1st 2015Combining a high precision FT-IR spectrometer with a long pathlength gas cell provides a powerful tool for analyzing trace levels of contaminants in air and other gas mixtures (Figure 1). Two important applications of this are ensuring air quality and the purity of breathing oxygen and compressed air.
NIR/Raman Oil Condition Monitoring
July 21st 2015Early detection of oil conditions can reduce equipment down-time from equipment repairs and allows for optimization of maintenance interval to the lubricant’s ability to protect the equipment. A unique dual NIR and Raman system is utilized for optimized results.
Harvesting Better Reflectance Results: Dynamic Sampling for NIR Food Analysis
July 20th 2015NIR reflectance spectroscopy provides a reliable method for measuring food quality. Monitoring parameters such as moisture, protein and fat content is a critical part of managing quality throughout the supply chain. In this application note, we examine the impact of dynamic sampling on improving the repeatability of NIR reflectance measurements of corn kernels without increasing the total time or frequency of measurements.
Measuring the Color of Glass Plates
July 14th 2015Color measurement is important to many industries and the ability to quantify a given color value is very important. One way of achieving this quantitation is by the use of color space analysis. This note demonstrate the measurement of color using two different UV-Vis spectrophotometers, with glass filters used as samples
Comparison of Molecular Spectroscopic Techniques Applied to Whisky Analysis
July 13th 2015Learn about the potential of molecular spectroscopy techniques launched for screening a number of whisky authenticity problems and recommended suitable miniaturization approaches for the fight against spirit fraud.
Kidney Stone Analysis using ATR
July 7th 2015For the correct treatment of urolithiasis, it is essential to determine the chemical composition of the stones in order to discover the underlying cause of their formation. FTIR is one of the most powerful and cost-efficient methods for analysis of kidney stones.
Gas Sensing using tunable Mid-IR OPOs and Photoacoustic Spectroscopy
June 16th 2015This applications note presents an example of ppb sensitivity using a commercially available PAS system based on MEMs cantilever microphone technology together with a high power, narrow band and widely tunable mid-infrared OPO.
Sorting Out Gluten Intolerance
June 12th 2015Gluten -- a substance found in grains – is an allergen for some people. When processing gluten-free and other grains, cross contamination is a risk. This article describes how NIR spectroscopy combines with machine vision for accurate sorting of glutenous grains.
Counterfeit Olive Oil Detection
May 26th 2015Olive oil production is a multibillion industry, with food-grade varieties subject to regulation regarding their origin and quality. In this application note, the Ocean Optics Spark spectral sensor identifies potentially damaging adulterants and dilutions in olive oil samples.
Analyzing Recycled Polyethylene Resin for Polypropylene Contamination Using FT-IR
May 15th 2015The use of post-consumer recycled, high-density polyethylene (HDPE) has been steadily growing. Infrared technique is commonly used to identity polypropylene (PP) with is a common contaminant in post-consumer HDPE resin.
Raman Spectroscopic Detection of Olive Oil Adulteration
May 13th 2015Olive oil is among the most commonly adulterated food products. Raman spectroscopy has the potential to be utilized in measurements of olive oil to establish purity from adulteration with other, less expensive, oils. This application note reviews some of the most compelling data present in recent scientific literature to support this claim.