This application note demonstrates how to use a gravimetric analysis for measuring desired constituents in mixed chemicals or solution. The conventional method of monitoring H3BO3 concentration and Na2SO4 concentrations will be used here, too!

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100% starting materials identification testing is one of the FDA’s directives as per 211.84 for FDA regulated industries such as Pharmaceutical, Vaccines, Cosmetics, Tobacco, Animal veterinary products, Food, etc. STRam®-1064 is a Raman analyzer uniquely suited to measure samples through thick packaging materials such as plastics, multilayer kraft paper sacks, and HDPE containers, and a long wavelength laser to suppress fluorescence.

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This app note discusses the proper care and maintenance required for fiber optic cable sampling accessories to ensure measurement quality and fiber durability.

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In preparation for a science-driven exploratory expedition was the ‘Exomars’ payload mission launched in 2018, a Raman Spectrometer manufactured by B&W Tek was used in analysis to show feasibility of Raman for this exploratory mission. This instrument had the vital responsibility to analyze powdered samples drilled from a sedimentary rock, breccia - commonly found on Mars.

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Optical spectral measurements have been used for decades for the identification, characterization and quality assessment of oils and lubricants. The most common spectroscopic method, which has been well documented since the 1960s, is infrared spectroscopy, today used in the form of FTIR. In this application note, the i-Spec system is considered as a complementary tool to FTIR for condition monitoring of fluids outside of the traditional laboratory environment.

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Compact spectrometers using array detectors and fiber optic light inputs are being utilized for a wide variety of spectroscopic applications.

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NIR spectroscopy is a green technology that is non-destructive, efficient, rapid and accurate, with no sample preparation needed. When applied to the rapid identification of textiles, it removes the need for strong chemical solvents to dissolve the samples, meaning that there is no destructive sampling, greater safety for the operators, and no hazardous materials output into the environment.

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Dispersive Raman spectroscopy has increasingly been implemented for material identification due to its portability and sampling flexibility. When choosing a Raman instrument, a primary concern is the wavelength of the laser that is integrated into the Raman spectrometer system. Though the Raman shift of any material is only related to the material’s specific chemical structure and is independent of the excitation wavelength, different wavelengths have their strengths and weaknesses.

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A narrow linewidth, wavelength stabilized diode laser has been developed for low-cost Raman spectroscopy applications.

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Raman spectroscopy is a nondestructive and highly versatile technique for analysis of chemicals, both organic and inorganic. It is used in industry, bioscience, medical diagnosis, forensics, and many other areas.

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Recently, near-infrared (NIR) spectroscopy has been explored as a complementary analytical technique alongside automatic analyzers for large-volume quality control analysis of tobacco. In this study, we demonstrate the ability to accurately predict the amount of nicotine, sugar, and chloride in tobacco using the i-Spec® Plus, a portable diffuse reflectance NIR spectrometer with on-board chemometric software from B&W Tek.

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