Matrix-Optimized Sulfur Determination by UV Fluorescence – multi EA® 5000

3 Mar 2015
Kathryn Rix
Administrator / Office Personnel

Product news

The correct, fast sulfur determination is an integral part of quality control in petro industry. The most flexible method therefore is the oxidative combustion combined with UV fluorescence detection. As different the determined sulfur contents of the diverse samples are, as different is their digestion behavior. More complex matrices (VGO) exhibit mode-dependent differences.

Therefore the selection of the suitable digestion mode is important to ensure an ideal conversion of all sample components. While conventional TS analyzers are limited to vertical or horizontal mode, the multi EA® 5000 can be operated both vertically and horizontally for process optimization. Its innovative double furnace technology creates ideal digestion conditions for any organic sample matrix. Just a single device is enough to examine a uniquely broad spectrum of different sample matrices.

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Atomic Absorption / Emission SpectroscopyAtomic absorption spectroscopy (AAS) and atomic emission spectroscopy (AES) — also called optical emission spectroscopy (OES) — are used to detect the elemental constituents in samples. Both techniques involve the atomization of a sample. Atomic absorption spectrometers may use a flame or furnace to create an atomic vapor of the sample before irradiation with spectral light. Optical emission spectrometers may use a flame, inductively coupled plasma (ICP), microwave plasma (MP) or spark arcs to atomize and excite the sample. At higher excitation energies, electrons can be emitted instead of photons, which can be useful for samples that can’t be atomized and for surface analysis. Explore electron spectroscopy equipment such as Auger spectrometers and photoelectron spectrometers for surface elemental analysis of samples. Find the best atomic absorption, photoelectron and optical emission spectrometers in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Elemental AnalysisElemental analysis involves determining the elemental composition of a sample, often used in environmental, pharmaceutical, and material sciences. Techniques like ICP-MS, X-ray fluorescence, and atomic absorption spectroscopy allow precise quantification of elements such as metals and nonmetals in complex matrices. Browse our peer-reviewed product directory to find the best elemental analysis tools, compare products, check reviews, and get pricing directly from manufacturers.