Archive News Story
(Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Muli-Component Analyzer measures total sulfer in 2 ways.
July 5, 2007 -
Insusceptible to component cross-interference, TSA-100 provides accurate total sulfur measurements when interfering compounds - H2S, SO2, and mercaptans - are present in sample. Analyzer, capable of direct or standard sampling, is comprised of xenon light source, flow cell, holographic grating, and diode array detector. Using full high-resolution spectrum, solid-state unit can switch between wavelength ranges to provide instantaneous and continuous measurements at 0-10 ppm and 0-100%.
Archive Press Release
(Products mentioned in this Archive Press Release may or may not be available from the manufacturer.)
Release date: June 20, 2007
Applied Analytics is Proud to Present the TSA-100
Applied Analytics is proud to present the TSA-100, designed for accuracy, versatility, fast-response, and ruggedness in any range of total sulfur measurement. This innovative multi-component analyzer has critical advantages over older standards such as the lead acetate tape method, a high-maintenance process with slow measurements, cumbersome adjustments, and toxic consumables. Most significantly, the TSA-100 is engineered for insusceptibility to component cross-interference, meaning that the analyzer can provide accurate total sulfur measurements when interfering compounds like H2S, SO2, and mercaptans are all present in the sample.
The system consists of four major subunits: 1) a xenon light source, which sends light through fiber optic cables into the 2) flow cell, in which the unique characteristics of the sample define its interaction with the light; the light then enters a 3) holographic grating, which separates white light into its components such that the 4) diode array detector can measure the intensity of radiation at each wavelength. These measurements report on the absorption of light by the various components in the sample, and thus reveal the concentrations of the components. The analyzer is solid state (no moving parts), and since it connects to the sample through fiber optic cables, it can be installed far from any explosive or poisonous gases (making TSA-100 suitable for even the harshest industrial environments). Using the full high-resolution spectrum from the diode array, our analyzer can easily switch between extreme wavelength ranges to provide instantaneous and continuous measurements at 0-10 ppm and 0-100% all in the same instrument.
The TSA-100 can be used effectively in two different methods of determining total sulfur, demonstrating the flexibility of the analyzer. In the DIRECT METHOD, the analyzer mathematically derives the concentration of each sulfur compound from the full, high-resolution absorbance spectra it obtains from the original process stream. There is no need to mechanically consolidate all sulfur into one specific component, as by combustion in the standard method. The concentrations of sulfur based components like H2S, COS, and mercaptans are computed individually from the spectrum and added together, such that the computer outputs a total sulfur reading. The direct method effectively measures total sulfur in the original process stream as multiple components.
The second is the conventional standard method, which involves placing the hydrocarbon sample in a hot combustion tube in an oxygen-rich environment. The sulfur is oxidized to SO2. The analyzer uses the absorption of the single component (SO2) to determine its concentration, and the total sulfur. The TSA-100 provides the ideal SO2-monitoring solution in case the standard method is your route.
The beauty of the TSA-100, however, is its capacity for multi-component analysis. The direct method is less expensive, requiring neither combustion nor the costs associated with it, and demonstrates the long-term benefits of incorporating AAI's flagship technology into your process. Company Information: Name: Applied Analytics, Inc. Address: 29 Domino Drive City: Concord State: MA ZIP: 01742 Country: USA Phone: 888-461-0080 FAX: 978-287-5222 http://www.a-a-inc.com
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