Analytical Instrumentation 19
The Analysis of Naphtha by ICP-OES
Naphtha is commonly used as a fuel in gas turbines. The presence of certain elements, such as Ca, Pb, V and the alkali metals can cause the formation of hard deposits which shorten the lifetime of the turbine. The Prodigy ICP is able to provide direct analysis of highly volatile organic solvents, such as naphtha. Because of the robust plasma generated by the free-running 40.68 MHz generator, no dilution of the solvent is necessary. As a result, excellent detection limits are achieved, minimal sample preparation is required and sample throughput is maximized.
To receive a copy of the application note on the analysis of Naphtha with the Prodigy ICP, visit our website at
http://www.leemanlabs.com/ resources/applications.
Reader Reply Card No 73 Wear Metals Analysis by ICP-OES
Laboratories for which the primary application is the analysis of wear metals often have extreme sample throughput demands; in excess of 1,000 samples per day. High throughput wear metal labs demand a simultaneous oil analyzer, such as the Prodigy HT for this task. A system like the Prodigy HT is capable of analyzing up to 2 samples per minute.
For information on our Oil Analysis instrumentation, visit
http://www.leemanlabs.com/products/ icp/oil_ analyzers.
Reader Reply Card No 74
The Prodigy-H for the Measurement of Cl, Br, and I
The Prodigy-H is designed to permit the measurement of the halogen elements at the same time as the more routine metal measure- ments. Prodigy-H incorporates all the advanced features of our most pow- erful ICP-OES, the
Prodigy, and an additional Deep UV detection system for unprecedented wavelength coverage (134– 1100 nm).
To receive information on the Prodigy-H, visit
http://www.leemanlabs.com/resources/ applications.
Reader Reply Card No 75
Direct Analysis of Mercury in Solids and Hydrocarbons - The Hydra-C
When the concentration of mercury needs to be accurately measured, laboratories all over the world turn to Teledyne Leeman Labs for high performance answers to their analytical challenges. Now in its third generation, the Hydra Series of products cover a range of techniques including cold vapor atomic absorption, cold vapor atomic fluorescence and automated sample preparation. The NEW Hydra-C employs thermal decom- position for the direct determination of mercury in difficult matrices. Hydra-C is designed to address the needs of analysts who want to use EPA’s method 7473 or who simply want to determine mercury without prior sample digestion.
• Biodiesel/Biofuel • Lube Oil Additives • Wear Metals • Sulfur in Crude • Cl, Br in Petrochemicals
Determination of Oil Additives using the Prodigy ICP
Nearly all commercially available motor oils contain additives. Additives are used to modify properties of oil to improve its performance. A wide range of additives are used in motor oils.
Anti-oxidant’s are added to help prevent the oil from burning when it gets hot. Other motor oils contain additional additives to modify the viscosity of the oil to prevent the build-up of acids. Viscosity modifiers help engine oil maintain a consistent viscosity as the temperature and pressure within the engine changes. Acid inhibitors help combat the formation of rust and presence of water in crankcases. Among the most widely-used additive types are those used for “anti-wear”. These additives typically contain high concentrations of phosphorus, sulfur and zinc, and are used to reduce premature wear of vehicle engines.
Accurate and reliable elemental analysis of Oil Additives requires analytical methodology that is both sensitive and selective.
The Prodigy High Dispersion Inductively Coupled Plasma (ICP) is ideally suited for the analysis of oil additives. The Prodigy can determine up to 70 elements in a sample simultaneously in under 30 seconds.
To receive a copy of Application Note 1060, the determination of oil additives with the Prodigy ICP, visit our website at:
http://www.leemanlabs.com/ resources/applications/
index.asp
Reader Reply Card No 72
visit our web site at
www.leemanlabs.com
6 Wentworth Drive, Hudson, NH 03051 603-886-8400
For more information visit
http://www.leemanlabs.com/ products/mercury.
Reader Reply Card No 76 Reader Reply Card No 77 February / March 2011 •
www.petro-online.com
Visit us at Pittcon 2011, Booth 735
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