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Metals and Minerals Processing News
News Release from: Thermo Fisher Scientific | Subject: ARL 4460
Edited by the Processingtalk Editorial
Team on 09 December 2004
Improved elemental analysis of steel
With the ARL 4460 high performance optical emission spectrometer from Thermo Electron Corporation, steel producers can now perform improved analysis of various elements at very low levels
Metals analyser from Thermo Electron achieves improved elemental analysis of steel With the ARL 4460 high performance optical emission spectrometer from Thermo Electron Corporation, steel producers can now perform - in addition to increasingly accurate and precise measurements that guarantee the quality of their alloys - improved analysis of the elements Carbon (C), Nitrogen (N), Oxygen (O), Phosphorus (P) and Sulphur (S) at very low levels
This article was originally published on Processingtalk on 11 Aug 2008 at 8.00am (UK)
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The increased sensitivity of the ARL 4460 metals analyser allows the cost-effective manufacture of cleaner steels.
The ARL 4460 can detect extremely low levels of gaseous elements in steel very rapidly.
Results are typically available within 55 seconds after just two runs.
Costly and much slower combustion analysers traditionally used to detect C, N, O, P and S elements are now more and more redundant.
This allows manufacturers to significantly reduce their production and operating costs.
Detection limits obtained with the Thermo ARL 4460 metals analyser - 0.4 ppm on C, 1.5 ppm on N, 8 ppm on O, 0.3 ppm on P and 0.7 ppm on S down from 1.5 ppm on C, 2.7 ppm on N, 15 ppm on O - considerably improve quantitative analysis.
Accuracy, stability and precision are further parameters that benefit from the new levels of ARL 4460 performance - for example, precision is 0.4 ppm at 10 ppm C and 0.8 ppm at 20 ppm N.
The analytical results achieved with the ARL 4460 are all the more significant given the pressures on the steel industry to improve quality control systems and processes.
Thermo metal analysers have already been deployed in hundreds of plants around the world and routinely measure important trace elements.
They are constantly being upgraded based on customer feedback to offer better levels of detection.
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