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Progress with ICP-OES

ICP-OES now suitable for detection low element contents in nonmetals

Kleve, August 19, 1998. The typical spectral lines of nonmetals like Cl, I, B, P, S and others are in the range of 120 to 200 nm. Because of strong absorption by oxygen, they could until now not be sensitively determined with ICP-OES. These elements can now be analyzed with low detection limits using the gas-filled UV-PLUS Optics in the SPECTROFLAME ICP. The advantage: Significant cost savings in the routine laboratory.

In drinking water, Cl, P can be detected far below the limit values which are requested by drinking water regulations. This avoids further analyses by other methods. The total content of chlorine in waste oils besides the metals is measured far below the requested limits. Even an upper limit for the content of PCB-compounds can be given by detecting the total chlorine content. The detection limits are also far below the required legal limits.

In conclusion: Many matrices can now be examined without problems for the nonmetal content by means of ICP-OES. Since this is simultaneously carried out with the metal analysis, the result is a considerable time and cost saving in the routine laboratory.


Please contact Tom Milner for additional information, Tel: +49.2821.892-0,
Fax: +49.2821.892-2200, E-Mail: spectro.info@ametek.com

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