Multielement capacity

The multielement capacity of both sequential and simultaneous ICP-AES is high as is the linear dynamic range (up to 5 orders of magnitude). It is restricted on the lower side by the limits of determination and at the higher concentrations by the... 

Summarizing, the potential of ICP-MS lies in the fact that analyses can now be performed with the flexible sampling of an ICP, with true multielement capacity and a high power of detection. 

The linear dynamic range in flame LEI is of the order of 3 decades. However, the multielement capacity is limited as monochromatic laser radiation is required. 

Inductively coupled plasma (ICP) methods, i.e., atomic emission spectrometry (ICP-AES) and in particular the technique combined with mass spectrometry (ICP-MS), are powerful owing to their multielement capacity and high sensitivity. 

Apart from this restriction, total reflection x-ray fluorescence provides a high power of detection, high accuracy and high multielement capacity, all with a minimum of sample preparation [688]. It should be considered together with developments such as work with polarized x-rays enabling much lower detection limits to be achieved, also with energy-dispersive systems and local analysis with focussed x-ray radiation, as well as with the use of soft x-rays facilitating speciation in a number of cases [689]. 

Because of its versatility and productivity, ICP-OES is one of the most useful techniques in instrumental element analysis. The multielement determination capacity of this technique enables it to deal with the basic workload in many routine laboratories. Complete information on all aspects relating to ICP-OES can be found in a few monographs.20-22... 

These were frequently used for analytical spectrography. They allow the whole spectrum to be recorded simultaneously and, accordingly, for multielement survey analysis they have a high information capacity. However, their processing is long, the precision obtainable is low and they do not allow on-line data processing. Ac-... 

In spite of the fact that the total number of essential trace elements detectable by ICP-and or DCP-emission spectrometry is relatively small, this analytical technique has a considerable capacity in this field of application, above all due to the possibility of multielement determinations. 

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