An unusual systematic behaviour of detection limits for elements from 55Cs to 73Ta

Verma, Surendra P.; Santoyo, E.
September 2003
Analytical & Bioanalytical Chemistry;Sep2003, Vol. 377 Issue 1, p82
Academic Journal
A representative database for detection limits for all elements from 55Cs to 73Ta reveals that these limits are governed by a systematic zigzag pattern, according to which the odd atomic number elements have systematically lower detection limits than the even atomic number neighbour elements. This is true even when the actual detection limits vary by several orders of magnitude. We propose that such a systematic pattern be used as a requisite analytical criterion to evaluate the detection limit data, and any departure from this pattern be looked on with caution to check the analytical technique for any interference or matrix effect problems.


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