A new perspective in the functional operation of corrigible errors is presented. If the incorrigible errors, calibration, and direct interference are absent, the new proposed calculation procedure will provide a correct analytical result; results obtained by the method of standard additions will agree with results from the conventional standard curve technique on the same sample; and different methods will produce the same analytical result on the same sample within the variance of the random error of the method(s). The technique is also a diagnostic tool for the detection and determination of the corrigible constant and proportional errors.
A total method verification program is presented, composed of the initial developing laboratory’s method validation process and the end user’s method evaluation studies. Both processes escalate in a cyclic fashion and the communicative pathway is the method transfer process. The participating laboratories acquire data by the intralaboratory procedures described and the cross-over studies entail the interlaboratory (collaborative) procedures described. During the entire process, the diagnostic techniques described result in the detection and determination of error in the methodology.
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