Recovery Studies off Surfaces

TABLE 5 Standard Addition and Recovery Data of Clarithromycin from Surfaces 

Surface Mg Added Swab Rinse Mass balance 

TABLE 6 Recovery of 10 Mg of Cephalosporins Added to Various Surfaces  

Surface Swab Rinse Swab Rinse Swab Rinse  

FIGURE 3 Chromatogram of a swab solution blank, I.O- jg/mL clarithromycin standard solution, and an authentic sample solution (a) swab blank, (b) 1.0 pg/mL standard, and (c) authentic sample. 

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