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Two pulse polarographical methods for determination of the half-synthetic penicillin derivate piperacillin in serum and in urine are described. 3.7 X 10(-5) mol/l (20 micrograms/ml) can yet been proved in serum with the direct pulse polarographical determination. 1.85 X 10(-6) mol/l (1 microgram/ml) can quantitatively be determined after preceded hydrolysis. Both the methods are diffusion standards being well developed which can be evaluated in an adequate manner. The piperacillin concentrations determined by pulse polarography agree to the levels of the agar diffusion test. The precision is some reduced by the separations incorporated. Inspite of the hydrolysis, the pulse polarographical method of determination will offer more prompt and reliable results.
S Schröder, and
R Voigt, and
G Horn, and
I Sestakova, and
P Skarka
June 2000,
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P Skarka
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Archives belges de medecine sociale, hygiene, medecine du travail et medecine legale. Belgisch archief van sociale geneeskunde, hygiene, arbeidsgeneeskunde en gerechtelijke geneeskunde,
