[A Study of the enzymes of the alkaline phosphatase in commercial sera (author's transl)].

: We have examined alkaline phosphatase in five commercial sera employing three analyzers. Alkaline phosphatase in three samples is underestimated or overestimated according to the analyzers used. Therefore we have studied the isoenzymatic fractions employing the fractionation of alkaline phosphatase on celluloseacetate. Alkaline phosphatase isoenzymes have physical and biochemical marks different from human sera. In human sera on the contrary have not noticed any difference according to the analyser used.