Morrone A, Beretta E
J Chromatogr. 1976 Nov 17;128(1):27-33. doi: 10.1016/s0021-9673(00)84027-3.
A method is described for the determination of diftalone in human plasma, based on gas chromatography of a purified diethyl ether extract. The procedure, which has been designed for use with an automatic sampler, allows the assay of diftalone at plasma levels as low as 0.5 mug/ml.