This is followed by a characteristic x-ray emission as the hole' left by the ... 197Pt (0.7 mg) was mixed with aqua-regia and spread manually over a thin strip ...
Precise aK Measurement in 197Pt. A Test of ... 0.7mg 196Pt dissolved in a solution of aqua-regia ... Placed on thin layer of Mylar. Thermal Neutron Activation ...