
doi: 10.1007/bf00468736
Beryllium has been determined with cupferron by precipitating the metal at pH 5.8. The complex can be weighed directly as Be (C6H5O2N2)2 containing 3.18% of the metal after drying at 110°C. The metal has also been separated with cupferron masking iron (III), aluminium, cerium, thorium, copper, nickel, cobalt, zinc and cadmium with EDTA The beryllium content of beryl has been determined in the same way.
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