Page 1. Bull. SOC. Chim. Belg. vol. 103 / no 2 / 1994 EUROPEAN SECTION 0037-9646 / 94 / $2.00 + 0.00 0 1994 Comite van Beheer van het Bulletin VZW ... {where dc(Co")/dtirr is the initial rate of Co(ll) formation (4.83 x lo-' mol.dm".s-'); Virr is the volume of irradiation ...