Fig. 2

t shaking (min)		D Ir(IV)		D Rh(III)
1			35.30168		1.16393
5			--			1.55893
15			35.72109		1.33011
30			35.36906		1.66142
60			30.71336		1.6365


D average Ir(IV) = 34.27630
D average Rh(III) = 1.47018