CORIXNICXTIONS 'ro THE EDITOR
4S12 TABLE I
T'ARIATION OF I S D U C T I O S P E R I O D ( l ) ) O F .Intioxidant Cobaltous naphconcn., millit h e n a t e concn., moles/kg. micromoles/kg.
TETRALIX AT 70" Induction period,
hours
Set 2,6-di-tcrt-but~l-4-methJ-lpheii~~l antioxidant 5.488 25.0 0.60 6.644 25.0 1 . ~ 3 7.888 25.0 4 66 8.450 23 0 7.93 Set B : 2,B-di-trrt-butyl-4 metliylplieiiiil antiosidaiit 7.50 10 0 10i., i.50 20.0 8 .In 7.50 '5 0 2 29 7,50 35 0 0.18 7.50 30 0