COMPARISON OF SH REAGENTS 



799 



O r- O 



O »C (M 



O 



(M O 



d o 

 V 



CO C<I -^ (M O 



CO ^ o o o 



O O O t^ t^ 



A A 



<M GO O lO — I C- tJH 



O I>?OfOO<MQOO-^ 



OOOO 



O -H 



d d 



CO M 



r-H rt r-H O O CD 



d d d d d d 



M g N <: 



mis 



CO 



+ w 



S^s 





M if -< 



W <1 M 





-^ ?S, 12; M ?!, fM 



5:1 





