We never love you and leave you. reliable. Still i t ' s n i c e t o k n o w t h a t if a n y t h i n g does g o w r o n g , we'll d o r i g h t by y o u . S / P . . . t h e s i n g l e s o u r c e for laboratory e q u i p m e n t , supplies, scientific instru ments. Scientific Products, a division of A m e r i c a n H o s p i t a l S u p p l y C o r p o r a t i o n , 1210 L e o n P l a c e , Evans t o n , I l l i n o i s 60201. Look for t h e n e a r e s t S / P office i n t h e Y e l l o w P a g e s i n m a j o r c i t i e s .
S/P doesn't woo you, win you, then kiss you goodbye when s o m e t h i n g g o e s w r o n g . W e service every o n e of t h e s c i e n t i f i c i n s t r u m e n t s w e sell. If y o u h a v e a n e q u i p m e n t or i n s t r u m e n t break down, a phone consultation with a n S / P S p e c i a l i s t u s u a l l y will s e t t h i n g s r i g h t . B u t if i t d o e s n ' t , S / P h a s local repair service, t o o . T h e q u a l i t y p r o d u c t s w e r e p r e s e n t are
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Circle No. 141 on Readers' Service Card
ANALYTICAL CHEMISTRY, VOL. 42, NO. 7, JUNE 1970
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