For exceptional performance without an audience...
Our GC-311 A u t o s a m p l e r for Gas C h r o m a t o g r a p h y U n a t t e n d e d i n j e c t i o n a n d s u b s e q u e n t a n a l y s i s of u p t o 6 0 s a m p l e s per sequence are now possible using the Dynatech Precision Sampling G C - 3 1 1 A u t o s a m p l e r . By p e r f o r m i n g all s t e p s in t h e s a m p l e i n j e c t i o n p r o c e s s w i t h m e c h a n i c a l p r e c i s i o n , e r r o r s i n h e r e n t in h a n d i n j e c t i o n t e c h n i q u e s a r e e l i m i n a t e d . R e p r o d u c i b i l i t y is e n h a n c e d , a n d r e s u l t s a r e more uniform. T h e G C - 3 1 1 m o u n t s easily to v e r t i c a l or h o r i z o n t a l inlet s y s t e m s a n d i n t e r f a c e s d i r e c t l y w i t h t h e GC. S i m p l e p r o g r a m m i n g via e x i s t i n g GC lab c o m p u t e r or o p t i o n a l p r o g r a m m e r a l l o w s u n a t t e n d e d i n j e c t i o n and analysis. T h e G C - 3 1 1 is e c o n o m i c a l l y p r i c e d , l a b o r a t o r y - t e s t e d for reliability, a n d w e l l - c o n s t r u c t e d . A d d i t i o n a l f e a t u r e s i n c l u d e v a r i a b l e inject v o l u m e s , solvent flush, multiple same-sample inject capability, and optional BCD output. Special m o u n t i n g brackets allow quick adjustment between dual i n l e t s o n t h e s a m e c h r o m a t o g r a p h a n d easy t r a n s f e r f r o m o n e c h r o m a t o g r a p h t o a n o t h e r . For m o r e i n f o r m a t i o n o n t h e G C - 3 1 1 A u t o s a m p l e r a n d o t h e r a v a i l a b l e a u t o s a m p l e r s , i n c l u d i n g t h e LC 2 2 1 A u t o s a m p l e r for H P L C a n d t h e GC U n i s a m p l e r , c o n t a c t D y n a t e c h P r e c i s i o n S a m p l i n g C o r p o r a t i o n , P.O. B o x 1 5 8 8 6 , B a t o n R o u g e , LA 7 0 8 9 5 . T e l e p h o n e (504) 9 2 7 - 1 1 2 8 .
PS
DYNATECH
PRECISION SAMPLING
CORPORATION
CIRCLE 55 ON READER SERVICE 760 A · ANALYTICAL CHEMISTRY, VOL. 56, NO. 6, MAY 1984
CARD
