" C O R R O S I V E S O L U T I O N H A N D L E D BY SPECIAL PLUNGER" T h e Montrose Chemical Corporation o f T o r r a n c e , California, e m p l o y s gas c h r o m a t o g r a p h y t o maintain a high level of quality in its D D T p r o d u c t s . A corrosive solution of chloral, containing w a t e r , h y d r o g e n chloride and other impurities, is introduced w i t h a Hamilton 7 2 5 Gas T i g h t Syringe. S u c h a corrosive sample w o u l d d a m a g e t h e metal plunger of an ordinary syringe, but Hamilton's t e f l o n - c o a t e d plunger resists corrosion and t h e needle can be easily replaced if d a m a g e d by corrosion. T h e y s t a t e " w e now have better control, and w e get t h e a c c u r a c y w e need f o r reproducible results." Hamilton manufactures a complete line of precision syringes, solid samplers, and related chromatograph equipment.
Clip, attach to letterhead and mail
To: HAMILTON COMPANY, inc. . P.O. Box 3 0 7 Β . Whittier, Calif. Send me a catalog on your complete line of syringes and related equipment Name
Title
Circle No. 59 on Readers' Service Card
VOL. 36, NO. 7, JUNE 1964
·
27 A