VISI
ANNOUNCING MEW ΨΟΒ ©C
Valco Instruments Co. Inc.
P.O. Box 55603 Houston, Texas 77255 (713) 688-9345 TWX 910-881-5500 Telex 79 0033
SBËA COLUMNS
%JW -
Valco Switzerland Tannberg P.O. Box 13 CH-6214 Schenkon (045) 216868 Telex 868342 vici ch
FOR FUSED
• s « n a l e injection &Mn«iflng • bacIUushing • concentration • heaiiAutting • stripflig
.25mm bore throughout, 350°C maximum temperature
»
The first devices for direct sampling and switching of fused silica columns are now available from Valco and leading international dealers. CIRCLE 226 ON READER SERVICE CARD
-Universal Drive - Body Rotor Pre-load Assembly
AND
IMEW ¥OU UPLC
The most advanced "user friendly" HPLC sample injection and switching valves. • smallest internal volume of any HPLC valve • the easiest to turn HPLC injector ι sample sizes from .06 μ I ^ t o 10 cc • use standard syringes • lowest bandspreading • air or electric automation • 3-12 port models for flow • simpTWW»Bl tools needed f o P r w w r ^ ' l replacement
CIRCLE 227 ON READER SERVICE CARD
