NEW PRODUCTS
* accuracy
Widebeta II radioactivity counting system offers low background count ing with a wide dynamic range for measuring alpha and beta radio activity. The instrument permits automatic printout of alpha/beta ratio and beta/beta ratio. Push button controls are included and the system automatically displays sample number, time of day, counting time, counts, count per minute, and per centage counting error. Beckman Scientific and Process Instruments Division, 2500 Harbor Blvd., Fullerton, Calif. 9 2 6 3 4 . 421
*Here,s the precision laboratory scale with the speed and accuracy you need Model B-210
PENNSYLVANIA Exireme-Sensitiviiy AUTOMATIC ANALYSIS SCAIE
MODEL B-210 is an extended range, double platform, automatic i n d i c a t i n g precision scale providing extreme sensitivity, speed and accuracy
in c a p a c i t i e s up to 12,500 grams or 22 pounds. The a u x i l i a r y p l a t f o r m is used for weighing up to 1/10 of scale capacity in the order of milligrams. The main platform is used for w e i g h i n g from 1/10 of scale capacity to full scale capacity -with the same percentage of accuracy as achieved on the smaller platform. Wide range of chart and beam combinations available to suit your p a r t i c u l a r laboratory requirements.
Write today for Free Catalog on the full line of Pennsylvania Precision Scales.
PENNSYLVANIA SCALE COMPANY Bareville (Leola) Pennsylvania Circle No. 85 on Readers' Service Card
NEW P O L Y S T Y R E N E GEL C O L U M N P A C K I N G SEPARATIONS OF FATTY ACIDS, OILS, AND LIPIDS USING ORGANIC SOLVENTS ARE NOW POSSIBLE TYPICAL
SEPARATIONS :
ΓΤ . « t u *4.» 1
η
AVAILABLE
i-
IN
PERMEABI
*
·* »
~^\r
1^
LITY
1'
T E J . smMTI !
