The shell of the P-K Type (LV) Lab Blender can be charged from either side by the quick removal Of either of two dust- and watertight covers.
NEW
PRODUCTS
glass
with
P-K's NEW (LV) LAB BLENDER YOU GET THESE 3 DIFFERENT MIXING ACTIONS... LIQUID-SOLIDS TYPE - To disperse and blend, uniformly, liquids of any viscosity with dry solids, just insert the wire cage liquidfeed bar assembly. Handles liquids from mi nute quantities up to 40% of total weight. Liquid is introduced through hollow shaft of bar. Even critical formulations blended in 5 to 10 minutes.
INTENSIFIER TYPE — To get intensive mix
combination
Stopcock lock, made of Teflon and Marlex " 5 0 , " provides positive lock ing action without using springs or clamps, and yet rotates freely. It will convert standard taper glass stopcocks for pressure applications. Available in five sizes to fit all F&P or Kimble S.T. glass stopcocks. Fischer & Porter Co. P-31 Automatic Syringe Attachments A t t a c h m e n t s fit s t a n d a r d syringes to provide repeated automatic refills t o whatever volume has been set. The construction design permits t h e setting to be changed as desired and also per mits a t t a c h m e n t or removal instantly without altering t h e setting. The units
GENTLE PRECISION BLENDING
— Simply remove wire cage bar. Unique blend ing action will not cause attrition or break down even the most delicate crystals. Average blending time: 3 to 5 minutes.
This new P-K Type ( L V ) Lab Blender owes its versatility to the design of the removable, spring-loaded liquid-feed bar assembly. Liquids and solids are prevented from entering the bearing housings by an exclusive, patented seal. Standard (LV) Lab Blenders are available in 8 and 16 quart capacities, in transparent Lucite or stainless steel. Interior of shell and stain less steel bar assembly can be cleaned, clin ically, in minutes. Operates on 115 ν AC. Units can be shipped from stock. For complete technical information and prices, write to PK's Chemical and Process Equip ment Division^ 101 Hanson Street, East Stroudsburg, Pennsylvania. I,SQ
Patterson-Kelley All P-K Twin-Shell Blenders are patented and the name registered Circle No. 109 on Readers' Service Card
U.IJJMftllU.l.llI
blood assembly:
ing of hard-to-blend dry solids, or to break up agglomerates, use wire cage bar assembly. Average blending time for dry formulations: 3 to 5 minutes.
FOR
reference
are available in 2-, 5-, a n d 10-cc. sizes. T h e 0.25-cc. tuberculin syringe fits into the 2-cc. size by means of a n a d a p t e r . Similarly, t h e 1-cc. tuberculin a n d t h e 50- and 100-μ1. syringes fit into t h e 10cc. size. T h e company says t h e fine thread adjusting screw permits setting to any desired volume, effectively m a k ing t h e syringe an a u t o m a t i c pipet. Scientific Industries, Inc. P-32
metallic
miscellaneous
special purpose
the finest pH electrodes for every purpose And Beckman, pioneer and leader in pH instrumentation since 1935, offers you the widest selection in each standard type of electrode. Whether you need a glass, reference, combination, blood assembly, metallic, special assembly or miscellaneous type of electrode, you can select the one most suitable for your specific application. Order Beckman electrodes by catalog number or consult your Beckman authorized laboratory apparatus dealer for expert advice. In addition t o these basic types, special purpose electrodes may be obtained to solve new or unusual pH and/or specific ion problems. For list of dealers and complete electrode catalog write for Data F i l e l 5 - l - p H .
Beckman® Scientific and Process / Instruments
Division
Beckman Instruments, Inc. Fullerton, California Circle No. 28 on Readers' Service Card
VOL 33, NO. 1, JANUARY 1961 ·
113 A
