PHOSPHATE-FREE
WHEATON VITROKITS WITH CLEAR-SEAL JOINTS
®
YEARS-AHEAD LIQUID DETERGENT!
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UQUINDX ·* «wiwTeu*··*6 I THE GLASS JOINTS OF TOMORROW AVAILABLE TODAY AT NO EXTRA C O S T . . . A WHEATON EXCLUSIVE VITROKITS are now available with Clear-Seal* joints in place of ground, opaque joints. ClearSeal joints are produced to American Standard taper dimensions. Their smooth surfaces do not require lubrication, even for vacuum applications, thus eliminating this source of contamination. Check these advantages of Clear-Seal: • • • • • • • •
L I Q U I - N O X . . . f o r m u l a t e d and marketed years ahead of its c o m p e t i t i o n . . . years ahead of its time. Proved under critical laboratory and hospital conditions. More than a liquid detergent, LIQUI-NOX is a powerful, complete cleaning agent that meets today's highest scientific standards:
No lubricant necessary Superior in vacuum applications Transparent mating surfaces Easier cleaning Greater strength Reduced possibility of seizing Interchangeable with ground joints VITRO Brand borosilicate glass
• • • •
Contains no NTA Biodegradable For Ultrasonic washers . . . for manual cleaning Ideal for tissue culture w o r k . . . for bio-chemical laboratories • Blood and fat solvent for total cleaning power — f o r instruments, glassware, metals, plastics • Dissolves completely in cold or hot w a t e r . . . rinses clean—no residue • Mild to hands
•License Ronor S.A. Berne, Switzerland
NEW BROCHURE Send today for your copy of our new Vitrokit Brochure describing Vitrokits with 114/20, 19/22, and 24/40 Clear-Seal Joints and Vitrokit Junior, the economy special. Other kits can be custom-designed to your specifications.
WMFATON
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L I Q U I - N O X . . . made to tackle today's critical clean ing problems, ready for tomorrow's.
WHEATOW
. .. innovations come from Wheaton
WHEATON
• I
S C I E N T I F I C
104 A ·
1 Quart container Case (12 χ 1 Qt.) 1 Gallon container Case (4 χ 1 Gal.) (Includes FREE 1-oz. dispenser) 15-Gallon Drum 'Prices slightly higher West of Rockies
PRICES* $ 2.15 19.92 7.00 24.00 74.30
Order from your Laboratory-Hospital Supply Dealer NOW, or write:
ALCONOX, INC.
1000 North 10th Street Millville, New Jersey 08332, U.S.A.·
215 PARK AVENUE SOUTH · NEW YORK, N.Y. 10003
Circle No. 191 on Readers' Service Card
Circle No. 4 on Readers' Service Card
ANALYTICAL CHEMISTRY, VOL. 43, NO. 4, APRIL 1971