42 A
ANALYTICAL
THE
4
LABORATORY
OUTSTANDING ADVANTAGES
SUPPLY
LABORATORY
CENTER
SERVICES
R
* V i t a m i n assays * M i n e r a l determinations including f l u o r i n e a n d o t h e r trace e l e m e n t s o f nutritional importance * Evaluation of u n k n o w n c o m p o u n d s for insecticidal, fungicidal, and bactericidal properties * Phenol coefficient determinations * Food bacteriology * Fat a n d o i l c o n s t a n t s * S p e c t r o p h o t o m e t r i c analyses Write for details
P C
Madis
I N THE N E W
W CENTRIFUGE • • η *
COMPACT—Bowl, motor, rheostat, t a c h o meter a n d timer a r e e n c l o s e d in cabinet CONVENIENCE—All controls a n d indicators mounted on a single recessed p a n e l in f r o n t
BEAUTY—Handsome floor model cabinet has distinguished a p p e a r a n c e . ECONOMY—Moderately priced. Quality ™ b u i l t . . . requires minimum o f maintenance Available in 2 sizes Write Dept. A for illustrated folder
3
PHILLIPS-DRUCKER ST.
LOUIS, M O .
CARGILLE
M I C R O BEAKERS Glass; Capacities 0.5 ml & 1.0 ml. For weighing out samples lor analysis; lor semi-micro procedures. Numerous other a p p l i c a t i o n s . ^ ^ ^
•>A/te for descriptive leaflet & sampleOft—Send $2.00 for 24 assorted Micro Beakers and Plastic Holde — as illustrated. D Λ . . _ : i | „ 118 Liberty Slreet
WISCONSIN ALUMNI RESEARCH FOUNDATION P.O. Box 2059
CHEMISTRY
R . P. Cargille N*» York β, Ν. Υ.
1, Wis
FLEXIBLE PLASTIC TUBING TOP QUALITY,
Want more basic facts on the Process Industries and the magazines which serve the field most effectively? Send for our Data Sheet file. It will give you all pertinent data on mar kets, circulation, rates, reader ship, etc. Write to: Promotion Department, lleinliold Pub lishing Corporation, 330 West 12nd St., New York 18, N . Y .
MODERATELY PRICED
Nalge's Alanol flexible plastic tubing is tough, clear and chemically inert. Can be used for corrosive chemicals, alcohol, food products, beverages and oils. Sterilizable with steam, it is made of a Vinyl Chloride Compound and stocked in 37 sizes from .120 to 1 inch i.d., 170 to \% inches o.d. Tem perature range is minus 35 to plus 190 de grees F. Ask us tor prices and quantity discounts, they will show large saving's over competi tive products. Samples supplied.
The NALGE Company 6 2 3 3. G o o d m a n S t . , R o c h e s t e r 2 0 , N . Y .
INDEX TO ADVERTISERS Aleonox, Inc. Allied Chemical λ- Dye Corp Aloe Co., A. S American Platinum Works Applied Research Laboratories Autoclave Engineer*. Inc
39 A 4th Cover 10 A 27 A 8 A 19 A
Baker & Adamson Products Baker Chemical Co.. J. Τ Bausch and Lonib Optical Co Beckman Instruments Inc Barrel! Corp
4th Cover 2nd Cover 44 A S A 33 A
Central Scientific Co Chemical Rubber Co Coleman Instruments, Inc Cours Porcelain Co
βA 37 A 25 A :34 A 34 A
Daigger & Co., A
40 A
Eastman Kodak Co
15 A
Kish-Schurman Corp Fisher Scientific Co General Chemical Div General Laboratory Supply Co Greer Stop Nui Company Greiner Co., Emil Harshaw Chemical Co Hellige, Inc. Jarrell-Ash Co Kern Co Kewaunee Mfg. Co Kimble Glass Div Klett Mfg. Co Laboratory Construction Co Laboratory Furniture Co., inn Lindberg Engineering Co
37 A 22 A 4th Cover 38 A 12 A 9A 7 A 37 A 17 A 24 A 35 A 11 A 34 A : 40 A 41 A 43 A 27 A
Merck & Co., Inc Meyer Scientific Supply Co., Inc New York Laboratory Supply Co., Inc North American Philips Co., Inc
4 38 13 18
A A A A
Ow-PTiH-Tiii™;.! ru««« rv.
11 \
Palo Laboratory Supplies, Tin· Parr Instrument Co Photovolt Corp Precision Scientific Co Sargent
