THE LABORATORY SUPPLY CENTER
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42 A ANALYTICAL CHEMISTRY THE LABORATORY SUPPLY CENTER 4 OUTSTANDING ADVANTAGES IN THE NEW <^*«i4x>W CENTRIFUGE • COMPACT—Bowl, motor, rheostat, tacho- • meter and timer are enclosed in cabinet η CONVENIENCE—All controls and indicators * mounted on a single recessed panel in front 3 BEAUTY—Handsome floor model cabinet has distinguished appearance . ECONOMY—Moderately priced. Quality ™ built... requires minimum of maintenance Available in 2 sizes Write Dept. A for illustrated folder PHILLIPS-DRUCKER ST. LOUIS, MO. LABORATORY SERVICES * Vitamin assays * Mineral determinations including fluorine and other trace elements of nutritional importance * Evaluation of unknown compounds for insecticidal, fungicidal, and bactericidal properties * Phenol coefficient determinations * Food bacteriology * Fat and oil constants * Spectrophotometric analyses Write for details WISCONSIN ALUMNI RESEARCH FOUNDATION P.O. Box 2059 Madis 1, Wis FLEXIBLE PLASTIC TUBING TOP QUALITY, 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 623 3. Goodman St., Rochester 20, N.Y. CARGILLE MICRO BEAKERS Glass; Capacities 0.5 ml & 1.0 ml. For weighing out samples lor analysis; lor semi-micro procedures. Numerous other applications.^^^ •>A/te for descriptive leaflet & sample- Oft—Send $2.00 for 24 assorted Micro Beakers and Plastic Holde — as illustrated. R D Λ . . _ : i | „ 118 Liberty Slreet . P. Cargille N*» York β, Ν. Υ. 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 . INDEX TO ADVERTISERS Aleonox, Inc. 39 A Allied Chemical λ- Dye Corp 4th Cover Aloe Co., A. S 10 A American Platinum Works 27 A Applied Research Laboratories 8 A Autoclave Engineer*. Inc 19 A Baker & Adamson Products 4th Cover Baker Chemical Co.. J. Τ 2nd Cover Bausch and Lonib Optical Co 44 A Beckman Instruments Inc S A Barrel! Corp 33 A Central Scientific Co β A Chemical Rubber Co 37 A Coleman Instruments, Inc 25 A :34 A Cours Porcelain Co 34 A Daigger & Co., A 40 A Eastman Kodak Co 15 A Kish-Schurman Corp 37 A Fisher Scientific Co 22 A General Chemical Div 4th Cover General Laboratory Supply Co 38 A Greer Stop Nui Company 12 A Greiner Co., Emil 9 A Harshaw Chemical Co 7 A Hellige, Inc. 37 A Jarrell-Ash Co 17 A Kern Co 24 A Kewaunee Mfg. Co 35 A Kimble Glass Div 11 A Klett Mfg. Co 34 A : 40 A Laboratory Construction Co 41 A Laboratory Furniture Co., inn 43 A Lindberg Engineering Co 27 A Merck & Co., Inc 4 A Meyer Scientific Supply Co., Inc 38 A New York Laboratory Supply Co., Inc 13 A North American Philips Co., Inc 18 A Ow-PTiH-Tiii™;.! ru««« rv. 11 \ Palo Laboratory Supplies, Tin· 36 A Parr Instrument Co 38 A Photovolt Corp 36 A : 39 A : 43 A Precision Scientific Co 14 A Sargent <fc Co., Ε Η 2 1 A Sehaar & Co 16 A Schleicher & Schuell Co.. Carl 41 A Scientific Glass Apparatus Co., Luc 43 A Servo Corp. of America 35 A Specialized Instruments Corp 35 A Taylor & Co., W. A 39 A Thermal Syndicate, Ltd 36 A Thomas Co., Arthur Η 20 A Torsion Balance Co 3rd Cover Welch Scientific Co., \V. ΛΙ 28 A DIRECTORY Laboratory Supply Center 42 A Cargille, K. P. Nalge Co. Phillips-Drueker Co. Wisconsin Alumni Research Foundation KEINHOLD PUBLISHING CORPORATION Advertising Management for the American Chemical Society Publications 330 W. 42nd Street, New York 18, Ν. Υ. ADVERTISING SALES REPRESENTATIVES Merald Lue, Advertising Sales Manager New York 18-BRyant 9-4430; B. Franklyn LaRue, James J. Sulli- van, G. E. Collyer, Thomas F. Casey Chicago 3-111 West Washington Street, RAndolph 6-8497; G. E. Cochran. Edward J. Fregan Cleveland 13-630 Terminal Tower, PRospect 1-5583; S. S. Steiner, Rodney D. Long San Francisco 5—McDonald-Thompson, 625 Market Street, YUkon 6-0647; Roy M. McDonald, Richard E. Jespersen Los Angeles 5-McDonald-Thompson, 3727 West Sixth Street, Dunkirk 7-5391; Ε. Τ. Thompson Seattle 1—McDonald-Thompson, Terminal Sales Bldg., Main 3860; Harry Abney Dallas 11-McDonalrt-Thompson, 1118 Odeans Drive, Winfleld 4911; Richard C. Wipperman R P C
Transcript of THE LABORATORY SUPPLY CENTER
42 A A N A L Y T I C A L C H E M I S T R Y
THE LABORATORY SUPPLY CENTER
4 OUTSTANDING ADVANTAGES
I N THE N E W
<^*«i4x>W CENTRIFUGE • COMPACT—Bowl, motor, rheostat, tacho-• meter and t imer a re enc losed in cabinet η CONVENIENCE—All controls and indicators * mounted on a single recessed panel in f ron t
3 BEAUTY—Handsome floor model cabinet has distinguished appearance
. ECONOMY—Moderate ly pr iced. Qual i ty ™ b u i l t . . . requires minimum o f maintenance
Available in 2 sizes Write Dept. A for illustrated folder
PHILLIPS-DRUCKER S T . L O U I S , M O .
LABORATORY S E R V I C E S * V i t a m i n assays * M i n e r a l de te rm ina t i ons i n c l u d i n g
f l uo r ine a n d o ther trace e lements of nu t r i t i ona l i m p o r t a n c e
* Eva lua t ion of u n k n o w n c o m p o u n d s for i n s e c t i c i d a l , f u n g i c i d a l , and bac te r i c i da l p rope r t i es
* P h e n o l c o e f f i c i e n t de te rm ina t i ons * F o o d b a c t e r i o l o g y * Fat and o i l constants * S p e c t r o p h o t o m e t r i c analyses
Write for details WISCONSIN ALUMNI
RESEARCH FOUNDATION P.O. Box 2059 Madis 1 , Wis
FLEXIBLE PLASTIC TUBING TOP QUALITY, 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. Temperature range is minus 35 to plus 190 degrees F.
Ask us tor prices and quantity discounts, they will show large saving's over competitive products. Samples supplied.
The NALGE Company 6 2 3 3. G o o d m a n St. , Roches te r 2 0 , N.Y.
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 app l i ca t ions .^^^
•>A/te for descriptive leaflet & sample-Oft—Send $2.00 for 24 assorted Micro Beakers and Plastic Holde — as illustrated.
R D Λ . . _ : i | „ 118 Liberty Slreet . P. Cargille N*» York β, Ν. Υ.
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 markets, circulation, rates, readership, etc. Write to: Promotion Department, lleinliold Publishing Corporation, 330 West 12nd St., New York 18, N.Y.
INDEX TO ADVERTISERS Aleonox, Inc. 39 A Allied Chemical λ- Dye Corp 4th Cover Aloe Co., A. S 10 A American Platinum Works 27 A Applied Research Laboratories 8 A Autoclave Engineer*. Inc 19 A
Baker & Adamson Products 4th Cover Baker Chemical Co.. J. Τ 2nd Cover Bausch and Lonib Optical Co 44 A Beckman Instruments Inc S A Barrel! Corp 33 A
Central Scientific Co β A Chemical Rubber Co 37 A Coleman Instruments, Inc 25 A :34 A Cours Porcelain Co 34 A
Daigger & Co., A 40 A
Eastman Kodak Co 15 A
Kish-Schurman Corp 37 A Fisher Scientific Co 22 A General Chemical Div 4th Cover General Laboratory Supply Co 38 A Greer Stop Nui Company 12 A Greiner Co., Emil 9 A
Harshaw Chemical Co 7 A Hellige, Inc. 37 A
Jarrell-Ash Co 17 A
Kern Co 24 A Kewaunee Mfg. Co 35 A Kimble Glass Div 11 A Klett Mfg. Co 34 A : 40 A Laboratory Construction Co 41 A Laboratory Furniture Co., inn 43 A Lindberg Engineering Co 27 A
Merck & Co., Inc 4 A Meyer Scientific Supply Co., Inc 38 A New York Laboratory Supply Co., Inc 13 A North American Philips Co., Inc 18 A Ow-PTiH-Tiii™;.! ru««« rv. 11 \
Palo Laboratory Supplies, Tin· 36 A Parr Instrument Co 38 A Photovolt Corp 36 A : 39 A : 43 A Precision Scientific Co 14 A
Sargent <fc Co., Ε Η 2 1 A Sehaar & Co 16 A Schleicher & Schuell Co.. Carl 41 A Scientific Glass Apparatus Co., Luc 43 A Servo Corp. of America 35 A Specialized Instruments Corp 35 A
Taylor & Co., W. A 39 A Thermal Syndicate, Ltd 36 A Thomas Co., Arthur Η 20 A Torsion Balance Co 3rd Cover
Welch Scientific Co., \V. ΛΙ 28 A
DIRECTORY Laboratory Supply Center 42 A
Cargille, K. P. Nalge Co. Phillips-Drueker Co. Wisconsin Alumni Research Foundation
KEINHOLD PUBLISHING CORPORATION Advertising Management for the
American Chemical Society Publications 330 W. 42nd Street, New York 18, Ν. Υ.
ADVERTISING SALES REPRESENTATIVES Merald Lue, Advertising Sales Manager
New York 18-BRyant 9-4430; B. Franklyn LaRue, James J. Sullivan, G. E. Collyer, Thomas F. Casey
Chicago 3 -111 West Washington Street, RAndolph 6-8497; G. E. Cochran. Edward J. Fregan
Cleveland 13-630 Terminal Tower, PRospect 1-5583; S. S. Steiner, Rodney D. Long
San Francisco 5—McDonald-Thompson, 625 Market Street, YUkon 6-0647; Roy M. McDonald, Richard E. Jespersen
Los Angeles 5-McDonald-Thompson, 3727 West Sixth Street, Dunkirk 7-5391; Ε. Τ. Thompson
Seattle 1—McDonald-Thompson, Terminal Sales Bldg., Main 3860; Harry Abney
Dallas 11-McDonalrt-Thompson, 1118 Odeans Drive, Winfleld 4911; Richard C. Wipperman
R P
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