LABORATORY SUPPLY CENTER
1
LABORATORY TRADE-MARK 1,2-DIMETHOXYETH ANE (Ethylene Glycol Dimethyl Ether) (peroxide inhibited) ANHYDROUS! CH 3 OCH 2 CH 2 OCH3 B.P. = 85° C Flash Ρ (open cup) = 40° F In 5 gal. drums and in 1 and 5 lb. bottles. From stock or to order on short notice. Write to our Depf. "J" for Technical Data Sheet CUSTOM SERVICES We specialize in producing organic compounds, intermediates (used in making hormones, vitamins, etc.) and semi-finished drugs, insecticides and. pesticides o n a volume basis: Don't spend for plant unless you are sure. It's better to hire us as many of our satisfied customers do. Want their names? ARAPAHOE CHEMICALS, INC. 2800 PEARL STREET · BOULDER. COLORADO PRODUCERS OF FINE ORGANIC CHEMICALS 1919—1960 La Motte Chemical Chestertown Maryland U. S. A. Specialists in Colorimetric Techniques Reagents—-Standards—Comparators Send for Illustrated Controls Catalog Dept. AC CLARK MIGROANALYTICAL LABORATORY CH, N, S, Halogen, Fluorine. Oxygen, Alkoxyl, Alklmide, Acetyl, Terminal Methyl, etc., by specialists In organic microchemical analysis. Howard S. Clark, Director P. O. Box 17, Urbina, 111.—Telephone EMpire 7-8406 The Most Accurate Pipet MISCO Micro pipets make measurements reproducible to 0.1% routinely. Most com- plete line anywhere. Write for 12-page catalog. MICROCHEMICAL SPECIALTIES CO. 182S Eastshore Highway, Berkeley 10, California "STANDCO" VARIABLE SPEED LABORATORY STIRRER A precision made High Quality Stirrer with 2 Hollow Shafts. Low Speed appro*. 18-270 RPM High Speed approx. 150-2250 RPM With increased power at decreasing speeds. Rugged and compact with many outstanding features BULLETIN 7002 l^<^w*^»^Λ^^»v^»^<^^« REAGENTS OF THE MONTH, '<^v^«^«^^^vw^»v a, α'-DIPYRIDYL NITROSO-R-SALT PICROLONIC ACID XYLENOL ORANGE Over 3,000 other oiqanic laboratory chemicals in stock. MASS SPECTROMETER SERVICE PETROLEUM ANALYTICAL RESEARCH CORP. P. O. Box 12334 Houston 17, Texas Tel. Mission 9-2753 SPECIAL LIGHT SOURCES by GATES • Raymaster Biaekli{ht (long and short wave ultraviolet) • Sodium Viper • Mercury Vapar • Zircanium Concentrated Arc Lamps • Mercury Point Sources • Imported Spectral Lamps • Photochemical or High Intensity "Uviarcs" • Auxiliary Operating Equipment for Above Write* ,or FREE Catalog or Contact πι IIV your Laboratory Supply Dealer Analytical Grade Ion Exchange Resins? (Prepared from Dowex Resins) ASK FOR PRICE LIST AM ΛΒΙΟ-RAD Laboratories 32nd & GRIFFIN AVE. · RICHMOND, CALIFORNIA SAFETY IGNITION UNIT SCH0NIGER OXYGEN FLASK THE F & M MODEL 141 SAFETY IGNITION UNIT adds convenience to the Schôniger Oxygen Meth- od. The Method is use- ful for converting or- ganic carbon, halides including fluorides, sul- fur, phosphorus and various metals into a soluble organic state in prepara- tion for final de- termination. WRITE FOR DESCRIPTIVE LITERATURE HERMAN H.STKHT CO., INC. 27 PARK PLACE, NEW YORK 7.N.Y. F & M SCIENTIFIC CORP. 1202 ARNOLD AVE., N.C.C. AIR BASE NEW CASTLE, DEL. PHONE EA 8-6606 AIR POWERED STIRRERS For Laboratory Use * HIGH TORQUE * VARIABLE SPEEDS * LIGHT WEIGHT * DURABLE * EXPLOSION PROOF * QUIET * COMPACT * ECONOMICAL See Our Full Page Ad in CHEMICAL MATERIALS CATALOG or Write /or Illustrated Literature . . . ARROW Engineering Co., Inc. Ï 0 0 Central Ave., Hillside, N . J . (Acid Washed) FIREBRICK FOR Chromatographic Analyzers 9 Mesh Sizes 20/40 to 180/200 LOCKWOOD & McLORIE, INC. Horsham, Pa. LABORATORY SERVICES «or the FOOD, FEED, DRUG and CHEMICAL INDUSTRIES Analyses, Biological Evaluation, Toxicity Studies, Insecticide Testing and Screening, Flavor Evaluation. Project Research and Consultation Write for Price Schedule P. O. Box 2 2 1 7 · Madison 1, Wis. YOUR ANNOUNCEMENT of Equipment or Chemicals for Sale and/or Wanted, and Professional Services, can carry YOUR MESSAGE to the readers of the leading work-magazine for instru- mentation, control and analysis. Rates on request ANALYTICAL CHEMISTRY Advertising Office 430 Park Avenue New York 22, Ν. Y. 1 1 0 A · ANALYTICAL CHEMISTRY SUPPLY CENTER EASTERN CHEMICAL CORPORATION 34-K Spring Street Newark 4, N. J. GEORGEW.GATES&CO. Box 216., Franklin Square, L . I . . N . Y.
Transcript of LABORATORY SUPPLY CENTER
L A B O R A T O R Y TRADE-MARK
1,2-DIMETHOXYETH ANE (Ethylene G lyco l Dimethyl Ether)
(peroxide inhibited)
ANHYDROUS! C H 3 O C H 2 C H 2 O C H 3
B.P. = 8 5 ° C Flash Ρ (open cup) = 4 0 ° F
In 5 gal . drums and in 1 and 5 lb . bottles. From stock or to order on short notice.
W r i t e to our Depf . "J" for Technical Data Sheet
C U S T O M SERVICES
W e s p e c i a l i z e in p r o d u c i n g o r g a n i c c o m p o u n d s , i n t e r m e d i a t e s ( u s e d i n m a k i n g h o r m o n e s , v i t a m i n s , e tc . ) a n d s e m i - f i n i s h e d d r u g s , insec t ic ides a n d . pes t ic ides o n a v o l u m e b a s i s :
Don' t spend for plant unless you are sure. It's better to hire us as many of our satisfied
customers do . Want their names?
ARAPAHOE CHEMICALS, INC. 2800 PEARL STREET · BOULDER. COLORADO PRODUCERS OF FINE ORGANIC C H E M I C A L S
1919—1960 La Motte Chemical
Chestertown Maryland U. S. A . Specialists in
Colorimetric Techniques Reagents—-Standards—Comparators
Send for Illustrated Controls Catalog Dept . A C
CLARK
MIGROANALYTICAL LABORATORY
CH, N , S, Halogen, Fluorine. Oxygen, Alkoxyl, Alklmide, Acetyl, Terminal Methyl, etc., by specialists In organic microchemical analysis.
Howard S. Clark, Director P. O. Box 17, Urbina, 111.—Telephone EMpire 7-8406
The Most Accurate Pipet
M I S C O Micro pipets make measurements reproducible t o 0 . 1 % routinely. Mos t complete line anywhere. Wri te for 12-page catalog.
MICROCHEMICAL SPECIALTIES CO. 182S Eastshore Highway, Berkeley 10, California
"STANDCO" VARIABLE SPEED
LABORATORY
STIRRER A precision made High Quality Stirrer with 2 Hollow Shafts.
Low Speed appro*. 18-270 RPM High Speed approx. 150-2250 RPM
With increased power at decreasing speeds.
Rugged and compact with many outstanding features
BULLETIN 7002
l ^<^w*^»^Λ^^»v^»^<^^« REAGENTS OF THE MONTH, ' < ^ v ^ « ^ « ^ ^ ^ v w ^ » v
a, α'-DIPYRIDYL NITROSO-R-SALT PICROLONIC ACID XYLENOL ORANGE
Over 3,000 other oiqanic laboratory chemicals in stock.
MASS SPECTROMETER
SERVICE
PETROLEUM ANALYTICAL RESEARCH CORP. P. O. Box 12334 Houston 17, Texas
Tel. Mission 9-2753
SPECIAL
LIGHT SOURCES by GATES
• Raymaster Biaekli{ht (long and short wave ultraviolet)
• Sodium Viper • Mercury Vapar • Zircanium Concentrated Arc Lamps • Mercury Point Sources • Imported Spectral Lamps • Photochemical or High Intensity "Uviarcs" • Auxiliary Operating Equipment for Above
Write* , o r F R E E Catalog or Contact π ι I I V y o u r Laboratory Supply Dealer
Analytical Grade Ion Exchange Resins?
(Prepared from Dowex Resins) ASK FOR PRICE LIST A M
ΛΒΙΟ-RAD Laboratories 32nd & GRIFFIN AVE. · RICHMOND, CALIFORNIA
SAFETY IGNITION UNIT SCH0NIGER OXYGEN FLASK THE F & M MODEL 141 SAFETY I G N I T I O N UNIT adds convenience to the Schôniger Oxygen Method. The Method is usefu l fo r c o n v e r t i n g or ganic carbon, halides including fluorides, sulf u r , p h o s p h o r u s a n d various metals into a s o l u b l e o r g a n i c state in preparation for final determination. WRITE FOR DESCRIPTIVE LITERATURE
HERMAN H.STKHT CO., INC.
2 7 PARK PLACE, NEW YORK 7 . N . Y .
F & M SCIENTIFIC CORP.
1202 ARNOLD AVE., N.C.C. AIR BASE NEW CASTLE, DEL. PHONE EA 8-6606
AIR POWERED STIRRERS For Laboratory Use
* H I G H T O R Q U E
* VARIABLE SPEEDS
* L I G H T W E I G H T
* DURABLE
* EXPLOSION PROOF
* Q U I E T
* COMPACT
* ECONOMICAL
See O u r Full Page A d in C H E M I C A L M A T E R I A L S C A T A L O G or Write /or Illustrated Literature . . . ARROW Engineering Co., Inc.
Ï 0 0 Central A v e . , H i l l s ide , N . J.
( A c i d W a s h e d )
FIREBRICK
FOR Chromatographic Ana lyzers
9 Mesh Sizes 20/40 to 180/200
LOCKWOOD & McLORIE, INC . Horsham, Pa.
LABORATORY SERVICES
«or the FOOD, FEED, DRUG a n d CHEMICAL INDUSTRIES
Analyses, Biological Evaluation, Toxicity Studies, Insecticide Testing
and Screening, Flavor Evaluation.
Project Research and Consultation
Wri te for Price Schedule P. O . Box 2217 · Madison 1 , Wis .
YOUR ANNOUNCEMENT of Equipment or Chemicals for Sale and/or Wanted, and Professional Services, can carry YOUR MESSAGE to the readers of the leading work-magazine for instrum e n t a t i o n , c o n t r o l a n d analysis.
Rates on request
ANALYTICAL CHEMISTRY
Advertising Office
430 Park Avenue New York 22, Ν. Y.
1 1 0 A · ANALYTICAL CHEMISTRY
S U P P L Y C E N T E R
EASTERN CHEMICAL CORPORATION 34-K Spring Street Newark 4 , N. J.
GEORGEW.GATES&CO. Box 216., Franklin Square, L . I . . N . Y.
