This section includes: CHEMICALS EXCHANGE — Chemicals, Resins, Gums, Oils, Waxes, Pigments, e t c . ; E Q U I P M E N T M A R T — N e w Equipment, Instruments, and Facilities for Plant a n d Laboratory; and TECHNI CAL SERVICES—Consultants, Engi n e e r i n g , Testing and Professional Services.
DIRECTORY SECTION
-isr •
:
~
Advertising Rates: Space rate is $30 per inch. Lower rates available on contract basis. A n "inch" advertise ment measures % " deep on one col umn. Additional space in even lineal inch units. Maximum Space—4" per Directory per publication. Set ads due 18 days in advance of p u b l i c a t i o n ; c o m p l e t e p l a t e s — 1 4 davs.
of ARAPAHOE
CHEMICALS, I N C .
1,2-DIMETHOXY ETHANE ( E t h y l e n e G l y c o l D i m e t h y l Ether)
ANHYDROUS! B.P. =
Iso-amylamine
ORGMET
W E N H A M , MASS.
MERCURIC NITRATE—A. R. Grade 1 0 0 O # , p a c k e d 2 1 # net p e r c a s e
$4.00 per pound, freight prepaid in 3 case lots
M. KUNIS 1 3 2 Ν . Ε. Laurelhurst
Portland 1 5 , Oregon
Do You Need
Custom III M .VIII
SYNTHESIS PURIFICATIONS! DISTILLATIONS,. VACUUM FRACTIONATIONS!
2-Methylbutylamine
85°C
Rash P . (open cup) = 4 0 ° F (peroxide inhibited) In 5 a n d 55 g a l . drums a n d in 1 a n d 5 t b . bottles. From stock o r to o r d e r on short notice. Miscible with both w a t e r a n d h y d r o c a r b o n , Dimethoxy Ethane is unusually ver satile: e . g . Used f o r determining H a l o g e n in Gasoline; a s a g e n e r a l reaction medium; solvent for r e crystallizations; spectrophotomet r y solvent; substitute f o r ether in certain applications.
* * * *
Write to our Dept. "D" for Technical Bulletin
ARAPAHOE SPECIAL PRODUCTS, INC. 1 9 7 0 ^ - 2 8 t h S t r e e t · BOULDER, COLORADO
Producer*, of Special Organic
PURE ISOMERS n-Amylamine
CH30CH2CH2OCH3
ORGANOMETALLICS M a g n e s i u m , lithium, sodium a n d p o t a s ium compounds. Also, AIfincatalyst a n d metal dispersions. W r i t e for c o m p l e t e list
T E C H N I C A L SERVICES
CHEMICALS EXCHANGE Subsidiary
CHEMICALS EXCHANGE
BERKELEY CHEMICAL CORP. The Ames Laboratories, Inc.
Berkeley Heights, N. I .
132 Water Street, So. Norwalk, Conn.
CRestview 3 - 4 1 0 0 or MUrray Hill 9 1817
BJ0RKSTEN
ETHYLENE IMINE n o w available i n two
RESEARCH grades
h i g h purity — b . p . r a n g e 55 °-57 ° C . technically p u r e — b . p . r a n g e 54°-61 ° C . CKEMIRAD CORPORATION P.O. Box 152 Port Washington, L. Ι., Ν . Υ. Phone: Port Washington 7-1341
IABORATORIES
SPONSORED INDUSTRIAL RESEARCH IN PlAStlCS COAtlNOS lAMCNAtES ORGANIC SVNtHESIS RAOlO ISOIOPES MICH PCHVMERS ADHESIVES EifcttONtcs UAiHE· M « I GLASS CERAMICS GRAPHIC ARTS eiOCHEMISTBY tlECTROCHEAMSTRY »uas RRomiANts METAUURGV n o t A T I O N HIGH VACUUM »AfEN1 SEARCHES
ECONOMIC SURVEYS
MtERAIURt SEARCHES
BRANCH OFFICES
lABORATOeiES S MAIN OFFICE
BOX 1175 MADISON. WIS.
Compounc/i
Ο VER 450 TAILOR-MADE BORDEN MONOMERS FOR RESEARCH A l i y l Esters: V i n y l Esters: • Acetate • Aery I ate • AeryI ate • Chloroacetate • Benzoate • n-Decanoate • Formate • Laurate • Methacrylate • Methacrylate • Stéarate • Pelargonate • Trîflouroacetate · Phenylacetate Custom polymer preparations invited. Write for price catalog today! THE B O R D E N C O M P A N Y , C h e m i c a l D i v i s i o n 5 O 0 O L a n g d o n Street, P . O . Box 9 5 2 2 P h i l a d e l p h i a 2 4 , Pa.
MUCIC ACID
make Spectrogram
HOOC (CHOH)4 COOH
Interpretations ίη °
Insoluble — W h i t e crystalline p o w d e r Low ash ( . 0 5 % ) M e l t i n g point 2 1 5 ° C.
PHARMACEUTICAL INTERMEDIATE Write
for
details
READING 7«&v JJ~«to«e. INCORPORATED Manufacturing Chemists · Reading, Pa.
ANILINEPHOSPHATE o n e o f the many special chemicals we manufacture W r i t e for c o m p l e t e listings
CITY CHEMICAL CORP. 1 3 2 W . 28nd St.
N e w York 1 1 , Ν . Υ .
— a t t t r of minutes!
get the
/ Ί
iSADTLER/ midget edition / of standard spectra
You'll get answers in minutes to difficult organic problems by comparing your spectrogram with one or more spectrograms of the SADTLER MIDGET EDITION. Approx. 10,000 spectra printed three to a page on 814" χ 1 1 " sheets, indexed by ASTM on IBM cards. Standard edition also available. Write, wire or call. ! L O c u s t , S A D T L E R IESEARCH LABORATORIES 4 -- O 08 l^ O 3d 5D ^ ? 3 V > V I N I ST. P H I L * . 2 , P A .
SCHWARZKOPF MICROANAI.YTICAX
LABORATORY
Routine Analysis Within One
Week
ANALYSIS OF
BORO and FLU0RO COMPOUNDS BY NEW M E T H O D S , A L S O OTHER A N A L Y S E S
56-19 37th A v e . , Woodsidc 7 7 , Ν. Υ . TELEPHONE HAvemeyer 9-6248, 9-6223
102
C&EN
M A Y 6.
1957
T E C H N I C A L SERVICES LABORATORY SERVICES for t h e F O O D , F E E D , D R U G a n d C H E M I C A L INDUSTRIES A n a l y s e s , B i o l o g i c a l Evaluation, Toxicity S t u d i e s , I n s e c t i c i d e Testing and S c r e e n i n g , Flavor Evaluation. Project Research a n d Consultation W r i t e f o r Price S c h e d u l e I P. O . Box 2 2 1 7 · M o d i s o n 1 . W i t . I
LEBERCO LABORATORIES Industrial Toxicity Cosmetic Toxicity Pharmaceutical Toxicity Hormone Assays · Research Send for information
127 H A W T H O R N E
concerning
our services
T R U E S D A I L
RESEARCH
L A B O R A T O R I E S , INC.
&
DEVELOPMENT
LABORATORIES Toxicology, Engineer ing, Analyses, Market Re search. Over 100 specialists
Chemists · Bactiriolofists · Engineers R e q u e s t Brochure a n d P u b l i c a t i o n C H E M I S T R Y IN A C T I O N , on l e t t e r h e a d
S^ELL
FOSTER D . SNELL, I N C . 29W.15thSt.N.y.11,N.y
S p o n s o r e d In» Consultation — A n a l y s e s — Testing
Designing and Fabricating precision equip ment t o meet your special requirements for pilot plant, research, development and testing. Q . M . Instruments C o . , I n c . 115 Mulberry St. New York 13, Ν. Υ. Canal 6-6899
ST.. ROSELLE P A R K . N . J .
MASSSFCCTItMIETn ANALYSIS ACCURATE STABLE ISOTOPE ASSAYS ANALYTICAL CUSTOM LEAK DETECTION ANALYSIS SERVICE Consolidated Electrodynamics (
CLARK MICROANALYTICAL LABORATORY C H , N , S, Halogen, Fluorine, Oxygen. Allcoxyl, Allcimide, Acetyl, Terminal Methyl, etc., by special ists in organic microchemical analysis. H o w a r d S. Clark, Director P. O . Box 1 7 Urbane, Illinois
HARRY W. GALBRAITH, Ph.D. Quantitative
organic
P. 0 . Box 32
900 N . Sferro Mmdr· Villa, P o s o d . n o . Calif, •ATtONWIDE COMPANY-OWNEO SALES & SERVICE OFFICES
microanalyses Knoxville, Tenn.
EQUIPMENT M A R T
FILTE
NATIONAL LARGE
UNITS off solutions pHOtopH
Grow aerobes to strict anaerobes with accurately controlled gases and variable pressures. 1 >/2 Cubic Foot Capacity.
7 6 - 7 8 Willoughby St., Bklyn. 1 , Ν . Υ . · ULster 5-8940
TANKPMETER
FOR MEASURING TANK CONTI CONTENTS ISURING TANK ANY IY OISTANCE OISTANCE AWAY AWAY
ANY
ι LIQUID;
S T R U M E N T CO. CO. INSTRUMENT
* Ν J
A l l surface finishes a v a i l a b l e in most metals f o r corrosion testing t o m e e t Government Specifications. W r i t e for new catalogue sheet a n d revised discounts. ENGINEERING C O . Elizabeth 1 , N . J .
C.1VJ 1 S ' « M * stainless s t e e l , has w e l d e d standup base lor r i f t e n Λ Γ «**» H , , n 9 β η α * « " » n 9 W t . SO lb # IS.3U 6-1
S a « c « a b o v e , less base.
F*1
β * «18* stainless « e e l . ( 1 0 0 0 co. inches) W t 1 0 lbs
7 6 3 4 S. W . C a p i t o l H w y . , P o r t l a n d 1 9 , O r e .
0*2 1.A
o'*S4' m a g n e t * type. Stainless steel, W t . 6 lbs. 5 L 4'«8* Stainless steel. H' pipe opening one
SINCE 1918 · SERVING INDUSTRY · RESEARCH · MEDICINE
* * end. wV iMbs
NATIONAL APPLIANCE COMPANY
DISTILLATION
E-2
WRITE f o r BULLETIN 12
SCIENTIFIC DEVELOPMENT CO.
YOUR ANNOUNCEMENT of New Equipment for Sale a n d / or W a n t e d c a n c a r r y YOUR MESSAGE to the readers of the l e a d i n g publication in the chemical process industries. Rates on request. CHEMICAL & ENGINEERING N E W S Advertising O f f i c e 430 Park Avenue New York 2 2 , N . V.
COLLEGE,
STAINLESS Polls Buckets Measures
Funnels Dippers Scoops Beakers B o t c h Cans Stock Pots Shovels
PA.
BOX7 9 5
$18.50
..
Saut «J H - 2 but 4 * x S 4 * heavy carbon steel. H ' p i p t l h r e a d opening W t . 1 0 lbs
Packing sizes . 1 6 " χ . 1 6 " a n d . 2 4 " χ . 2 4 " A v a i l a b l e for i m m e d i a t e shipment T y - e 3 1 6 stainless steel
W t . 1 9 lb. .
$14.50 £ 8 25
$3.95
E X T R A H I G H PRESSURE, 3 0 0 0 PSI U.I 2*«v·»' H e a v y C a r b o n Steel, V p o r t . Equipped with stainless steel shut-of? valve and 0 - 3 0 0 0 PSI pressure C C Cfl sausc. W t . 8 lbs > 0.3U irbon steel, H * p i p e thread p o r t r J1C H-2
Extensive d a t a on atmospheric and vacuum operation.
STATE
0.2
H I G H PRESSURE T A N K S , 5 0 0 PSI (H' pipe threads each end)
Write for Free Catalogue M O D E L 3640
GAS
CORROSION TEST PANELS
FERGUSON 3 3 4 Livingston S t
' H-2
priced a t for less then reproduction cost! Ideal for chemicals, 9**es, pneumatic use, hydraulics end liquids.
PROTRUDED PACKING 4 8 3 G E T T Y A V E N U E . PATER S O N ,
H-1
-perfect
$550.
Self-priming · Automatic Backwash Reversol Switch
Sethco M f g . Co. £
CO.*S
ANAEROBIC INCUBATOR
from 14
for every electro plot· inq e n d industrial so lution . . . removes porticles down to one micron i n size. •
APPLIANCE
CAPACITY
testes W i 15 lbs closeo.it pr 3-/3
METER
Portable, self encased, highly accurate flow meter—measures the 'ate o f Bow of air. or any other gas, from one tank or vessel to another. — or into atmosphere. Precision made b y Bendi*, this sensitive instrument is equipped with a 9au9e w h i c h measures 'ate of flow in cu ft per hr. (range from 4 to 3 5 0 cu ft per hr ) Convenient cha'i for enact calculations is mounted inside lid of sturdy carrying case A n Ideal laboratory instrument for measuring rate of flow through various onhees, valves, or f o r calibrating or Regularly sells for $ 2 4 5 . O u r special C JQ Cfl }4«.9U
Send Puichese Order. Terms: 2% 10 days, 30 days net. A . C. TANK CO., D e p t . 190, P.O. B o x 3 8 9 BURLINGTON, WIS. Phone 1289
STEEL and MONEL
UTENSILS^
ORDER DIRECT — Prompt Shipment Highest q u a l i t y , durable, well-designed corrosion-resistant utensils for l a b a n d p l a n t . Buy w i t h c o m p l e t e assurance. Over 30 years* serving process industries. Buy— try—compare " M e t a l s m i t h s " for value. WRITE FOR LATEST CATALOG-PRICE LIST
•W^^
5 6 7 W h i t e St.
Orange, N . J .
MAY 6. 1957 C & E N 1 0 3
