Partial Page Advertisements
2
£22^ MICALSE ANTHRANILIC ACBD Assay 9 9 % min. Moisture 0 . 5 % m a x . Meiting Point 145°C min. MAUMEE CHEMICAL COMPANY 2 Oak Street Toledo 5, Ohio Μ Ν DRUGS AND PHARMACEUTICALS . . . prevents metallic ion contam- ination in organic compounds . . . stays stable at high temperatures Long-term toxicity studies, made in accordance with Food & Drug Ad- ministration recommendations, show that Versene is safe for use in drugs in the small quantities required. At present Versene is being used in many drug and pharmaceutical prepara- tions. It improves shelf-life, storage properties and appearance of many drug or pharmaceutical products sen- sitive to metallic ion contamination. It inhibits metal-catalyzed decomposi- tion of vitamins and helps stabilize labile organic compounds such as cer- tain organoiodides. Usually used as an additive in the form of Calcium Di-Sodium Versenate C.P., or Di- Sodium Versenate, Analytical Reagent Grade. Write Dept. A for Technical Bulletin No. 2. Chemical Counsel available on request. *Trade Mark Registered VÊRSEXES IKIIRPORÎTED PHENYLFLUORONE Germanium Reagent Dihydroxyfumaric Acid Fluorethanol Glycine Amide JASONOLS CHEMICAL CORP. 825 East 42nd Street Brooklyn 10, N. Y. Manganese Oxide, sesqui one of the many special chemicals we manufacture Write for complete listings CITY CHEMICAL CORP. 132 W. 22nd St. New York 11, N. SALTS^AC IDS-OXIDES MOLYBDENUM .JUNGSTEN.URANIUM.VANADIUM Ammonium Meta Vanadate, C.P. Vanadium Pentoxîde, C.P. Sodium Meta Vanadate, C.P. Sodium Vanadate (pyro) C.P. Potassium Meta Vanadate, C.P. Vanadyl Sulphate, Pure THES.UJ.8HRTTUCH CHEfiUCHLCOfTlPflnY 1805 SO. BANNOCK · DENVER 19, COLO- MANUFACTURERS OF QUALITY CHEMICALS Since 197 8 RARE MONOMERS Vinyl Esters, Acryly! and Methacrylyl Chlorides, Ethylenimines, Allyl Esters, Vinyl Halides, 4-Chlo- rostyrene, 2,3-Dimethylbutadiene. 3O0 other mon- omers. Write for list A-5. /.**ΤΦΓ^Λ; I NCORPORATED · I EOM I NSTER . MASS . ETHYLENE IMINE (boiling range 55° to 57° C) and TRIETHYLENE MELAMINE Now available in Pilot Quantifies CHEMIRAD CORPORATION Laurel, Maryland YOUR ANNOUNCEMENT of Chemicals For Sale and/or Wanted c a n carry YOUR MESSAGE to the readers of the leading publication in the chemical process indus- tries. Rates on request. CHEMICAL· & ENGINEERING NEWS Advertising Office: 4 3 0 Park Ave. New York 22, Ν. Υ. GET THIS HANDY CATALOG GBI research products—in convenient small packages, economically priced —are offered as a special service to investigators. They will save you time, trouble and expense if you are engaged in research in the following fields— BIOLOGICAL MICROBIOLOGICAL BACTERIOLOGICAL BIOCHEMICAL NUTRITIONAL Write for this useful reference book listing hundreds of items for research •••lu** General Biochemicals # IiiG. 76 LABORATORY PARK CHAGRIN FALLS. OHIO WRITE FOR FREE CATALOG Now Available PURINE 6-CHLOROPURINE HYPOXANTHINE Please write for specifications. FRANCIS EARLE LABS., INC. 1057 Lower South St. Peekskill, Ν. Υ. "** -Process/Moîntenancé^uxîliary Equipment, Instruments, and Facilities ^ t—« m_ MT ana * Laboratory ^in^thè^Chemîcar and Process industries for Plant 4. X*- "ÊJsn*. STAINLESS STEEL and M0NEL UTENSILS Durable, well - designed corrosion - resistant uten- sils. Also beakers, batch cans, stock pots, shovels. 30 years serving process industries. Prompt ship- ment. Write for latest Catalog—Price List Div. of Orange Roller Bearing Co., Inc. 567 White St., Orange, N. J. METALSMITHS Τ^ΙΓίΚΈΗΠΙΜΒίΐΙίΙίΐΐΊΓΗΠΜΐΙΓ/ΜίΐΙΗ: a Offers : Volumetric or Timed Operation ... Fully Automatic ... Collects up to 400 Samples . ..Four Chromatography Columns Operating Simultaneously . . . Completely Dependable Performance. STANDARD EQUIPMENT: Stand with four Stainless Steel Support Posts. Heavy Duty Worm Gear Reduc- tion Motor with Indexing Mechanism. Two Receiver Pl2tes· one holding 400 13 mm tubes, the other 1O0 25 mm tubes. Three I Volumetric Assemblies (3 ml., 5 ml., and 10 ml.). Timer/Controller. PRICE: Complete $525.00. RESEARCH EQUIPMENT Corporation -t 1135 THIRD STREET I OAKLAND, CALIF0R REC0 Fraction Collector set up for collection on a time-flow basis with four chro- matographic col- umns operating simultaneously. VOLUME 3 2, NO. 45 NOVEMBER 8, I 9 5 4 4523
Transcript of Partial Page Advertisements
£ 2 2 ^ MICALSE ANTHRANILIC ACBD
Assay 9 9 % min. Moisture 0 . 5 % m a x .
M e i t i n g Point 1 4 5 ° C min.
M A U M E E C H E M I C A L C O M P A N Y 2 Oak Street Toledo 5, Ohio
Μ Ν DRUGS A N D P H A R M A C E U T I C A L S
. . . p reven ts meta l l ic ion c o n t a m inat ion in organic compounds
. . . s t a y s s tab le a t high t e m p e r a t u r e s
Long-term toxicity studies, made in accordance with Food & Drug Administration recommendations, show that Versene is safe for use in drugs in the small quantities required. At present Versene is being used in many drug and pharmaceutical preparations. It improves shelf-life, storage properties and appearance of many drug or pharmaceutical products sensitive to metallic ion contamination. It inhibits metal-catalyzed decomposition of vitamins and helps stabilize labile organic compounds such as certain organoiodides. Usually used as an additive in the form of Calcium Di-Sodium Versenate C.P., or Di-Sodium Versenate, Analytical Reagent Grade. Write Dept. A for Technical Bulletin No. 2. Chemical Counsel available on request.
*Trade Mark Registered
VÊRSEXES IKIIRPORÎTED
P H E N Y L F L U O R O N E G e r m a n i u m Reagent
D i h y d r o x y f u m a r i c A c i d F luore thano l G lyc ine A m i d e
JASONOLS CHEMICAL CORP. 825 East 42nd Street Brooklyn 1 0 , N . Y.
Manganese Oxide, sesqui one of the many special
chemicals we manufacture
Write for complete listings
CITY CHEMICAL CORP. 132 W . 22nd St. New York 1 1 , N .
S A L T S ^ A C I D S - O X I D E S
MOLYBDENUM .JUNGSTEN.URANIUM.VANADIUM
Ammonium Meta V a n a d a t e , C.P.
Vanad ium Pentoxîde, C.P.
Sodium Meta Vanadate, C.P.
Sodium Vanadate (pyro) C.P.
Potassium Meta Vanadate , C.P.
V a n a d y l Sulphate, Pure
THES.UJ.8HRTTUCH CHEfiUCHLCOfTlPflnY 1805 SO. BANNOCK · DENVER 19, COLO-MANUFACTURERS OF QUALITY CHEMICALS
Since 197 8
RARE MONOMERS Vinyl Esters, Acryly! and Methacrylyl Chlorides, Ethylenimines, Allyl Esters, Vinyl Halides, 4-Chlo-rostyrene, 2,3-Dimethylbutadiene. 3O0 other monomers. Write for list A-5. /.**ΤΦΓ^Λ; INCORPORATED · IEOMINSTER. MASS.
ETHYLENE I M I N E (boiling range 55° to 57° C)
and TRIETHYLENE MELAMINE
Now available in Pilot Quantifies C H E M I R A D CORPORATION
Laurel , Mary land
YOUR ANNOUNCEMENT of Chemicals For Sale and/or Wanted c a n carry YOUR MESSAGE to the readers of the leading publication in the chemical process industries. Rates on request.
CHEMICAL· & ENGINEERING NEWS
Advertising Office: 430 Park Ave. N e w York 22, Ν . Υ.
GET THIS HANDY
CATALOG GBI research products—in convenient small packages, economically priced — a r e of fered as a special service to investigators. They will save you time, trouble and expense if you a re e n g a g e d in research in the following fields—
BIOLOGICAL MICROBIOLOGICAL BACTERIOLOGICAL
BIOCHEMICAL NUTRITIONAL
W r i t e f o r this useful reference book listing hundreds of items for research
•••lu** General Biochemicals#IiiG. 76 LABORATORY PARK CHAGRIN FALLS. OHIO
WRITE FOR FREE CATALOG
Now Available
PURINE 6-CHLOROPURINE HYPOXANTHINE
Please write for specifications.
FRANCIS EARLE LABS., INC. 1 0 5 7 Lower South St. Peekskill, Ν . Υ .
"** -Process/Moîntenancé^uxîliary Equipment, Instruments, and Facilities ^ t—« m_MT ana* Laboratory ̂ in^thè^Chemîcar and Process industries for Plant 4.
X*- "ÊJsn*.
STAINLESS STEEL and M0NEL UTENSILS
Durable, well - designed corrosion - resistant utensils. Also beakers, batch cans, stock pots, shovels. 30 years serving process industries. Prompt shipment.
Write for latest Catalog—Price List
Div. of O r a n g e Roller Bearing Co. , Inc.
5 6 7 W h i t e St., O r a n g e , N . J.
METALSMITHS
Τ^ΙΓίΚΈΗΠΙΜΒίΐΙίΙίΐΐΊΓΗΠΜΐΙΓ/ΜίΐΙΗ: a Offers :
Volumetric or Timed Operation . . . Fully Automatic . . . Collects up to 400 Samples . . .Four Chromatography Columns Operating Simultaneously . . . Completely Dependable Performance. STANDARD EQUIPMENT: Stand with four Stainless Steel Support Posts. Heavy Duty Worm Gear Reduction Motor with Indexing Mechanism. Two Receiver
Pl2tes· one holding 400 13 mm tubes, the other 1O0 25 mm tubes. Three
IVolumetric Assemblies (3 ml., 5 ml.,
and 10 ml.). Timer/Controller. PRICE: Complete $525.00.
RESEARCH EQUIPMENT Corporation -t 1135 THIRD STREET
I OAKLAND, CALIF0R
REC0 Fraction Collector set up for collection on a time-flow basis with four chromatographic columns operating simultaneously.
V O L U M E 3 2, N O . 4 5 N O V E M B E R 8, I 9 5 4 4 5 2 3
SUPER HIGH PURITY WAIER
by the froub/e-free magic of ion exchange
TANK°METER f O * MEASURING TANK
CONTENTS ANY DISTANCE AWAT
STRUMENT C O . ' I'SSSl INSTRUMENT CO. 483GETTY AVENUE · PATERSON, N.J.
Penfield Mono-Col umn Demineral izer Model M - 1 0 0 . Pu-rity o f effluent: less than 2 ppm. Flow rote: 6 0 - 9 0 g p h . Dimensions: 1 V i ' χ 2 ' χ 7 ' .
\...perfect H-2 0 - 2
Penfield Dual -Col* umn Demineral izer Mode l UL-60. Purity of effluent: 5 to 1 0 ppm. R o w rate: 7 5 - 1 0 0 g p h . Dimensions:' 2 ' χ 2 ' χ 4ΐ/2'.
Available in any desired flow rate from 10 to 10,000 gph and with either fully automatic or manual controls, all Penfield Demineralizers are shipped ready-to-operate. Simply connect completely "packaged" unit to service lines and start receiving super high purity water! No "boil-outs"! N o "still odors"! No heat or steam power! N o extras! Send for descriptive catalog. Write today.
PENFIELD M F G . C O . , INC. 19 High School Ave., Meriden, Conn.
PENFIELD "PLANNED PURITY" PAYS U
priced at far less than reproduction cost/ Ideal for chemicals, geses, pneumatic use,
hydraulics *nd liquids. H IGH PRESSURE TANKS, 500 PSI ( K " P'P« threads each end)
B.IUf 12\24-* stainless steel, has welded star.dup base for f i n en I™ eiiyfillins and draining. Wt. 20 lb Î J H ' X
6-1 Same as above, less base. Wu 19 lb $16.50 0-2 6'x24'Stainless steel, Wt. 6 lbs $ 8 . 2 5
A-A 5K'*8" Stainless steel, X' pipe openina one. t 0 0C * end. W t . l H l b s > 0.33
EXTRA HIGH PRESSURE, 3000 PSI U„1 2'x9}^' Heavy Carbon Steel, H' port. Equipped with " * stainless steel shut-off valve and 0-30OO PSI pressure t C en
gauge. Wt. 8 lbs * 3·3« U.J 3U'x19" Heavy carbon steel, Η ' Ρ·Ρ« thread port. t 1 7R
Ε ο Same as H-2 but 4'x24' heavy carbon steel, H* C R 7R ~L pipe thread openins. Wt. 10 lbs # 3.IU Send Purchase Order. Terms: 2 % 10 days, 30 days net A · C. T A N K C O . , D e p t . 6 0 , P . O . B o x 3 8 9
B U R L I N G T O N , W I S . Phono 1 2 8 9
YOUR ANNOUNCEMENT of Equipment For Sa le a n d / o r Wanted c a n carry YOUR MESSAGE to the readers of the l e a d i n g publication in the chemica l process industries. Rates o n request.
C H E M I C A L & E N G I N E E R I N G N E W S
Adver t is ing O f f i c e : 4 3 0 Park A v e . N e w Y o r k 2 2 , N . V.
TECHNICAL SERVICES Consu l tan ts , E n g i n e e r i n g Services, Test ing L a b o r a t o r i e s , P a t e n t A t t o r n e y s ,
O t h e r Pro fess iona l Serv ices, a n d Indust r ia l Faci l i t ies
CLARK MICROANALYTICAL LABORATORY
Routine analyses in one week C H , N , S, H a l o g e n , Fluorine, Oxygen, AllcoxyJ, A l k i m i d e , A c e t y l , Terminal r V ' t h y l , etc. Identifications and minor research problems by specialists in organic microchemical am /sis.
H o w a r d S. Cla' «c, Director P. O . Box 1 7 Urbane. ...mois
OXYGEN IN METALS b y B r o m i n a t i o n P r o c e d u r e
Ledoux & Company Metallurgical Chemists — Spectroscopists
3 5 9 A l f r e d A v e n u e , T e a n e c k , N e w J e r s e y
S C H W A R Z K O P F M I C R O A N A L Y T I C A L L A B O R A T O R Y
Routine Analysis Within One Week Microdctcrminat ion of Carbon-hydrogen, O x y g e n , N i t rogen , Halogens, Sulfur, Phosphorus, A l k o x y l , A c e t y l , A m i n o , Molecu lar We igh t and Other Analyses.
5 6 - 1 9 37th A v e . , W o o d s i d e 7 7 , L. Ι . , Ν . Υ . Te lephone: H A v e m e y e r 9 - 6 2 4 8
ma^|$Wall% Harrissoit jChemis fcyppf^ ' -D i» : Ν, 1921 Walnut St,- PtiiMtlphia 3;PaX-;s|
Charter Member ACIL
MASS SPECTROMETER ANALYTICAL I Complex Mixtures
LABORATORY | Isotope Assays SERVICE I Leak Detection
Consolidated Engineering C O R P O R A T I O N
3O0 NO. SIERRA MADRE VILLA, PASADENA 15. CALIF.
VISCOMETERS A l l A . S . T . M . sizes and many special sizes in stock.
I . Cannon-Fenske Type II . Ubbelobde Type III. Opaque Type IV. Cannon-Ubbe lohde Type V. Semi-Micro Type
(1.0 ml charge required) A l l calibrations d o u b l e checked.
O u r 17 th year o f service. W r i t e for bul let in 1 5
CANNON INSTRUMENT COMPANY Box 312 STATE COLLEGE, PA.
CRUSH WAX or RESINS H a r d or Sof t M a t e r i a l s . T a k e s 1 6 " ; De l ivers t o Vi". F r e e Test .
F R A N K L I N P. M I L L E R & S O N , I N C . 3 6 M e a d o w St. , East O r a n g e 1 0 , N . J .
SUPREME CRUSHERS
Ο Project Research, Chemistry and Geo logy .
Φ Microanalysis and Radioact ive Assay. • Conventional and Spectroscopic
Analyses. Φ Formulation and Consultation. Φ Thin Section and Pétrographie Studies.
M A N U - M I N E RESEARCH & DEVELOPMENT CO.
R E A D I N G , P E N N A .
Ill Telephone: Read ing 6 - 4 9 2 6
EVANS ι RESEARCH AND DEVELOPMENT CORP. C h e m i c a l Research • Product D e v e l o p m e n t
Comple te L a b o r a t o r y • P i l o t P l a n t E x p e r t Sensory P a n e l
Ask for NEW Scope Sheet Ε listing over 100 of our Activities 250 East 43rd Street, New York 17, Ν. Υ.
F O O D R E S E A R C H L A B O R A T O R I E S , I N C .
Foonded 1922 Philip B. Hawk, Ph.D., Preti<S«nt Bernard L> Oser, Ph.D., Director
Research · Analyses • Consultation jgical , Nutritional, Toxicologicai Studies
for the Food, Drug and Allied Industrie» 4 8 - 1 4 3 3 r d S t r e e t , Long Is land City 1 , N .Y .
—WELLS LABORATORIES, I N C — 2 8 Concourse East, Journal Square
Jersey Ci ty 6 , N e w Jersey TelPnhonefl N e w Y o r k — D I g b y 9-0127 leiepnones N e w Jersey—JOurna l Square 2-1907
CONSULTANTS · RESEARCH · TESTING MicROBioLOGicAi.: Industrie!, F o o d , M e d i c a l , Publ ic H e a l t h . Biological deterioration investigations a n d preservation specialists. BIOCHEMISTRY, ANALYTICAL AND ORGANIC CHEMISTRY. Toxicity, pathology, physiology. H u m a n and animal testing facilities. Operate Tea t Beau ty Shop.
