SADTLER
PHOENIX PRECISION INSTRUMENT COMPANY
IR COMMERCIAL SPECTRA
MEASURE MOLECULAR WEIGHT AND PARTICLE SIZE NEW BRICE-PHOENIX UNIVERSAL LIGHT SCATTERING PHOTOMETER
identify 7 , 0 0 0 trade products
MODEL 2000 Measures:
1. Absolute Turbidity 2. Dissymmetry 3. Depolarization
Get fast, positive identification of an unknown by comparing its IR spectrum to a Sadtler Commercial
This instrument is listed in U.S. Government specifi cations for the evaluation of certain clinical materials.
Spectrum. A special SPEC-FINDER lists all spectra
BOOTH
5 5 , EASTERN ANALYTICAL
by its strongest b a n d . . . gives you the correct Sadtler
SMPOSIUM
P H O E N I X PRECISION INSTRUMENT C O M P A N Y
Spectrum serial number in minutes! Up-to-date
3805 N. 5th St. Philadelphia 4 0 , Pa.
Spectra now available for following groups of com
Circle No. 171 on Readers' Service Card
mercial compounds : GROUP
άΐΓίβζονίΔΡΙΕΖΟΜ®
QUANTITY
Agricultural Chemicals
65
Fibers Perfumes and Flavors Pigments, Dyes, and Stains Plasticizers
51 350 1130 500
Polymers Polyols Rosins Rubbers
1000 54 80 100
Soaps, Fatty Oils Solvents Surface Active Agents Textile Chemicals Waxes Petroleum Chemicals Intermediates Pharmaceuticals
64 700 1200 80 100 200 700 700
APIEZON
The Finest Oils, Waxes and Greases for High Vacuum Work P r e f e r r e d by l e a d i n g scientists for high vacuum equipment a n d systems where low pressure proc ess Is used at one or more stages. • Vacuum c o a t i n g units and vacuum furnaces for degassing of metals • M e t a l l u r g i c a l vacuum distillation of light metals j • Lyophilic drying of peni cillin, vitamins and other substances • Preparation of vitamin concentrates
Write today for free brochure including sample spectra.
• Dehydrated food NAME
• Blood serum drying
ADDRESS
.
CITY
1517
ZON Ε
VINE
STREET,
STATE
B O R A T O R I K S , INC. PHILADELPHIA 2, PENNSYLVANIA
Agents in principal countries of the world.
• The electron microscope
Γ
As exclusive distributor in the United States, we offer immediate delivery from stock on the complete range of Apiezon oils and compounds. For details on applications, working characteristics and list prices, write for Bulletin 43-AC.
*from
the Greek meaning
"without
pressure"
B S I S >•
J A M E S G. B I D D L E C O . Electrical
Testing and Speed
Measur
PLYMOUTH MEETING, PENNSYLVANIA · Area Co
Circle No. 92 on Readers' Service Card 74 A
·
ANALYTICAL CHEMISTRY
Circle No. 29 on Readers' Service Card