36 A
ANALYTICAL
CHEMISTRY
We will hup
The Golay
Numbers 1 and 2 of ANALYTICAL CHEMISTRY, Volume 20 (1948) and will pay fifty cents per copy for all received in condition to return to stock. This offer expires June 1, 1949.
INFRA-RED DETECTOR Is a superior detector for use in infra-red spectroscopy. It has been acclaimed as presenting the best all around characteristics of sensitivity, speed, reliability and spectral uniformity of response. These detectors can be manufactured to fit most of the infra-red spectrometers in use today, and we solicit inquiries regarding such applications. T h e Golay Infra-Red Detector is manufactured by T h e Eppley Laboratory, Inc., under the personal supervision of Dr. Marcel J. E. Golay.
Write for Bulletin
Please send journals to: American Chemical Society, 1155 Sixteenth St., N. W., Washington 6, D. C , Attn. G. G. Taylor.
No. 10c.
Be sure that your name and address appear on the package.
EPLAB THE EPPLEY LABORATORY, INC. Sdetttt^ic *?ttaùiec*tte«tt& NEWPORT · RHODE ISLAND · U. S. A.
A separate notice of shipment is highly desirable.
Sodium Peroxide
COMBUSTION BOMBS
22 ml
4 Î ml
For Determining: ARSENIC BORON BROMINE CHLORINE FLUORINE IODINE PHOSPHORUS SULFUR
22 ml
8 ml
2.5 ml
By:
In: COAL COKE ORGANIC COMPOUNDS PETROLEUM and PETROLEUM PRODUCTS RUBBER and other difficultly soluble ORGANIC MATERIALS
MACRO SEMI-MICRO and MICRO METHODS Ask your PARR dealer for information, parts lists and prices for any of these bombs and for the PARR C A L O R I METRIC CHEMICALS prepared especially for this application — or write direct to the factory.
PARR INSTRUMENT CO. — MOLINE, ILLINOIS
