FUTURE ARTICLES Spectrophotometry Determination for Glycine with 2,4,6-TrichIoro-s-triazine S. Suzuki, Y. Hachimori, and U. Yaeda Reaction of Nitrogen with Griess-Type Reagents C. Huygen Solvent Extraction and Gas Chromatography of Rare Earth Mixed-Ligand Complexes of Hexafluoroacetylacetone and Tri-n-butylphosphate W. C. Butts and C. V. Banks Kinetics of Ligand Exchange Reaction of Ethylenediaminetetraacetate Ion with Ethylenediaminetetraacëtatonickel(ll) J. D. Carr and C. N. Reilley Specular Reflectance in Thin-Layer Electrochemistry P. T. Kissinger and C. N. Rei/fey Complete Gas Chromatographic Analysis of Homo- and Copolymers of Polyamide Resins S. Mori and M, Furusawa 5-Dimethylaminonaphthalene-l-Sulfonic Acid (DANS Acid) as a Standard for Quantum Yield of Fluorescence C. M. Himel and R.'T. Mayer Second Harmonic Alternating Current Polarography: Experimental Observations with System Involving Very Rapid Chemical Reaction Following Charge Transfer T. G. McCord and D. E. Smith
l r o n ( l l l ) - ( l l ) Couple In Acetonitrile. cyanate by iron (111) B. Kratoctivil and R. Long Quinhydrone Electrode Drift G. Dahlgren and M. J. Goodfriend, Jr.
Determination of Aluminum by Potentiometric Titration with Fluoride E. W. Baumann Trace Determination of Uranium in Biological Material by Fission Trace Counting B. S. Carpenter and C. H. Cheek Determination of Carbonyl Compounds by 2-Diphenylacetyl-l,3-indandione-l-hydrazone D. J. Pietrzyk and E. P. Chan Features of Modified Covell Method for Computation of Total Absorption Peak Areas in Complex Gamma-Ray Spectra S. Sterlinski Neutron Activation Analysis of Thorium in Rocks and Ores by Multiple γ-Ray Peak Ratio Determination M. Mantel, P. Sung-Tung, and S. Amiei Determination of Carbon in Thin Films on Steel Surfaces W. R. Lee and L. L. Lewis Objective Method of Data Reduction for Particle-Size Analysis by Cumulative Sedimentation Method G. S. Smith and G. V. Downing, Jr. Use of Chromatographic Extraction for Double-Base Propellant Analysis G. K. Landram, A. A. Wickham, and R. J. DuBois
ΙΟ-TEMP BATH HEATS, COOLS S 4G2.
If you specify materials-CMC is specifically for yoo All the facts you need to help speed your CPI process planning are in CHEMICAL MATE RIALS CATALOG. 3-way index guides you directly to over 100 suppliers' catalogs describing more than 8,000 chemicals and raw materials with cross-reference for 1,300 brand names, trade names and trademarks. In the privacy of your office or group meeting, you can collect your facts —select your products—choose your suppliers. And all from this one-volume library organized by process men specifically for process men.
Double the range of the average v : sibility bath! Waco's Lo-Temp Bath maintains temperature at any level from —10°C to + 6 5 e C , ±.01°C . . . ideal where precise tem perature control is required. Plenty of testing room, too. Coils fit snugly against the bottom. Use the entire volume of the jar. Self-contained unit is only 2OV2" wide, 271/2" high. No. 882 Waco Lo-Temp Refrigerated Bath, complete with Pyrex jar 12" diam., for 115V, 50/60 cycle AC. $462. Write for WACO Bath Bulletin for complete information
REINHOLD PUBLISHING CORP. SUBSIDIARY OF LITTON PUBLICATIONS, INC. Division of Litton Industries
CMCm
Laboratory Supplies and Equipment.
wilkens-anderson co. 4525 W. Division St., Chicago, III. 60651 Circle No. 77 on Readers' Service Card
128 A
·
ANALYTICAL CHEMISTRY, VOL. 4 1 , NO.
Oxidation of Thio-
600 SUMMER STREET, STAMFORD, CONN. 06904 Circle No. 15 on Readers' Service Card 14, DECEMBER
1969
