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imrap --iX) 3me? z* -ffussell Barbre Cj ^'?1 1/53) R. H. Munch Reported By: 0. E. Kinast PROGRESS REPORT ORGANIC CHEMICALS DIVISION St. Louis Research Department Job No. 117-2602 Report No. ( ) Date; Dec. 31, 1953 Information contained heroin is C0NFA OENTIAL and is the property of Monsanto Chemical Company At St. Louis At St. L ouis AKWGK Plant -35- H. L. Hubbard 25>9G.R. Russe] "36- R. L. Jenkins 1 Library la Library 2 D.M. Campbell 3 H.W. Faust 13 R.O. Nellums 14 O.J. Weinkauff 15 J.R. Wilson 16 F.B. Zienty 30 Development At J.F.Q. Plant 3738- j-11 = ................... 4 L.L. Fellinqer 17 0. DeGarmo 3 1- 41_ TECHNICAL SERVICES 5 H.R. Gamrath 6 R.M. Hitchens 7 C.A. Hochwalt 18 J F O Development 19 J.R. Durland 20 R. M. Morris At N itro 32--W.P. Metzner 46-NEMICAL ENGINEERING DEPT. 43- ' 8 R.E. Howard 9 D. S. Weddell 10 R.H. Munch 1 1 F.M. Murdock 21 J. H. Lum 22 P ,G. Marsh 2d J. L. Hammer 24 B.E. Thomas At Dayton 33 L. Lederman 34 N.N.T. Samaras CEtri; i - C'. ArTR _ ALGO 47- 48- - - MONTHS. .. _____ . 12 H.K. Nason 49- T'tle:AR0CHL0R PROCESS INVESTIGATION ProbiTftfrared comparison of Anniston and WGK Arochlor 1250. Summ^ochlor 2.260 is being produced at both the WGK plant and at Anniston. The products from the two plants are being compared to determine how closely identical they are. As part of the comparison the infrared spectra of eight samples of the WGK product and six from Anniston were recorded. Of the fourteen spectra obtained no two are identical, but they are very similar. Hie Anniston samples show a greater variability. Tabulated below are the ranges of variation of optical density at certain wavelengths. The wavelengths were chosen because the WGK samples showed their greatest variation at 9.74 and 13.54 microns and the Anniston samples were most variable at 13.28 microns. Wavelength WGK range WGK variation Anniston range Anniston variation 9.74 0.278-0.300 0.022 0.257-0.281 0.024 13.54 0.262-0.280 0.018 0.287-0.304 0.017 13.28 microns 0.141-0.150 0.009 0.146-0.185 0.039 DSW 248344 STLCOPCB4054055 Job No. 117-2602 (6) Page 2 Certain differences appear to be typical of each group. The 13.07 micron band is less Intense in the Anniston group. The WGK spectra show a doublet of about equal Intensity at 13-48 and 13-55 microns, but the Anniston group shows greater absorption at 13-53 than at 13.48 microns. 1 jm 1/4/54 Oswald E. Kinast DSW 248345 STLCOPCB4054056