Document 5DLmKeRL0OYwz4EjR32b7w0gJ

CONFIDENTIAL Approved. MELLON INSTITUTE OF INDUST department of research IN CHE f Date -MAP. 2 6 1953 Fellow. Project Mr. J. 7. Morgan X-Ray Analyslsi Johns-Manville Project No._ Date of Report- 259-15X March 26, 1953 NATURE OF REPORT Preliminary. Progress____ Final_________ PLAINTIFF'S EXHIBIT 8aaple Fill go. 2, P-apfo. 1HF-414 Tbs crystallinity as sstlaatad from, the intensity of the 11m* on the x-ray diagram Is about 5#. Tbs major crystalline component la KC1 vlth possibly a small amount of EaCl and soas unldsnttflsd material. .. 8aapla ar-C-3S36c (gross)!_?-g079. This sample Is approximately lOOJt crystallise. Tbs cxyrtalline portion of tbs sample Is made up of 3 parts CaCO* to about 1 part Ca silicate. The exact chemical formula for the silicate could not be determined. The best agreement vlth tbs data urns siren by 3CaO*28i<fe and TOCeO'BlOfc. Saaple ipr-reidsymr \10m.. P-SOflO. - The diffraction dlnsraa of this sample agrsss exactly vlth tha data given in the Eanavalt card file for mlcrocllne feldspar (card 1-070$). C ertify This Copy To Be A True and Exael Copy o f the O riainal H o u se In die Douglas T. Pitman . Leroy B. Alexander* Ti 3-26-53 ... (j RESEARCH ASSOCMU <?. dA^^A, IOR PELLOT T* Humber copies mad......... i:. Adire8..d ,0 j. &. *-* ^ _2 . d$u) " . nn 1 a a \