TY - BOOK AU - Welcher,F.J. TI - Organic analytical reagents PY - 1947///-1948 CY - New York PB - D. van Nostrand KW - Chemical tests and reagents KW - Chemistry, Analytic KW - Chemistry, Organic KW - Organic compounds N1 - Includes index; "This is an authorized facsimile and was produced by microfilm-xerography in 1971 by University Microfilms, a Xerox Company, Ann Arbor, Michigan, U.S.A." ER -