01008nam a2200193 4500001000700000090001100007100004100018101000800059200006400067210004800131215002200179300023300201330012100434606002200555606001900577710008800596955001100684995011900695382877 a382877 a20050729d1955 y0pory50 ba aeng aReagent chemicalseAmerican Chemical Society specifications aWashingtoncAmerican Chemical Societyd1955 axv, 428 p.d25 cm a"Prepared by the 1955 Committee on Analytical Reagents, Edward Wichers, chairman. Officially approved by the Council of the American Chemical Society, April 3, 1955. Edited and produced by staff members of analytical chemistry." aForeword. Preface, edition of 1950. Preface, edition of 1955. Definitions, procedures and standards. Specifications. aQUÍMICA9349496 aENSAIO9101745 aESTADOS UNIDOSbAmerican Chemical Society. Committee on Analytical Reagents9334103 xCompra 104PJ_18_000000000000000_B_2052022-06-066PJ262509412192aPJcPJfPJ126250kPJ18.B.20n2022-06-06o0rMOxCompra