000 00674nam a2200157 a 4500
005 20220228110618.0
035 _aF8901000708437
084 _aPCA BUL 51 1954
100 _aFord, C. L.
245 _aDetermination of sodium and potassium oxides in portland ce-ment raw materials and mixtures, and similar silicates by -flame photometry / by C. L. Ford.
260 _aChicago : atories
300 _a16 p.
440 _aBulletin 51 / Portland Cement Association
500 _a"Authorized reprint from Analytical Chemistry vol. 46 p. 15-78 October, 1954".
690 _aOxido de potasio - Determinación - Cemento portland.Oxido de sodio - Determinación - Cemento portland.
999 _c58575
_d58575