TABULÆ ATOMICÆ

The Chemical Tables for the Calculation of Quantitative Analyses of H. Rose, Recalculated for the More Recent Determinations of Atomic Weights, and With Other Alterations and AdditionsThe atomic weights of several bodies have recently been deter mined by Pelouze, by the amount of a standard solution of nitrate of silver required for the complete precipitation of their chlorides. The number given for arsenic was thus obtained