Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIV. No. 7. — January, 1909. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY 

 OF HARVARD COLLEGE. 



A REVISION OF THE ATOMIC WEIGHT OF ARSENIC. 



PRELIMINARY PAPER. — THE ANALYSIS OF SILVER 



ARSENATE. 



By Gregory Paul Baxter and Fletcher Barker Coffin. 



