DEPARTMENT OE AGRICULTURE, 



NEW SOUTH WALES. 



SCIENCE BULLETIN, 



Nrj 4 ^ September, 1911. 



rv 



A Modification of 



Marsh's Apparatus for the 



Detection of Arsenic. 



By 



LIONEL COHEN, 



Chemist's Branch. 



Workers in the respective branches of Economic Science covered 



by this series of Science Bulletins will receive such of them as may 



be of use in their special branches of study upon application to the 



Under Secretary, Department of Agriculture, Sydney. 



T 2929 SYDNEY: WILLIAM APPLEGATE GULLICK, GOVERNMENT PRINTER. 1911. 



